[c-nsp] customizing snmp-traps (interface description as well as physical name)

[Seth Mattinen]

Walter Keen wrote:
> Is customizing snmp-traps possible through rmon or some other means so 
> that the delivered message not only has the physical name (gi0/1, etc) 
> but also the description of that port as named in the interface config?  
> Dealing mostly with 2960's and 7600's, and trying to figure out if this 
> is possible.
> Even if I have to specify an rmon entry per physical interface, I'm 
> dealing with small enough numbers that would work.
> Something like '<int-name> <int-descr> is <down/up>' or similar would be 
> ideal.
> 
> Going to want to have this for link up/down initially, and then also 
> setup some traps for taking on interface errors, etc.
> 


Have your trap receiver do a query on the ifIndex that gets sent with 
the trap. Example with snmpget where $1 is the ifIndex value:

snmpget -v1 -Oqv -c public host ifAlias.$1 ifName.$1

This will return the "description" of that interface and its name i.e. 
Fa0/0.

~Seth