nv-l

Re: [nv-l] Duplicate IP Address

2003-03-27 11:07:05
Subject: Re: [nv-l] Duplicate IP Address
From: Gareth Holl <gholl AT us.ibm DOT com>
To: nv-l AT lists.tivoli DOT com
Date: Thu, 27 Mar 2003 10:32:10 -0500
This functionality was re-added to version 6 as part of APAR IY23019. It was included in maintenance release 6.0.3 for version 6 and maintenance release 7.1.2 for version 7.

To enable the generation of the duplicate IP Address event, an environment variable needs to be added to the "/usr/OV/bin/netnmrc.pre" file. Add the following variable:

NV_NETMON_GENERATE_DUP_ADDR_EVENT
=TRUE.

You will have to restart all daemons (including nvsecd) for this variable to be added to NetView's environment



Gareth Holl
Staff Software Engineer
gholl AT us.ibm DOT com

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



"Oliver Bruchhaeuser" <oliver.bruchhaeuser AT de.ibm DOT com>

03/27/2003 04:59 AM

       
        To:        nv-l AT lists.tivoli DOT com
        cc:        
        Subject:        Re: [nv-l] Duplicate IP Address




Scott,

unfortunately on NetView 6 no more duplicate ip address traps are generated
as it was on NetView 5.
On NetView 7.1 this feature can be reenabled by setting the following
netmon option in /usr/OV/conf/netmon.conf
-----
# Set to TRUE to generate a duplicate event as in v5
NV_NETMON_GENERATE_DUP_ADDR_EVENT=TRUE
-----
On NetView 6 I would recommend to turn on a full netmon trace for some time
with "netmon -M -1".
And:
grep Duplicate /usr/OV/log/netmon.trace*
from time to time.
This will show you something like:
10:47:28 : .//nl_snmpstate.c[6971] : Duplicate IP address 10.100.50.3 on
tivnvcisco1 and tivnvcisco2

Hope this helps ... and don't forget to stop the netmon trace again with
"netmon -M 0".

Kind regards

Oliver Bruchhaeuser
Tivoli NetView EMEA L2 Support




                                                                                                                                                     
                     "Bursik, Scott                                                                                                                  
                     {PBSG}"                  To:       nv-l AT lists.tivoli DOT com                                                                        
                     <Scott.Bursik@pbs        cc:                                                                                                    
                     g.com>                   Subject:  [nv-l] Duplicate IP Address                                                                  
                                                                                                                                                     
                     26.03.2003 16:28                                                                                                                
                                                                                                                                                     
                                                                                                                                                     




NetView 6.0.3 AIX 4.3.3

I can tell from the behavior I am seeing on a node that I must have a
duplicate IP address. Does anyone know of a way to find the duplicate? I
keep seeing an interface getting deleted and added for a node but it is
listed in the trpad.log as en0 and not the address so I cant track it
there.


Thanks,

Scott Bursik
Pepsico Business Solutions Group
Event Systems Management
972-334-3757
scott.bursik AT pbsg DOT com



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