I have a pair of 5 pairs of active/standby ASA firewalls running 8.4.4(1)
All the active firewall respond to the SNMP requests, but the standby firewalls do not. I'm using SNMP v3. The configuration of primary and secondary firewalls is replica of each other, apart from the ip addressess.
I want the secondary firewall to respond to SNMP requests coming in from the monitoring server. Can someone please help ?
Assuming you can ping both firewalls, the problem is that the firewall pair shares the same config and therefore, the same SNMPv3 engineID. Some NMSs (e.g. WhatsUp Gold) do not support this and therefore only 1 firewall in the pair can be queried.
Doesn't look like this has been fixed yet:
Bug info: CSCtl88556 - ASA5520 failover pair has duplicate snmp v3 engine id
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