RE: community name changes

2001-07-31 10:21:46
Subject: RE: community name changes
From: "Thomas Kunz" <t-kunz AT admin.ndis.umn DOT edu>
To: nv-l AT lists.tivoli DOT com
Date: Tue, 31 Jul 2001 09:21:46 -0500
We are at 6.01 and AIX 4.3.3 and have also seen this problem. Could someone 
reply with all the specific files that you are referring to? (i.e. community 
names files ...)
Do I update these files through Netview or through AIX?

Thanks and have a great day!  :-)
Tom Kunz
OIT/PTS Network & AIX Systems Support
University of Minnesota
1300 S. 2nd St.
Mpls., MN. 55454-1083
Suite 660
Phone: 612-624-8086
Fax: 612-626-1332
Email: t-kunz AT cafe.tc.umn DOT edu

>>> scott_barr AT csgsystems DOT com 07/31/01 07:45AM >>>
I have seen this behavior and I am running 6.02. I changed global default
and left the community names file empty. Later, after doing initital
discovery I put my company-defined community string in and added nodes to
discovery. From time to time, I have to go in and whack the public entry. No
idea why this happens but the trigger is when I see routers sending in SNMP
authentication failure traps. I know there is something screwy here but I
haven't been able to make it happen in a controlled fashion.

-----Original Message-----
From: owner-nv-l AT tkg DOT com [mailto:owner-nv-l AT tkg DOT com]On Behalf Of 
Sent: Monday, July 30, 2001 8:18 PM
To: IBM NetView Discussion
Subject: Re: [NV-L] community name changes

Don, I have seen confusing behavior in this area a lot.  First, do you know
that at 6.01, public is used as if it were in the alternates file whether
want it or not, and at 6.02 it is not used unless specified?  I hope you
are at 6.01,
because the explanation would be easier. The next odd thing I have been
seeing is the insertion of bogus communities. But I believe that in almost
case those turned out to be for nodes that had name resolution problems.
up the name resolution in both directions and a couple of demandpolls ( or
rediscovering the node) cleared it up. I know, I know, you couldn't
possibly have
any name resolution problems....;) My routine now includes:

fix any name problems for the node
delete any related xnmsnmpconf entries (name or address)
demandpoll (it will always work, because it tries everything)
check snmp using one of the MIB appls, which only checks xnmsnmpconf

If it works for Monitor..MIB Values..System Info, then it should work for
snmpCollect, I think. The snmpCol.trace will tell you if it also has name


Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking

"Davis, Donald" <donald.davis AT firstcitizens DOT com>@tkg.com on 07/30/2001
05:39:38 PM

Please respond to IBM NetView Discussion <nv-l AT tkg DOT com>

Sent by:  owner-nv-l AT tkg DOT com 

To:   "'NV-L AT tkg DOT com'" <NV-L AT tkg DOT com>
Subject:  [NV-L] community name changes

For the sake of this discussion, let's say that my Global Default community
name is "raleigh".

I have a default communityNames.conf file with no entrys (all comments).

I am NOT using the "-h" netmon flag. (alternate community strings during

Nodes using "raleigh" mysteriously are being added in xnmsnmpconf with a
unique community name of "public".

This really messes up SNMP data collection statistics :(

Has anyone else seen this?
What is happening here?

How do I turn this "feature" OFF ?

Don Davis
Systems Engineer Consultant
Enterprise Management
First Citizens Bank
100 East Tryon Road
Raleigh, NC. 27603-3526


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