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RE: [nv-l] monitoring IP address-less T1 interfaces

To: <nv-l@lists.us.ibm.com>
Subject: RE: [nv-l] monitoring IP address-less T1 interfaces
From: "Allison, Jason \(JALLISON\)" <JALLISON@arinc.com>
Date: Wed, 22 Sep 2004 14:39:55 -0400
Delivery-date: Wed, 22 Sep 2004 19:53:38 +0100
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The only valid information obtainable is through the router itself unless it proactively sends updates to its internal load balancing et al, which I dont think it would do.  One option would be to look through the dynamic MIB variables within the router itself.  Download the Cisco MIB definitions for this asset and determine if there are any that will give you the information you need.  My guess would be there are.
 
If you find MIB variables that can be used to make logic deicisions on you would only need to write routines to retreive the MIB data on defined intervals or though some sort of notification from the router and take action on the data the router tells you.
 
If I were you I would call the company that makes your network infrastructure and ask them:  I love your products, but how the heck can I monitor their activity with respect to blah blah blah.  Maybe they dont want you to monitor that information.
 
Best of luck,

Jason Allison
Principal Engineer
ARINC Incorporated

-----Original Message-----
From: owner-nv-l@lists.us.ibm.com [mailto:owner-nv-l@lists.us.ibm.com] On Behalf Of Qureshi, Fawad
Sent: Wednesday, September 22, 2004 2:10 PM
To: 'nv-l@lists.us.ibm.com'
Subject: [nv-l] monitoring IP address-less T1 interfaces

NV 7.1.3 / AIX 5.1

 

Hello All,

 

I posted this one sometime back but there were no takers, I will try and rephrase the challenge:

 

When multiple vBNS circuits are bundled together on one router to provide bandwidth above T1 speeds a multi-link interface is activated within the router to manage load balancing on the vBNS serial interfaces. This multi-link interface is assigned an IP address and it is this interface that is monitored by Tivoli Netview. The serial interfaces in these cases do not have IP addresses assigned and are therefore not monitored. Further, if on a two circuit multi-link interface one vBNS circuit goes down, the multi-link remains active and the circuit outage would not be detected by Tivoli.

 

Any way to monitor individual T1 interfaces that lack IP addresses?  Thanks.

 

 

Cheers

 

Fawad Qureshi

 

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