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Re: [nv-l] Authentication failure traps

To: nv-l@lists.us.ibm.com
Subject: Re: [nv-l] Authentication failure traps
From: Gareth Holl <gholl@us.ibm.com>
Date: Wed, 7 Sep 2005 07:12:18 -0400
Delivery-date: Wed, 07 Sep 2005 12:12:28 +0100
Envelope-to: nv-l-archive@lists.skills-1st.co.uk
In-reply-to: <20050907104831.D56EC27128@smtpintpos.ustri.com>
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Sender: owner-nv-l@lists.us.ibm.com

The authentication traps are most likely generated by devices in your network such as routers and your routers have been configured to send their traps to your NetView Server. Your routers are generating authentication traps because somebody is sending SNMP requests to it with the wrong community name. Unless the SNMP agents on the routers are smart enough to include the IP address (in the trap it sends to NetView) of the device trying to access your router, you won't be able to tell from a NetView perspective who is causing it.

You could try looking at the router's SNMP log....maybe your routers log that detail. Or you could try monitoring the SNMP traffic going into the router using iptrace or tcpdump or......


Gareth Holl
Advisory Software Engineer
Team Technical Lead

ITIL Foundations Certified
IBM Certified Deployment Professional
--Tivoli Data Warehouse v1.2
--Tivoli Enterprise Console v3.8 Network Management

IBM Software Group - Tivoli Software
Research Triangle Park,  North Carolina, USA.

"Anvaj A B" <anvaj.aliyarukutty@ustri.com>
Sent by: owner-nv-l@lists.us.ibm.com

09/07/2005 06:48 AM
Please respond to

[nv-l] Authentication failure traps

Netview 7.1.4 on Win2K3
Is there any way we can identify the IP / Hostname of the device, which causes the snmp traps.
I can see the origin and find out the device it is generated, but not able to find from which IP is trying to access.
Is the Authentication failure traps are generated by the NMS (NetView itself)?
Best regards,

Anvaj Aliyarukutty


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