[c-nsp] SNMP-Check of DMVPN Tunnels?

[David Prall]

Tunnel Health Monitoring:
http://www.cisco.com/en/US/docs/ios/sec_secure_connectivity/configuration/gu
ide/sec_dmvpn_tun_mon.html

NHRP MIB
http://www.cisco.com/en/US/docs/ios/sec_secure_connectivity/configuration/gu
ide/sec_dmvpn_nhrp_mib.html

I just know they exist, haven't dug deep into them as of yet.

David

--
http://dcp.dcptech.com


> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Garry
> Sent: Wednesday, November 03, 2010 2:09 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] SNMP-Check of DMVPN Tunnels?
> 
> Hi,
> 
> we've set up a customer with a DMVPN with multiple sites, including
> redundant routers and links. Now, using regular Layer3 methods, it's
> not
> possible to check whether a DMVPN link is up or not, e.g.: Site A has
> two Hub routers, Site B has two spoke routers. Both Spoke routers
> connect to both hub routers. EIGRP takes care of the routing,
> preferring
> the link between the two primary routers. Using ICMP, all I can see is
> that I can reach both spoke router's DMVPN IPs. I can't tell though,
> whether B2 has an active tunnel to A2, as the routing via A1-B1 link.
> 
> Are there any SNMP fields I can query to see whether the links are up?
> 
> Tnx, Garry
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