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Re: Optivity/ATM switch bug

To: nv-l@lists.tivoli.com
Subject: Re: Optivity/ATM switch bug
From: Don Sykes <dsykes@INTERPATH.COM>
Date: Sat, 27 Feb 1999 11:46:09 -0500
Reply-to: Discussion of IBM NetView and POLYCENTER Manager on NetView <NV-L@UCSBVM.UCSB.EDU>
Sender: Discussion of IBM NetView and POLYCENTER Manager on NetView <NV-L@UCSBVM.UCSB.EDU>
I agree with David on this one being an isolated incident, at least in our experience.  We are currently running v3.2.2.1 on our 5000BHs and Optivity NMS 8.1 in our production network and have not run into this problem.  We did recently run into an interoperability issue between the 5000BH and Fore ASX switches using PNNI and ILMI which took down a few segments of our network, but we haven't seen the 5000BH reboot while using any Optivity tool.  (at least not so far!!  :-) We use Expanded view and Omniview very regularly.)
-----Original Message-----
From: David Easter <David_Easter@BAYNETWORKS.COM>
To: NV-L@UCSBVM.ucsb.edu <NV-L@UCSBVM.ucsb.edu>
Date: Friday, February 26, 1999 6:28 PM
Subject: Re: Optivity/ATM switch bug


Just FYI, I've seen no official recoginition of this issue internally at Nortel Networks. This may have been an isolated incident or a product of an environmental issue.

Expanded View does an "SNMP Get" to obtain status of a port. Since thousands, if not millions, of SNMP gets are done to the 3.2.2 MCP every day - and we're not getting any other reports of every instance of Expanded View crashing a switch - I would classify this as an isolated incident. If other are seeing this, I'd strongly recommend calling the TSC to confirm and get a CR opened against the issue!

As for fault_correlator_filter, it does work - done it many times myself. No real magic - just run the script and the startup flags for the trap_server will be modified. Since it's just a script, you can look through it and try the steps manually if you think the script itself is failing.

-David J. Easter
Sr. Product Manager - Optivity NMS, Network & IP Services Management Division
Bay Networks/Nortel Networks - How the world shares ideas.

At 10:39 PM 2/20/99 -0000, Paul Anderson wrote:
Hello all, Thought I'd pass on a problem I ran into today. Whilst investigating a slow response problem I attempted to obtain the status of a port in Expanded View. This upset the agent to the extent that it rebooted the 5000BH and took down our ATM network...you can imagine my embarrassment!!!!! The agent is an MCP v3.2.2 handle with care!!!! Incidentally...can anyone confirm whether the fault_correlator_filter off command actually works? It doesn't seem to do anything on our system!?! regards paul
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