Re: [NV-L] Reg Discovery

[Leslie Clark <lclark@us.ibm.com>]

I assume that you are actually editing
the seedfile that netmon is using as seen by "ps -ef | grep netmon"
And I assume that the device is actually
not being discovered, as seen by "Locate...Object.. By Attribute...IP
Address"
There can be a few different reasons
why netmon will refuse to discover a certain node, and it is usually easiest
to figure it out from the netmon.trace file with tracing turned on.
The usual cases are:
1) The address you are trying to discover
it by is a virtual address - that is, it does not appear in the address
table of the device itself, as seen in
        rnetstat
-Ix -c community xx.xx.xx.xx | grep xx.xx.xx.xx
In that case, pick a different address
on the device to use to discover it by.
2) This happens when you are trying
to discover by a name. The name resolves to an address, but that address
does not resolve to that name. It will discard the address. 
In that case, either fix the name resolution
problem, or discover it by the address instead of the name. 
3) The address is excluded by the ranges
in the seedfile, and no address on the device is included.

If you enable tracing for netmon (netmon
-M -1)
and then ping the address you are trying
to discover
and then   grep xx.xx.xx.xx /usr/OV/log/netmon.trace
you should see some clue as to why the
device is not discovered. 

There is more about this sort of thing
in the Diagnostics Guide Chapter 2. Diagnosing IP Discovery Problems.

Cordially,

Leslie A. Clark
IT Services Specialist, Network Mgmt
Information Technology Services Americas
IBM Global Services
(248) 552-4968 Voicemail, Fax, Pager

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

06/01/2007 02:27 PM

Please respond to
Tivoli NetView Discussions <nv-l@lists.ca.ibm.com>

To	"Tivoli NetView Discussions" <nv-l@lists.ca.ibm.com>
cc
Subject	[NV-L] Reg Discovery

Hi,
I am using Netview 7.1.4.4 on AIX 5L , DB is Oracle 9i.
I have added an entry in netmon.seed file, I can able to do snmpwalk on that IP also. But I cant to able to discover the node in the MAP. The device iam trying is discover is Router. Usually I use to follow an procedure while doing discovery,

1. Ping the IP
2. Do SNMPWALK along with community name.
3. Add the IP in the seed file
4. re-read the seed file netmon -y
5. Able to get the object.
6. DO nmdemandpoll and snmpwalk without community name
Please advice me on this. Whether I need to follow any other procedure.
 

Thanks & Regards
SanthanaKrishnan.J
Office: 044-28221129 Ext-2206
Mobile: +91- 9840943639

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