SNMP monitoring for EoMPLS virtual circuit

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Jun 18th, 2007
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I am looking to implement SNMP-based monitoring of an MPLS layer-2 tunnel. The desired result would be the same as the output from the following command:


"sh mpls l2transport vc"


I have configured the router to generate SNMP traps based on LDP changes, but this is not specific to the status of the EoMPLS tunnel.


Thanks in advance.

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swaroop.potdar Mon, 06/18/2007 - 04:46
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Polling to these MIB values would have your task accomplished.


1) VC status <--> cpwVcOperStatus


2) If you need outbound staus <--> pwVcInboundOperStatus


3) Inbound status <--> cpwVcOutboundOperStatus


And here is the link for list of MIB objects for L2VPN.


http://www.cisco.com/en/US/products/ps6441/products_configuration_guide_chapter09186a00808194e1.html


HTH-Cheers,

Swaroop



vital-group Mon, 06/18/2007 - 08:00
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Swaroop,


Thanks for the info. This works great on 12.4 and 12.2SB. I forgot to mention that I'm actually looking for a solution for CAT 6500 + Supervisor 720 running 12.2SX. I don't think these particular MIB values exist on this platform :(


Any ideas?

vital-group Tue, 06/19/2007 - 02:11
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The Supervisor 720 on 7600 will run 12.2SR, but unfortunately I have a 6500 chassis.

Swaroop,


Unfortunately it seems the 6500 will only run 12.2SX. According to the Cisco IOS MIB locator this does not support the CISCO-IETF-PW-MIB.


I am quite surpised, since this is supposed to be Cisco's flagship multilayer switch.


Thanks for your help. Please let me know if you have any other suggestions.

swaroop.potdar Tue, 06/19/2007 - 12:59
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I am not sure of you post, as the IOS compatibilty is with the supervisor.


And since you have a Sup720, this supervisor is compatible with 12.2SR as well.


Chassis wont matter.


Let me know if you have any more questions.


HTH-Cheers,

Swaroop

swaroop.potdar Wed, 06/20/2007 - 04:59
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Yes, thats funny and true..SUP-720 on 6500 doesnt support 12.2SR as per SW Advisor.


I dont think there is any technical limitation to do so. But it probably is a internal business limitation.


The BU which own up SR is different from the BU who was working on till SX, hence the stark contrast.


HTH-Cheers,

Swaroop

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