topic Wism2 SNMP Authentication Failure in Wireless

Wism2 SNMP Authentication Failure

mages_mark — Sun, 04 Jul 2021 03:46:39 GMT

I cannot seem to communicate with my new Wism2 via SNMP.

The configuration is the same as on my Wism 1, same version of code, same SNMP settings and strings and subnets.

Slot Controller Service IP Management IP SW Version Controller Type Status

----+-----------+----------------+----------------+------------+------------------+---------------

1 1 192.168.10.2 10.XX.XX.10 7.0.116.0 WS-SVC-WISM-1-K9 Oper-Up

1 2 192.168.10.3 10.XX.XX.15 7.0.116.0 WS-SVC-WISM-1-K9 Oper-Up

3 1 192.168.10.4 10.XX.XX.20 7.0.116.0 WS-SVC-WISM-2-K9 Oper-Up

SNMPWalk of the Wism1 controllers is fine. SNMPWalk of the Wism2 just gets me a timeout.

The snmplog does occasionally register an Authentication failure

Trying V1 and V2c with the same results.

Any advice?

Wism2 SNMP Authentication Failure

mages_mark — Wed, 14 Sep 2011 21:17:58 GMT

So - I can snmpwalk, just not to the untagged management interface. The tagged controller interface in the same VLAN as my host computer seems to work.

Any ideas why this is? Not all of my SNMP widgets are going to be able to work around this.

Wism2 SNMP Authentication Failure

Stephen Rodriguez — Wed, 14 Sep 2011 21:25:54 GMT

on thew new WiSM2 did you issue the command config network-mgmt-via-dyamic interface enable?

by default the WLC has issues with responding to requests from the wire, for a subnet that it is configured to use. The above is the workaround to this situation.

Per the best practices guide, "It is important to avoid configuring a dynamic interface in the same sub network as a server that has to be reachable by the controller CPU, for example a RADIUS server, as it might cause asymmetric routing issues."

HTH,

Steve

Wism2 SNMP Authentication Failure

mages_mark — Wed, 14 Sep 2011 21:33:52 GMT

>by default the WLC has issues with responding to requests from the wire, for a subnet that it is configured to use.

OK - that could be it.

I tried it via a machine on a subnet not served up as a dynamic interface, and it worked fine.

Thanks!