If I'm not mistaking there is an option to identify the router:
%ra Router IP Address
I haven't used it myself, though...
Anyway, the enhancement idea is good, but I don't see how it would
easily fit in the nfsen architecture. For instance, I would like to
keep getting the interface snmp ids, because I do my own mapping with
a backend script (static mapping). For your mapping to work, nfsen
would need to have snmp read access to your routers (which might not
be always avaialble), and you would not have much control on when
nfsen polls the routers for SNMP information.
Polling for every record would be very inefficient and can cause high
CPU usage on your routers (which is undesirable).
My recommendation, if such a feature would be developed would be to
get the mapping from a flat file/database (sqlite?), and to provide a
sample script (perl script with Net::SNMP for instance) that would
poll a device (list) and populate the file. You could then choose
when/how often to update the SNMP information.
I know that this solution is far from optimal (lookup in flat files is
slooow), but it is just a suggestion.
Assuming that this enrichment data is available, Peter could maybe add
a new format parameter that could extract the enriched information.
Actually, on further reflection, if something like this is ever
developed, it should be easily extendable, for instance, it could
display AS Names instead of AS Numbers, and maybe VLAN names instead
of vlan labels, etc.
But, I urge Peter to leave the current filter names unaltered, for
backward compatibility.
Regads,
Adrian
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