[c-nsp] 3750 stack member failure detection

[Kevin Graham]

>> Does anybody know how to detect a stack member down within a 3750 stack
>> through SNMP ?
>
> You could count how many interfaces are available.

It'd be a lot more effective to just watch the IF-MIB::ifOperStatus of the
stack ports. I haven't checked, but I would think that counting interfaces
wouldn't work, as they'd show up in IF-MIB::ifTable as soon as the stack
member was provisioned.