Zabbix. Dynamic Indexes

I have come across quite a few switches in which SNMP indices can shift, for example, depending on the number of added VLANs, that is, the first port will no longer be ifIndex.1, but for example ifIndex.5. On Mikrotik RB2011UiAS-RM, the sfp1 port is ifIndex.1, and ether1 is already ifIndex.2. In Huawei switches and OLT, I saw sky-high figures and, in addition, they also shifted. Therefore, in order not to create separate templates for the same device model, Zabbix has a solution for this.

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Monitoring Combined Network Interface Channels in Zabbix

I decided to add to Zabbix a check of the number of Combined channels of network interfaces, since when loading the server there could be different situations when my scripts changing their number were not always executed or were executed, but the value was reset during the system startup.

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