nv-l

RE: [NV-L] Traps by hostname

2007-06-01 15:50:20
Subject: RE: [NV-L] Traps by hostname
From: James Shanks <jshanks AT us.ibm DOT com>
To: Tivoli NetView Discussions <nv-l AT lists.ca.ibm DOT com>
Date: Fri, 1 Jun 2007 15:41:51 -0400

The general answer is "no". You cannot see the same trap twice, once with a hostname and once with an IP Address. NetView uses name resolution wherever possible, and displays a particular trap only once.

However, certain traps such as NetView's Interface Down/Up contain the IP address as a separate varbind, varbind 7,and you can modify the trap format in trapd.conf, using xnmtrap, to display both. For example, the current format for the Event Log message for IBM_NVIUP_EV (58916866) is given as simply "$3", which is the 3rd varbind. Netmon supplies it as "Interface <name> up". But you could add to it, say for example,
"$3. IP ADDRESS = $7"
and the event should display showing the IP Address as well. You could change the IBM_NVIDWN_EV (58916867) in a similar fashion.

For Node Up/Down events (58916864 and 58916865), varbind 8 contains a comma delimited list of all the interfaces on the node. You could alter those events to display that list if you desired.

For non-NetView vendor events you are restricted to whatever they send in their traps.

You can learn more about the contents of NetView internal traps in Appendix A of the Administrator's Guide. I'd use the 7.1.5 documentation even if you have 7.1.4, because it was rewritten to be more complete and a number of old errors were expunged. It's more likely to correct than the 7.1.4 doc, even if it documents a couple of traps you don't have.
http://publib.boulder.ibm.com/infocenter/tivihelp/v3r1/index.jsp?toc=/com.ibm.itnetview.doc/toc.xml


James Shanks
Level 3 Support for Tivoli NetView for UNIX and Windows
Network Availability Management
Network Management - Development
Tivoli Software, IBM Corp
Inactive hide details for "Santhanakrishnan Janakiraman (IT Services), Chennai" <santhanakrishnanjn AT hcl DOT in>"Santhanakrishnan Janakiraman (IT Services), Chennai" <santhanakrishnanjn AT hcl DOT in>


          "Santhanakrishnan Janakiraman (IT Services), Chennai" <santhanakrishnanjn AT hcl DOT in>
          Sent by: nv-l-bounces AT lists.ca.ibm DOT com

          06/01/2007 02:27 PM
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RE: [NV-L] Traps by hostname

Hi,

Thanks for your reply. I understand what you said but my question is whether i can able to get two entries at the same time in trapd.log, one with IP address and another with hostname when an event occurs.

Thanks & Regards

SanthanaKrishnan.J

Office: 044-28221129 Ext-2206

Mobile: +91- 9840943639




From: nv-l-bounces AT lists.ca.ibm DOT com [mailto:nv-l-bounces AT lists.ca.ibm DOT com] On Behalf Of James Shanks
Sent:
Wednesday, May 30, 2007 9:51 PM
To:
Tivoli NetView Discussions
Subject:
Re: [NV-L] Traps by hostname

If you get a NetView trap which is not resolved, then you have a DNS problem. Most likely the reverse look-up, IP address to hostname, is missing. Both netmon and trapd do everything they can to use hostnames rather than IP addresses in the traps which netmon sends and trapd displays. If a NetView trap, e.g., Node Down, shows up in trapd.log with an IP address instead of a hostname, then it's a fact that netmon's gethostbyaddr call failed to provide one.

The same is true for a non-NetView trap. If a non-NetView trap is shown in trapd.log with an IP address rather than a hostname, then trapd's gethostbyaddr call failed to provide one.

Try using the nvgethost command in /usr/OV/bin. You should get the same results when you use the hostname and when you sue the IP address. If they differ, then you have a problem to resolve.

James Shanks
Level 3 Support for Tivoli NetView for UNIX and Windows
Network Availability Management
Network Management - Development
Tivoli Software, IBM Corp
Inactive hide details for "Santhanakrishnan Janakiraman (IT Services), Chennai" <santhanakrishnanjn AT hcl DOT in>"Santhanakrishnan Janakiraman (IT Services), Chennai" <santhanakrishnanjn AT hcl DOT in>

                  "Santhanakrishnan Janakiraman (IT Services), Chennai" <santhanakrishnanjn AT hcl DOT in>
                  Sent by: nv-l-bounces AT lists.ca.ibm DOT com

                  05/30/2007 11:30 AM

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[NV-L] Traps by hostname

Hi,

Iam using Netview 7.1.4.4 on AIX 5L , DB is Oracle 9i.
Do netview send trap by Hostname, already iam getting trap by IP address. Can I able to get trap by both identity when an event occurs. Please advice me on this

Thanks & Regards
SanthanaKrishnan.J

Office: 044-28221129 Ext-2206

Mobile: +91- 9840943639

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