[c-nsp] pseudo standby - FWSM

[Andrew Yourtchenko]

This should not happen. Fire up a TAC case, please.

The trigger was you most probably were trunking a different set 
of VLANs to two modules.

"sh vlan" on each of them would show what VLANs the FWSMs see.

thanks,
andrew

On Fri, 20 Jan 2006, szilard csordas wrote:

> Hello!
>
> Because it is a productive network we had to fix it as fas as we could.
> that is why i couldnt do the troubleshooting in a more detailled way.
>
> but when i tried to switch on the failover on the standby unit, it sad:
>
>
> FWSM(config)# failover
>        Detected an Active mate
>
>        Vlan configuration mismatch
>        Failover will be disabled
>
>
>
> FWSM# sh failover
> Failover Off (pseudo-Standby)
> Failover unit Secondary
> Failover LAN Interface failoverlan Vlan x
> Unit Poll frequency 500 milliseconds, holdtime 3 seconds
> Interface Poll frequency 3 seconds
> Interface Policy 1
> Monitored Interfaces 18 of 250 maximum
> failover replication http
>
>
> the active unit was working properly. my problem is, if the standby
> says: failover is off, then why does it answer  ARP requests and a
> strange pseudo-Standby state?
>
> i saw in a device's log connected to FSMS's inside interfce the following:
>
> %FWSM-4-405001: Received ARP request collision from IP A/MAC X
> %FWSM-4-405001: Received ARP request collision from IP A/MAC Y
>
> MAC X is primary's mac
> MAC Y is standby's mac
>
> rgs,
> szilard
>
> Dale W. Carder <dwcarder at doit.wisc.edu> írta:
>
>> What does "sh fail" say on either fw module when you get
>> into the funny state?
>>
>> Dale
>>
>> Thus spake szilard csordas (redmond at freemail.hu) on Tue, Jan 17,
> 2006 at 10:32:18PM +0100:
>>>
>>> Has anyone else seen this "pseudo standby" state?
>>> I haven't found usefull information on cisco.com
>>
>>
>
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