.........T [ZBX-16896] added interface speed metric to linux by agent templates and fixed interfaces tags

4 files changed, 270 insertions, 148 deletions

diff --git a/templates/os/linux/README.md b/templates/os/linux/README.md
index f136faf34f1..52e0f65a578 100644
--- a/templates/os/linux/README.md
+++ b/templates/os/linux/README.md
@@ -248,6 +248,7 @@ No specific Zabbix configuration is required.
 |Name|Description|Default|
 |----|-----------|-------|
 |{$IF.ERRORS.WARN} |<p>-</p> |`2` |
+|{$IF.UTIL.MAX} |<p>This macro is used as a threshold in interface utilization trigger.</p> |`90` |
 |{$IFCONTROL} |<p>-</p> |`1` |
 |{$NET.IF.IFNAME.MATCHES} |<p>-</p> |`^.*$` |
 |{$NET.IF.IFNAME.NOT_MATCHES} |<p>Filter out loopbacks, nulls, docker veth links and docker0 bridge by default</p> |`(^Software Loopback Interface|^NULL[0-9.]*$|^[Ll]o[0-9.]*$|^[Ss]ystem$|^Nu[0-9.]*$|^veth[0-9A-z]+$|docker[0-9]+|br-[a-z0-9]{12})` |
@@ -274,23 +275,21 @@ There are no template links in this template.
 |Network interfaces |Interface {#IFNAME}: Inbound packets discarded |<p>-</p> |ZABBIX_PASSIVE |net.if.in["{#IFNAME}",dropped]<p>**Preprocessing**:</p><p>- CHANGE_PER_SECOND</p> |
 |Network interfaces |Interface {#IFNAME}: Operational status |<p>Reference: https://www.kernel.org/doc/Documentation/networking/operstates.txt</p> |ZABBIX_PASSIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"]<p>**Preprocessing**:</p><p>- JAVASCRIPT: `The text is too long. Please see the template.`</p> |
 |Network interfaces |Interface {#IFNAME}: Interface type |<p>Indicates the interface protocol type as a decimal value.</p><p>See include/uapi/linux/if_arp.h for all possible values.</p><p>Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net</p> |ZABBIX_PASSIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/type"]<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1d`</p> |
+|Network interfaces |Interface {#IFNAME}: Speed |<p>Indicates the interface latest or current speed value. Value is an integer representing the link speed in bits/sec.</p><p>This attribute is only valid for interfaces that implement the ethtool get_link_ksettings method (mostly Ethernet).</p><p>Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net</p> |ZABBIX_PASSIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]<p>**Preprocessing**:</p><p>- MULTIPLIER: `1000000`</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1h`</p> |
 
 ## Triggers
 
 |Name|Description|Expression|Severity|Dependencies and additional info|
 |----|-----------|----|----|----|
+|Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%) |<p>The network interface utilization is close to its estimated maximum bandwidth.</p> |`(avg(/Linux network interfaces by Zabbix agent/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or avg(/Linux network interfaces by Zabbix agent/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0`<p>Recovery expression:</p>`avg(/Linux network interfaces by Zabbix agent/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and avg(/Linux network interfaces by Zabbix agent/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |Interface {#IFNAME}: High error rate (>{$IF.ERRORS.WARN:"{#IFNAME}"} for 5m) |<p>Recovers when below 80% of {$IF.ERRORS.WARN:"{#IFNAME}"} threshold</p> |`min(/Linux network interfaces by Zabbix agent/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"} or min(/Linux network interfaces by Zabbix agent/net.if.out["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}`<p>Recovery expression:</p>`max(/Linux network interfaces by Zabbix agent/net.if.in["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8 and max(/Linux network interfaces by Zabbix agent/net.if.out["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |Interface {#IFNAME}: Link down |<p>This trigger expression works as follows:</p><p>1. Can be triggered if operations status is down.</p><p>2. {$IFCONTROL:"{#IFNAME}"}=1 - user can redefine Context macro to value - 0. That marks this interface as not important. No new trigger will be fired if this interface is down.</p><p>3. {TEMPLATE_NAME:METRIC.diff()}=1) - trigger fires only if operational status was up(1) sometime before. (So, do not fire 'ethernal off' interfaces.)</p><p>WARNING: if closed manually - won't fire again on next poll, because of .diff.</p> |`{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))`<p>Recovery expression:</p>`last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0` |AVERAGE |<p>Manual close: YES</p> |
-|Interface {#IFNAME}: Ethernet has changed to lower speed than it was before |<p>This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Ack to close.</p> |`change(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])<0 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1) and (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2) `<p>Recovery expression:</p>`(change(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"],#2)>0) or (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2) ` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
+|Interface {#IFNAME}: Ethernet has changed to lower speed than it was before |<p>This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Ack to close.</p> |`change(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])<0 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1) and (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2) `<p>Recovery expression:</p>`(change(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"],#2)>0) or (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2) ` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 
 ## Feedback
 
 Please report any issues with the template at https://support.zabbix.com
 
-## Known Issues
-
-- Description: High interface utilization trigger is removed since currently it is not possible to retrieve interface speed to determine the max bandwidth.
-
 # Linux generic by Zabbix agent
 
 ## Overview
@@ -378,6 +377,7 @@ No specific Zabbix configuration is required.
 |{$AGENT.TIMEOUT} |<p>Timeout after which agent is considered unavailable. Works only for agents reachable from Zabbix server/proxy (passive mode).</p> |`3m` |
 |{$CPU.UTIL.CRIT} |<p>-</p> |`90` |
 |{$IF.ERRORS.WARN} |<p>-</p> |`2` |
+|{$IF.UTIL.MAX} |<p>This macro is used as a threshold in interface utilization trigger.</p> |`90` |
 |{$IFCONTROL} |<p>-</p> |`1` |
 |{$KERNEL.MAXFILES.MIN} |<p>-</p> |`256` |
 |{$KERNEL.MAXPROC.MIN} |<p>-</p> |`1024` |
@@ -468,6 +468,7 @@ There are no template links in this template.
 |Network interfaces |Interface {#IFNAME}: Inbound packets discarded |<p>-</p> |ZABBIX_PASSIVE |net.if.in["{#IFNAME}",dropped]<p>**Preprocessing**:</p><p>- CHANGE_PER_SECOND</p> |
 |Network interfaces |Interface {#IFNAME}: Operational status |<p>Reference: https://www.kernel.org/doc/Documentation/networking/operstates.txt</p> |ZABBIX_PASSIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"]<p>**Preprocessing**:</p><p>- JAVASCRIPT: `The text is too long. Please see the template.`</p> |
 |Network interfaces |Interface {#IFNAME}: Interface type |<p>Indicates the interface protocol type as a decimal value.</p><p>See include/uapi/linux/if_arp.h for all possible values.</p><p>Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net</p> |ZABBIX_PASSIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/type"]<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1d`</p> |
+|Network interfaces |Interface {#IFNAME}: Speed |<p>Indicates the interface latest or current speed value. Value is an integer representing the link speed in bits/sec.</p><p>This attribute is only valid for interfaces that implement the ethtool get_link_ksettings method (mostly Ethernet).</p><p>Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net</p> |ZABBIX_PASSIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]<p>**Preprocessing**:</p><p>- MULTIPLIER: `1000000`</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1h`</p> |
 |Security |Checksum of /etc/passwd |<p>-</p> |ZABBIX_PASSIVE |vfs.file.cksum[/etc/passwd,sha256]<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1h`</p> |
 |Status |System uptime |<p>System uptime in 'N days, hh:mm:ss' format.</p> |ZABBIX_PASSIVE |system.uptime |
 |Status |Zabbix agent availability |<p>Monitoring agent availability status</p> |INTERNAL |zabbix[host,agent,available] |
@@ -500,9 +501,10 @@ There are no template links in this template.
 |High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m) |<p>The system is running out of free memory.</p> |`min(/Linux by Zabbix agent/vm.memory.utilization,5m)>{$MEMORY.UTIL.MAX}` |AVERAGE |<p>**Depends on**:</p><p>- Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})</p> |
 |Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2}) |<p>-</p> |`max(/Linux by Zabbix agent/vm.memory.size[available],5m)<{$MEMORY.AVAILABLE.MIN} and last(/Linux by Zabbix agent/vm.memory.size[total])>0` |AVERAGE | |
 |High swap space usage (less than {$SWAP.PFREE.MIN.WARN}% free) |<p>This trigger is ignored, if there is no swap configured</p> |`max(/Linux by Zabbix agent/system.swap.size[,pfree],5m)<{$SWAP.PFREE.MIN.WARN} and last(/Linux by Zabbix agent/system.swap.size[,total])>0` |WARNING |<p>**Depends on**:</p><p>- High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m)</p><p>- Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})</p> |
+|Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%) |<p>The network interface utilization is close to its estimated maximum bandwidth.</p> |`(avg(/Linux by Zabbix agent/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or avg(/Linux by Zabbix agent/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0`<p>Recovery expression:</p>`avg(/Linux by Zabbix agent/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and avg(/Linux by Zabbix agent/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |Interface {#IFNAME}: High error rate (>{$IF.ERRORS.WARN:"{#IFNAME}"} for 5m) |<p>Recovers when below 80% of {$IF.ERRORS.WARN:"{#IFNAME}"} threshold</p> |`min(/Linux by Zabbix agent/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"} or min(/Linux by Zabbix agent/net.if.out["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}`<p>Recovery expression:</p>`max(/Linux by Zabbix agent/net.if.in["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8 and max(/Linux by Zabbix agent/net.if.out["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |Interface {#IFNAME}: Link down |<p>This trigger expression works as follows:</p><p>1. Can be triggered if operations status is down.</p><p>2. {$IFCONTROL:"{#IFNAME}"}=1 - user can redefine Context macro to value - 0. That marks this interface as not important. No new trigger will be fired if this interface is down.</p><p>3. {TEMPLATE_NAME:METRIC.diff()}=1) - trigger fires only if operational status was up(1) sometime before. (So, do not fire 'ethernal off' interfaces.)</p><p>WARNING: if closed manually - won't fire again on next poll, because of .diff.</p> |`{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))`<p>Recovery expression:</p>`last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0` |AVERAGE |<p>Manual close: YES</p> |
-|Interface {#IFNAME}: Ethernet has changed to lower speed than it was before |<p>This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Ack to close.</p> |`change(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])<0 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1) and (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2) `<p>Recovery expression:</p>`(change(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"],#2)>0) or (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2) ` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
+|Interface {#IFNAME}: Ethernet has changed to lower speed than it was before |<p>This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Ack to close.</p> |`change(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])<0 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1) and (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2) `<p>Recovery expression:</p>`(change(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"],#2)>0) or (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2) ` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |/etc/passwd has been changed |<p>-</p> |`last(/Linux by Zabbix agent/vfs.file.cksum[/etc/passwd,sha256],#1)<>last(/Linux by Zabbix agent/vfs.file.cksum[/etc/passwd,sha256],#2)` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Operating system description has changed</p><p>- System name has changed (new name: {ITEM.VALUE})</p> |
 |{HOST.NAME} has been restarted (uptime < 10m) |<p>The host uptime is less than 10 minutes</p> |`last(/Linux by Zabbix agent/system.uptime)<10m` |WARNING |<p>Manual close: YES</p> |
 |Zabbix agent is not available (for {$AGENT.TIMEOUT}) |<p>For passive only agents, host availability is used with {$AGENT.TIMEOUT} as time threshold.</p> |`max(/Linux by Zabbix agent/zabbix[host,agent,available],{$AGENT.TIMEOUT})=0` |AVERAGE |<p>Manual close: YES</p> |
diff --git a/templates/os/linux/template_os_linux.yaml b/templates/os/linux/template_os_linux.yaml
index 31ee74c8e00..d8323340cb4 100644
--- a/templates/os/linux/template_os_linux.yaml
+++ b/templates/os/linux/template_os_linux.yaml
@@ -1,6 +1,6 @@
 zabbix_export:
   version: '6.0'
-  date: '2022-01-26T14:30:06Z'
+  date: '2022-02-01T07:21:45Z'
   groups:
     -
       uuid: 57b7ae836ca64446ba2c296389c009b7
@@ -1140,9 +1140,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1161,9 +1158,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1187,9 +1181,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1208,9 +1199,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1229,9 +1217,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1255,9 +1240,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1305,9 +1287,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
               trigger_prototypes:
@@ -1332,6 +1311,34 @@ zabbix_export:
                       tag: scope
                       value: availability
             -
+              uuid: f4c456e1f9ef4adbbd11f1ee17fa4d76
+              name: 'Interface {#IFNAME}: Speed'
+              key: 'vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]'
+              delay: 5m
+              history: 7d
+              trends: 0d
+              units: bps
+              description: |
+                Indicates the interface latest or current speed value. Value is an integer representing the link speed in bits/sec.
+                This attribute is only valid for interfaces that implement the ethtool get_link_ksettings method (mostly Ethernet).
+                Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net
+              preprocessing:
+                -
+                  type: MULTIPLIER
+                  parameters:
+                    - '1000000'
+                -
+                  type: DISCARD_UNCHANGED_HEARTBEAT
+                  parameters:
+                    - 1h
+              tags:
+                -
+                  tag: component
+                  value: network
+                -
+                  tag: interface
+                  value: '{#IFNAME}'
+            -
               uuid: d537e74070c74e4385ad241e8514dd3a
               name: 'Interface {#IFNAME}: Interface type'
               key: 'vfs.file.contents["/sys/class/net/{#IFNAME}/type"]'
@@ -1354,24 +1361,20 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
           trigger_prototypes:
             -
               uuid: 2ffdc1d5a318492bb497facd263843bd
               expression: |
-                change(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])<0 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0
+                change(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])<0 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0
                 and
-                (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6
-                or last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1)
+                (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1)
                 and
                 (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2)
               recovery_mode: RECOVERY_EXPRESSION
               recovery_expression: |
-                (change(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"],#2)>0) or
+                (change(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"],#2)>0) or
                 (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2)
               name: 'Interface {#IFNAME}: Ethernet has changed to lower speed than it was before'
               opdata: 'Current reported speed: {ITEM.LASTVALUE1}'
@@ -1388,6 +1391,30 @@ zabbix_export:
                   tag: scope
                   value: performance
             -
+              uuid: f64186d30b4e4c4281fce84349cbd646
+              expression: |
+                (avg(/Linux by Zabbix agent/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or
+                avg(/Linux by Zabbix agent/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and
+                last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0
+              recovery_mode: RECOVERY_EXPRESSION
+              recovery_expression: |
+                avg(/Linux by Zabbix agent/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and
+                avg(/Linux by Zabbix agent/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])
+              name: 'Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%)'
+              opdata: 'In: {ITEM.LASTVALUE1}, out: {ITEM.LASTVALUE3}, speed: {ITEM.LASTVALUE2}'
+              priority: WARNING
+              description: 'The network interface utilization is close to its estimated maximum bandwidth.'
+              manual_close: 'YES'
+              dependencies:
+                -
+                  name: 'Interface {#IFNAME}: Link down'
+                  expression: '{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))'
+                  recovery_expression: 'last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0'
+              tags:
+                -
+                  tag: scope
+                  value: performance
+            -
               uuid: ad50aecf8e7746b2a85f24507f1d511d
               expression: |
                 min(/Linux by Zabbix agent/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}
@@ -1993,6 +2020,10 @@ zabbix_export:
           macro: '{$IF.ERRORS.WARN}'
           value: '2'
         -
+          macro: '{$IF.UTIL.MAX}'
+          value: '90'
+          description: 'This macro is used as a threshold in interface utilization trigger.'
+        -
           macro: '{$IFCONTROL}'
           value: '1'
         -
@@ -3484,12 +3515,7 @@ zabbix_export:
       uuid: 18ecfb2a7e754315bb8d7f71917153da
       template: 'Linux network interfaces by Zabbix agent'
       name: 'Linux network interfaces by Zabbix agent'
-      description: |
-        Known Issues:
-        
-          Description: High interface utilization trigger is removed since currently it is not possible to retrieve interface speed to determine the max bandwidth.
-        
-        Template tooling version used: 0.41
+      description: 'Template tooling version used: 0.41'
       groups:
         -
           name: Templates/Modules
@@ -3529,9 +3555,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3550,9 +3573,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3576,9 +3596,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3597,9 +3614,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3618,9 +3632,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3644,9 +3655,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3694,9 +3702,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
               trigger_prototypes:
@@ -3721,6 +3726,34 @@ zabbix_export:
                       tag: scope
                       value: availability
             -
+              uuid: 4644f15077474647bc7104431cf1bb74
+              name: 'Interface {#IFNAME}: Speed'
+              key: 'vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]'
+              delay: 5m
+              history: 7d
+              trends: 0d
+              units: bps
+              description: |
+                Indicates the interface latest or current speed value. Value is an integer representing the link speed in bits/sec.
+                This attribute is only valid for interfaces that implement the ethtool get_link_ksettings method (mostly Ethernet).
+                Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net
+              preprocessing:
+                -
+                  type: MULTIPLIER
+                  parameters:
+                    - '1000000'
+                -
+                  type: DISCARD_UNCHANGED_HEARTBEAT
+                  parameters:
+                    - 1h
+              tags:
+                -
+                  tag: component
+                  value: network
+                -
+                  tag: interface
+                  value: '{#IFNAME}'
+            -
               uuid: 09bb129b088d493990bb4fa381eacad8
               name: 'Interface {#IFNAME}: Interface type'
               key: 'vfs.file.contents["/sys/class/net/{#IFNAME}/type"]'
@@ -3743,24 +3776,20 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
           trigger_prototypes:
             -
               uuid: 42ba7cc36b734d4a933ed4f7ceb8f3a4
               expression: |
-                change(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])<0 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0
+                change(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])<0 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0
                 and
-                (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6
-                or last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1)
+                (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1)
                 and
                 (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2)
               recovery_mode: RECOVERY_EXPRESSION
               recovery_expression: |
-                (change(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/type"],#2)>0) or
+                (change(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"],#2)>0) or
                 (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2)
               name: 'Interface {#IFNAME}: Ethernet has changed to lower speed than it was before'
               opdata: 'Current reported speed: {ITEM.LASTVALUE1}'
@@ -3777,6 +3806,30 @@ zabbix_export:
                   tag: scope
                   value: performance
             -
+              uuid: 678d795a043a4f5a84fc9690d0d29783
+              expression: |
+                (avg(/Linux network interfaces by Zabbix agent/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or
+                avg(/Linux network interfaces by Zabbix agent/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and
+                last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0
+              recovery_mode: RECOVERY_EXPRESSION
+              recovery_expression: |
+                avg(/Linux network interfaces by Zabbix agent/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and
+                avg(/Linux network interfaces by Zabbix agent/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])
+              name: 'Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%)'
+              opdata: 'In: {ITEM.LASTVALUE1}, out: {ITEM.LASTVALUE3}, speed: {ITEM.LASTVALUE2}'
+              priority: WARNING
+              description: 'The network interface utilization is close to its estimated maximum bandwidth.'
+              manual_close: 'YES'
+              dependencies:
+                -
+                  name: 'Interface {#IFNAME}: Link down'
+                  expression: '{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))'
+                  recovery_expression: 'last(/Linux network interfaces by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0'
+              tags:
+                -
+                  tag: scope
+                  value: performance
+            -
               uuid: b4da7325b41647ab997cf6906a9cba23
               expression: |
                 min(/Linux network interfaces by Zabbix agent/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}
@@ -3853,6 +3906,10 @@ zabbix_export:
           macro: '{$IF.ERRORS.WARN}'
           value: '2'
         -
+          macro: '{$IF.UTIL.MAX}'
+          value: '90'
+          description: 'This macro is used as a threshold in interface utilization trigger.'
+        -
           macro: '{$IFCONTROL}'
           value: '1'
         -
diff --git a/templates/os/linux_active/README.md b/templates/os/linux_active/README.md
index 3c800c9436a..a7eba1b89e1 100644
--- a/templates/os/linux_active/README.md
+++ b/templates/os/linux_active/README.md
@@ -248,6 +248,7 @@ No specific Zabbix configuration is required.
 |Name|Description|Default|
 |----|-----------|-------|
 |{$IF.ERRORS.WARN} |<p>-</p> |`2` |
+|{$IF.UTIL.MAX} |<p>This macro is used as a threshold in interface utilization trigger.</p> |`90` |
 |{$IFCONTROL} |<p>-</p> |`1` |
 |{$NET.IF.IFNAME.MATCHES} |<p>-</p> |`^.*$` |
 |{$NET.IF.IFNAME.NOT_MATCHES} |<p>Filter out loopbacks, nulls, docker veth links and docker0 bridge by default</p> |`(^Software Loopback Interface|^NULL[0-9.]*$|^[Ll]o[0-9.]*$|^[Ss]ystem$|^Nu[0-9.]*$|^veth[0-9A-z]+$|docker[0-9]+|br-[a-z0-9]{12})` |
@@ -274,23 +275,21 @@ There are no template links in this template.
 |Network interfaces |Interface {#IFNAME}: Inbound packets discarded |<p>-</p> |ZABBIX_ACTIVE |net.if.in["{#IFNAME}",dropped]<p>**Preprocessing**:</p><p>- CHANGE_PER_SECOND</p> |
 |Network interfaces |Interface {#IFNAME}: Operational status |<p>Reference: https://www.kernel.org/doc/Documentation/networking/operstates.txt</p> |ZABBIX_ACTIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"]<p>**Preprocessing**:</p><p>- JAVASCRIPT: `The text is too long. Please see the template.`</p> |
 |Network interfaces |Interface {#IFNAME}: Interface type |<p>Indicates the interface protocol type as a decimal value.</p><p>See include/uapi/linux/if_arp.h for all possible values.</p><p>Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net</p> |ZABBIX_ACTIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/type"]<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1d`</p> |
+|Network interfaces |Interface {#IFNAME}: Speed |<p>Indicates the interface latest or current speed value. Value is an integer representing the link speed in bits/sec.</p><p>This attribute is only valid for interfaces that implement the ethtool get_link_ksettings method (mostly Ethernet).</p><p>Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net</p> |ZABBIX_ACTIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]<p>**Preprocessing**:</p><p>- MULTIPLIER: `1000000`</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1h`</p> |
 
 ## Triggers
 
 |Name|Description|Expression|Severity|Dependencies and additional info|
 |----|-----------|----|----|----|
+|Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%) |<p>The network interface utilization is close to its estimated maximum bandwidth.</p> |`(avg(/Linux network interfaces by Zabbix agent active/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or avg(/Linux network interfaces by Zabbix agent active/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0`<p>Recovery expression:</p>`avg(/Linux network interfaces by Zabbix agent active/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and avg(/Linux network interfaces by Zabbix agent active/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |Interface {#IFNAME}: High error rate (>{$IF.ERRORS.WARN:"{#IFNAME}"} for 5m) |<p>Recovers when below 80% of {$IF.ERRORS.WARN:"{#IFNAME}"} threshold</p> |`min(/Linux network interfaces by Zabbix agent active/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"} or min(/Linux network interfaces by Zabbix agent active/net.if.out["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}`<p>Recovery expression:</p>`max(/Linux network interfaces by Zabbix agent active/net.if.in["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8 and max(/Linux network interfaces by Zabbix agent active/net.if.out["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |Interface {#IFNAME}: Link down |<p>This trigger expression works as follows:</p><p>1. Can be triggered if operations status is down.</p><p>2. {$IFCONTROL:"{#IFNAME}"}=1 - user can redefine Context macro to value - 0. That marks this interface as not important. No new trigger will be fired if this interface is down.</p><p>3. {TEMPLATE_NAME:METRIC.diff()}=1) - trigger fires only if operational status was up(1) sometime before. (So, do not fire 'ethernal off' interfaces.)</p><p>WARNING: if closed manually - won't fire again on next poll, because of .diff.</p> |`{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))`<p>Recovery expression:</p>`last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0` |AVERAGE |<p>Manual close: YES</p> |
-|Interface {#IFNAME}: Ethernet has changed to lower speed than it was before |<p>This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Ack to close.</p> |`change(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])<0 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1) and (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2) `<p>Recovery expression:</p>`(change(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"],#2)>0) or (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2) ` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
+|Interface {#IFNAME}: Ethernet has changed to lower speed than it was before |<p>This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Ack to close.</p> |`change(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])<0 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1) and (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2) `<p>Recovery expression:</p>`(change(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"],#2)>0) or (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2) ` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 
 ## Feedback
 
 Please report any issues with the template at https://support.zabbix.com
 
-## Known Issues
-
-- Description: High interface utilization trigger is removed since currently it is not possible to retrieve interface speed to determine the max bandwidth.
-
 # Linux generic by Zabbix agent active
 
 ## Overview
@@ -378,6 +377,7 @@ No specific Zabbix configuration is required.
 |{$AGENT.NODATA_TIMEOUT} |<p>No data timeout for active agents. Consider to keep it relatively high.</p> |`30m` |
 |{$CPU.UTIL.CRIT} |<p>-</p> |`90` |
 |{$IF.ERRORS.WARN} |<p>-</p> |`2` |
+|{$IF.UTIL.MAX} |<p>This macro is used as a threshold in interface utilization trigger.</p> |`90` |
 |{$IFCONTROL} |<p>-</p> |`1` |
 |{$KERNEL.MAXFILES.MIN} |<p>-</p> |`256` |
 |{$KERNEL.MAXPROC.MIN} |<p>-</p> |`1024` |
@@ -467,6 +467,7 @@ There are no template links in this template.
 |Network interfaces |Interface {#IFNAME}: Inbound packets discarded |<p>-</p> |ZABBIX_ACTIVE |net.if.in["{#IFNAME}",dropped]<p>**Preprocessing**:</p><p>- CHANGE_PER_SECOND</p> |
 |Network interfaces |Interface {#IFNAME}: Operational status |<p>Reference: https://www.kernel.org/doc/Documentation/networking/operstates.txt</p> |ZABBIX_ACTIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"]<p>**Preprocessing**:</p><p>- JAVASCRIPT: `The text is too long. Please see the template.`</p> |
 |Network interfaces |Interface {#IFNAME}: Interface type |<p>Indicates the interface protocol type as a decimal value.</p><p>See include/uapi/linux/if_arp.h for all possible values.</p><p>Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net</p> |ZABBIX_ACTIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/type"]<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1d`</p> |
+|Network interfaces |Interface {#IFNAME}: Speed |<p>Indicates the interface latest or current speed value. Value is an integer representing the link speed in bits/sec.</p><p>This attribute is only valid for interfaces that implement the ethtool get_link_ksettings method (mostly Ethernet).</p><p>Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net</p> |ZABBIX_ACTIVE |vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]<p>**Preprocessing**:</p><p>- MULTIPLIER: `1000000`</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1h`</p> |
 |Security |Checksum of /etc/passwd |<p>-</p> |ZABBIX_ACTIVE |vfs.file.cksum[/etc/passwd,sha256]<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1h`</p> |
 |Status |System uptime |<p>System uptime in 'N days, hh:mm:ss' format.</p> |ZABBIX_ACTIVE |system.uptime |
 |Status |Zabbix agent ping |<p>The agent always returns 1 for this item. It could be used in combination with nodata() for availability check.</p> |ZABBIX_ACTIVE |agent.ping |
@@ -499,9 +500,10 @@ There are no template links in this template.
 |High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m) |<p>The system is running out of free memory.</p> |`min(/Linux by Zabbix agent active/vm.memory.utilization,5m)>{$MEMORY.UTIL.MAX}` |AVERAGE |<p>**Depends on**:</p><p>- Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})</p> |
 |Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2}) |<p>-</p> |`max(/Linux by Zabbix agent active/vm.memory.size[available],5m)<{$MEMORY.AVAILABLE.MIN} and last(/Linux by Zabbix agent active/vm.memory.size[total])>0` |AVERAGE | |
 |High swap space usage (less than {$SWAP.PFREE.MIN.WARN}% free) |<p>This trigger is ignored, if there is no swap configured</p> |`max(/Linux by Zabbix agent active/system.swap.size[,pfree],5m)<{$SWAP.PFREE.MIN.WARN} and last(/Linux by Zabbix agent active/system.swap.size[,total])>0` |WARNING |<p>**Depends on**:</p><p>- High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m)</p><p>- Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})</p> |
+|Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%) |<p>The network interface utilization is close to its estimated maximum bandwidth.</p> |`(avg(/Linux by Zabbix agent active/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or avg(/Linux by Zabbix agent active/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0`<p>Recovery expression:</p>`avg(/Linux by Zabbix agent active/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and avg(/Linux by Zabbix agent active/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |Interface {#IFNAME}: High error rate (>{$IF.ERRORS.WARN:"{#IFNAME}"} for 5m) |<p>Recovers when below 80% of {$IF.ERRORS.WARN:"{#IFNAME}"} threshold</p> |`min(/Linux by Zabbix agent active/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"} or min(/Linux by Zabbix agent active/net.if.out["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}`<p>Recovery expression:</p>`max(/Linux by Zabbix agent active/net.if.in["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8 and max(/Linux by Zabbix agent active/net.if.out["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |Interface {#IFNAME}: Link down |<p>This trigger expression works as follows:</p><p>1. Can be triggered if operations status is down.</p><p>2. {$IFCONTROL:"{#IFNAME}"}=1 - user can redefine Context macro to value - 0. That marks this interface as not important. No new trigger will be fired if this interface is down.</p><p>3. {TEMPLATE_NAME:METRIC.diff()}=1) - trigger fires only if operational status was up(1) sometime before. (So, do not fire 'ethernal off' interfaces.)</p><p>WARNING: if closed manually - won't fire again on next poll, because of .diff.</p> |`{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))`<p>Recovery expression:</p>`last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0` |AVERAGE |<p>Manual close: YES</p> |
-|Interface {#IFNAME}: Ethernet has changed to lower speed than it was before |<p>This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Ack to close.</p> |`change(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])<0 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1) and (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2) `<p>Recovery expression:</p>`(change(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"],#2)>0) or (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2) ` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
+|Interface {#IFNAME}: Ethernet has changed to lower speed than it was before |<p>This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Ack to close.</p> |`change(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])<0 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1) and (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2) `<p>Recovery expression:</p>`(change(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"],#2)>0) or (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2) ` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> |
 |/etc/passwd has been changed |<p>-</p> |`last(/Linux by Zabbix agent active/vfs.file.cksum[/etc/passwd,sha256],#1)<>last(/Linux by Zabbix agent active/vfs.file.cksum[/etc/passwd,sha256],#2)` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Operating system description has changed</p><p>- System name has changed (new name: {ITEM.VALUE})</p> |
 |{HOST.NAME} has been restarted (uptime < 10m) |<p>The host uptime is less than 10 minutes</p> |`last(/Linux by Zabbix agent active/system.uptime)<10m` |WARNING |<p>Manual close: YES</p> |
 |Zabbix agent is not available (or nodata for {$AGENT.NODATA_TIMEOUT}) |<p>For active agents, nodata() with agent.ping is used with {$AGENT.NODATA_TIMEOUT} as time threshold.</p> |`nodata(/Linux by Zabbix agent active/agent.ping,{$AGENT.NODATA_TIMEOUT})=1` |AVERAGE |<p>Manual close: YES</p> |
diff --git a/templates/os/linux_active/template_os_linux_active.yaml b/templates/os/linux_active/template_os_linux_active.yaml
index 7a18db5bd8a..2cdf4101281 100644
--- a/templates/os/linux_active/template_os_linux_active.yaml
+++ b/templates/os/linux_active/template_os_linux_active.yaml
@@ -1,6 +1,6 @@
 zabbix_export:
   version: '6.0'
-  date: '2022-01-26T19:22:42Z'
+  date: '2022-02-01T07:21:31Z'
   groups:
     -
       uuid: 57b7ae836ca64446ba2c296389c009b7
@@ -1170,9 +1170,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1192,9 +1189,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1219,9 +1213,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1241,9 +1232,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1263,9 +1251,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1290,9 +1275,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -1341,9 +1323,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
               trigger_prototypes:
@@ -1368,6 +1347,36 @@ zabbix_export:
                       tag: scope
                       value: availability
             -
+              uuid: 86dd61015ecc43428803b309bdfa9691
+              name: 'Interface {#IFNAME}: Speed'
+              type: ZABBIX_ACTIVE
+              key: 'vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]'
+              delay: 5m
+              history: 7d
+              trends: 0d
+              units: bps
+              description: |
+                Indicates the interface latest or current speed value. Value is an integer representing the link speed in bits/sec.
+                This attribute is only valid for interfaces that implement the ethtool get_link_ksettings method (mostly Ethernet).
+                
+                Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net
+              preprocessing:
+                -
+                  type: MULTIPLIER
+                  parameters:
+                    - '1000000'
+                -
+                  type: DISCARD_UNCHANGED_HEARTBEAT
+                  parameters:
+                    - 1h
+              tags:
+                -
+                  tag: component
+                  value: network
+                -
+                  tag: interface
+                  value: '{#IFNAME}'
+            -
               uuid: e675114e23414b9dbc2d19d00f32bc70
               name: 'Interface {#IFNAME}: Interface type'
               type: ZABBIX_ACTIVE
@@ -1391,24 +1400,20 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
           trigger_prototypes:
             -
               uuid: c0fd4630351f424aa6c8b7f2e85f0f9e
               expression: |
-                change(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])<0 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0
+                change(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])<0 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0
                 and
-                (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6
-                or last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1)
+                (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1)
                 and
                 (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2)
               recovery_mode: RECOVERY_EXPRESSION
               recovery_expression: |
-                (change(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"],#2)>0) or
+                (change(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"],#2)>0) or
                 (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2)
               name: 'Interface {#IFNAME}: Ethernet has changed to lower speed than it was before'
               opdata: 'Current reported speed: {ITEM.LASTVALUE1}'
@@ -1425,6 +1430,30 @@ zabbix_export:
                   tag: scope
                   value: performance
             -
+              uuid: 5370cb085c454077a2dd6c39890f706a
+              expression: |
+                (avg(/Linux by Zabbix agent active/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or
+                avg(/Linux by Zabbix agent active/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and
+                last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0
+              recovery_mode: RECOVERY_EXPRESSION
+              recovery_expression: |
+                avg(/Linux by Zabbix agent active/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and
+                avg(/Linux by Zabbix agent active/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])
+              name: 'Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%)'
+              opdata: 'In: {ITEM.LASTVALUE1}, out: {ITEM.LASTVALUE3}, speed: {ITEM.LASTVALUE2}'
+              priority: WARNING
+              description: 'The network interface utilization is close to its estimated maximum bandwidth.'
+              manual_close: 'YES'
+              dependencies:
+                -
+                  name: 'Interface {#IFNAME}: Link down'
+                  expression: '{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))'
+                  recovery_expression: 'last(/Linux by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0'
+              tags:
+                -
+                  tag: scope
+                  value: performance
+            -
               uuid: 58f4ba4b2795407896752da57462629d
               expression: |
                 min(/Linux by Zabbix agent active/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}
@@ -2037,6 +2066,10 @@ zabbix_export:
           macro: '{$IF.ERRORS.WARN}'
           value: '2'
         -
+          macro: '{$IF.UTIL.MAX}'
+          value: '90'
+          description: 'This macro is used as a threshold in interface utilization trigger.'
+        -
           macro: '{$IFCONTROL}'
           value: '1'
         -
@@ -3569,12 +3602,7 @@ zabbix_export:
       uuid: fac8b6986be24a8c91f7b0b15439bccf
       template: 'Linux network interfaces by Zabbix agent active'
       name: 'Linux network interfaces by Zabbix agent active'
-      description: |
-        Known Issues:
-        
-          Description: High interface utilization trigger is removed since currently it is not possible to retrieve interface speed to determine the max bandwidth.
-        
-        Template tooling version used: 0.41
+      description: 'Template tooling version used: 0.41'
       groups:
         -
           name: Templates/Modules
@@ -3616,9 +3644,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3638,9 +3663,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3665,9 +3687,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3687,9 +3706,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3709,9 +3725,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3736,9 +3749,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
             -
@@ -3787,9 +3797,6 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
               trigger_prototypes:
@@ -3814,6 +3821,36 @@ zabbix_export:
                       tag: scope
                       value: availability
             -
+              uuid: 7b3413b3321a4756b8f369a9633a393e
+              name: 'Interface {#IFNAME}: Speed'
+              type: ZABBIX_ACTIVE
+              key: 'vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]'
+              delay: 5m
+              history: 7d
+              trends: 0d
+              units: bps
+              description: |
+                Indicates the interface latest or current speed value. Value is an integer representing the link speed in bits/sec.
+                This attribute is only valid for interfaces that implement the ethtool get_link_ksettings method (mostly Ethernet).
+                
+                Reference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net
+              preprocessing:
+                -
+                  type: MULTIPLIER
+                  parameters:
+                    - '1000000'
+                -
+                  type: DISCARD_UNCHANGED_HEARTBEAT
+                  parameters:
+                    - 1h
+              tags:
+                -
+                  tag: component
+                  value: network
+                -
+                  tag: interface
+                  value: '{#IFNAME}'
+            -
               uuid: 1506d09010fc48378b35b434e0eb18c1
               name: 'Interface {#IFNAME}: Interface type'
               type: ZABBIX_ACTIVE
@@ -3837,24 +3874,20 @@ zabbix_export:
                   tag: component
                   value: network
                 -
-                  tag: description
-                  value: '{#IFALIAS}'
-                -
                   tag: interface
                   value: '{#IFNAME}'
           trigger_prototypes:
             -
               uuid: 6ce7c1f3b54641bb87684f9c5336d1da
               expression: |
-                change(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])<0 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0
+                change(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])<0 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0
                 and
-                (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6
-                or last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1)
+                (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=6 or last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])=1)
                 and
                 (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2)
               recovery_mode: RECOVERY_EXPRESSION
               recovery_expression: |
-                (change(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"])>0 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/type"],#2)>0) or
+                (change(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"],#2)>0) or
                 (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2)
               name: 'Interface {#IFNAME}: Ethernet has changed to lower speed than it was before'
               opdata: 'Current reported speed: {ITEM.LASTVALUE1}'
@@ -3871,6 +3904,30 @@ zabbix_export:
                   tag: scope
                   value: performance
             -
+              uuid: 57ff0d15e1634b88920cb6ddccd804c7
+              expression: |
+                (avg(/Linux network interfaces by Zabbix agent active/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or
+                avg(/Linux network interfaces by Zabbix agent active/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and
+                last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0
+              recovery_mode: RECOVERY_EXPRESSION
+              recovery_expression: |
+                avg(/Linux network interfaces by Zabbix agent active/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and
+                avg(/Linux network interfaces by Zabbix agent active/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])
+              name: 'Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%)'
+              opdata: 'In: {ITEM.LASTVALUE1}, out: {ITEM.LASTVALUE3}, speed: {ITEM.LASTVALUE2}'
+              priority: WARNING
+              description: 'The network interface utilization is close to its estimated maximum bandwidth.'
+              manual_close: 'YES'
+              dependencies:
+                -
+                  name: 'Interface {#IFNAME}: Link down'
+                  expression: '{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))'
+                  recovery_expression: 'last(/Linux network interfaces by Zabbix agent active/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0'
+              tags:
+                -
+                  tag: scope
+                  value: performance
+            -
               uuid: b0b3cce08e924447845859391bdf9045
               expression: |
                 min(/Linux network interfaces by Zabbix agent active/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}
@@ -3947,6 +4004,10 @@ zabbix_export:
           macro: '{$IF.ERRORS.WARN}'
           value: '2'
         -
+          macro: '{$IF.UTIL.MAX}'
+          value: '90'
+          description: 'This macro is used as a threshold in interface utilization trigger.'
+        -
           macro: '{$IFCONTROL}'
           value: '1'
         -
@@ -4633,60 +4694,60 @@ zabbix_export:
             host: 'Linux by Zabbix agent active'
             key: 'system.swap.size[,total]'
     -
-      uuid: d47109e977ec4362a3f3bb5e7708b48a
+      uuid: aa2447f0256d4985af78af8e1cf7e7bd
       name: 'System load'
       ymin_type_1: FIXED
       graph_items:
         -
           color: 1A7C11
           item:
-            host: 'Linux by Zabbix agent active'
+            host: 'Linux CPU by Zabbix agent active'
             key: 'system.cpu.load[all,avg1]'
         -
           sortorder: '1'
           color: 2774A4
           item:
-            host: 'Linux by Zabbix agent active'
+            host: 'Linux CPU by Zabbix agent active'
             key: 'system.cpu.load[all,avg5]'
         -
           sortorder: '2'
           color: F63100
           item:
-            host: 'Linux by Zabbix agent active'
+            host: 'Linux CPU by Zabbix agent active'
             key: 'system.cpu.load[all,avg15]'
         -
           sortorder: '3'
           color: A54F10
           yaxisside: RIGHT
           item:
-            host: 'Linux by Zabbix agent active'
+            host: 'Linux CPU by Zabbix agent active'
             key: system.cpu.num
     -
-      uuid: aa2447f0256d4985af78af8e1cf7e7bd
+      uuid: d47109e977ec4362a3f3bb5e7708b48a
       name: 'System load'
       ymin_type_1: FIXED
       graph_items:
         -
           color: 1A7C11
           item:
-            host: 'Linux CPU by Zabbix agent active'
+            host: 'Linux by Zabbix agent active'
             key: 'system.cpu.load[all,avg1]'
         -
           sortorder: '1'
           color: 2774A4
           item:
-            host: 'Linux CPU by Zabbix agent active'
+            host: 'Linux by Zabbix agent active'
             key: 'system.cpu.load[all,avg5]'
         -
           sortorder: '2'
           color: F63100
           item:
-            host: 'Linux CPU by Zabbix agent active'
+            host: 'Linux by Zabbix agent active'
             key: 'system.cpu.load[all,avg15]'
         -
           sortorder: '3'
           color: A54F10
           yaxisside: RIGHT
           item:
-            host: 'Linux CPU by Zabbix agent active'
+            host: 'Linux by Zabbix agent active'
             key: system.cpu.num