84 lines
3.3 KiB
Markdown
84 lines
3.3 KiB
Markdown
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# Network availability by Zabbix agent
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## Overview
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This template is designed for network availability monitoring by Zabbix via ping and doesn't require any external scripts.
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## Requirements
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- Zabbix version: 6.0 and higher.
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- [`Define user parameters.`](https://git.hmp.today/pavel.muhortov/zabbix/templates/components/network-availability/6.0#define-user-parameters)
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## Tested versions
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This template has been tested on:
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- [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/)
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- [Windows 11](https://www.microsoft.com/en-us/windows/windows-11)
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### Macros used
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|Name|Description|Default|
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|----|-----------|-------|
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|{$ADDRESS1}|address to check availability|`1.1.1.1`|
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|{$ADDRESS2}|address to check availability|`8.8.8.8`|
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|{$ADDRESS3}|address to check availability|`9.9.9.9`|
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### Items
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|Name|Description|Type|Key and additional info|
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|----|-----------|----|-----------------------|
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|Network address 1 available|Availability of address 1 by ping|Zabbix agent|'network.address1[{$ADDRESS1}]'|
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|Network address 2 available|Availability of address 2 by ping|Zabbix agent|'network.address2[{$ADDRESS2}]'|
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|Network address 3 available|Availability of address 3 by ping|Zabbix agent|'network.address3[{$ADDRESS3}]'|
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|Network default gateway|Network default gateway|Zabbix agent|'network.gateway'|
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### Triggers
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|Name|Description|Expression|Severity|Dependencies and additional info|
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|----|-----------|----------|--------|--------------------------------|
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|Network via {ITEM.VALUE4} not available||last(/Network availability by Zabbix agent/network.address1[{$ADDRESS1}],#1)=0 and last(/Network availability by Zabbix agent/network.address2[{$ADDRESS2}],#1)=0 and last(/Network availability by Zabbix agent/network.address3[{$ADDRESS3}],#1)=0 and length(last(/Network availability by Zabbix agent/network.gateway))>0)<7|High|Manual close: No|
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|Default gateway has changed (new gateway: {ITEM.VALUE})||last(/Network availability by Zabbix agent/network.gateway,#1)<>last(/Network availability by Zabbix agent/network.gateway,#2) and length(last(/Network availability by Zabbix agent/network.gateway))>0|Average|Manual close: Yes|
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### Discovery rules
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There are no discovery rules in this template.
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### Item prototypes for Clients discovery
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There are no item prototypes in this template.
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### Define user parameters
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for Linux:
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```bash
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tee -a /etc/zabbix/zabbix_agentd.conf > /dev/null <<'EOF'
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Timeout=30
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UserParameter=network.gateway, ip ro | grep -e default | awk '{print $3}'
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UserParameter=network.address1[*], ping -q -w 3 -c 1 $1 > /dev/null && echo 1 || echo 0
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UserParameter=network.address2[*], ping -q -w 3 -c 1 $1 > /dev/null && echo 1 || echo 0
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UserParameter=network.address3[*], ping -q -w 3 -c 1 $1 > /dev/null && echo 1 || echo 0
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EOF
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systemctl restart zabbix-agent
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```
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for Windows:
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```batch
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powershell.exe
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$text = @"
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Timeout=30
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UserParameter=network.gateway, powershell.exe -Command "Get-NetRoute -DestinationPrefix '0.0.0.0/0' | Select-Object -ExpandProperty 'NextHop'"
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UserParameter=network.address1[*], ping -w 3000 -n 1 $1 > NUL && echo 1 || echo 0
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UserParameter=network.address2[*], ping -w 3000 -n 1 $1 > NUL && echo 1 || echo 0
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UserParameter=network.address3[*], ping -w 3000 -n 1 $1 > NUL && echo 1 || echo 0
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"@
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$text | Out-File -Append "$env:ProgramFiles\Zabbix Agent\zabbix_agentd.conf" -Encoding "UTF8"
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exit
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sc stop "Zabbix Agent" && sc start "Zabbix Agent"
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```
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