Monday, July 27, 2020

Confused with SNMPv3 - meaningless commands

Hey everyone,

I'm currently configuring Cisco 3 switches to communicate back to Solarwinds SNMP NPM.

Both the switches and the host with NPM installed are on the same network.

I got snmpv3 to work with simply 2 commands.

snmp-server user testuser testgroup v3 auth sha testpassword123 priv aes 128 privkey123

snmp-server group testgroup v3 priv

In NPM I can see every snmp trap statistic I'd want to see without enabling snmp traps or configuring any snmp host on the cisco switches.

My question is what's the point of configuring "snmp-server enable traps" or "snmp-server host ipaddress" command if by default the SNMP manager polls all the SNMP information from the switch and the switch will talk back to any SNMP manager without the "snmp-server host ipaddress" command?

Cisco claims you need these commands for snmpv3 to work, but I'm not finding this to be the case? Am I missing something?



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