Re: [nv-l] Duplicate IP Address

[Gareth Holl <gholl@us.ibm.com>]

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@us.ibm.com

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

"Oliver Bruchhaeuser" <oliver.bruchhaeuser@de.ibm.com> 03/27/2003 04:59 AM

To:        nv-l@lists.tivoli.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@lists.tivoli.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@pbsg.com



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