[c-nsp] Identifying IGP passive interfaces via SNMP

[Gabor Ivanszky]

Hi Kevin,

see check_ospf plugin at 
http://noc.omnipop.cic.net/grnoc-tools/nagios-plugins.html

It uses a somehow different concept than yours (it needs the static 
configuration of neighbors list in nagios config), but addresses the 
same issue.  we use it with relatively great success.

cheers,
Gabor

Kevin Graham wrote:
> Does anyone know of a way to identify passive (either OSPF or EIGRP
> being my interest) interfaces via SNMP? With OSPF-MIB restricting
> ospfIfHelloInterval to a lower bound of 1s, a '0' hello interval
> isn't possible, and I believe EIGRP has a similar limitation.
>
> I'd like to have a stateless/config-less 'missing neighbors'
> monitoring check that would simply ensure that every non-passive
> interface has at least one adjacency. The only case that this
> wouldn't address out of the box would be a fault-partitioned
> multi-access link of 4 or more routers, which in my case is <5%
> of links.
>
> Alternatively, how do others address this? (With GRE-in-IPSec not
> supporting keepalives, the cop-out solution of just watching link
> state isn't an option).
>
>
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