nv-l

Re: Réf. : Remote Router Deleted

2000-06-11 12:58:48
Subject: Re: Réf. : Remote Router Deleted
From: lclark AT us.ibm DOT com
To: nv-l AT lists.tivoli DOT com
Date: Sun, 11 Jun 2000 12:58:48 -0400
You are right, Ken, addresses are safer, since netmon will lay down
and die if any name in the seedfile is not resolveable at startup time.
The trade-off is administration. It is sometimes harder to recognize
the addresses, and sometimes the addreses change. I also like to
be able to extract a list of routers from the discovered database and
use that for subsequent seedfile generation, and those of course
come out as names. Either way.

There is also the case where your DNS returns addresses round-robin
style when you resolve a name. In that case I think you are better off with
addresses, since they should always resolve to the same name.

Cordially,

Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
Detroit


"Ken Karasek" <KGKARASE AT hewitt DOT com>@tkg.com on 06/09/2000 11:48:22 AM

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Subject:  Re: Réf. : [NV-L] Remote Router Deleted





Leslie, would it be better to put the one interface in the seed file with
the
assigned DNS name or the IP address of the assigned DNS name?  What would
be the
result of either instance. I currently put the IP address in the seed file
in
the event that there is a problem with resolution. The primary and
secondary DNS
servers run outside of the NetView system.




From: lclark AT us.ibm DOT com on 06/07/2000 10:06 PM

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Subject:  Réf. : [NV-L] Remote Router Deleted





Alexis, it is ok to have different names on each interface. But you must
put only ONE of them in the seedfile for each node, as Paul said. Pick the
loopbacks, if they have them. Now take netmon down, delete all of those
things from the map, and anything related to them. Close the map. Do an
ovtopofix -a. And restart netmon, and the map. At this point you will be
doing
it right. If you still have a problem, then something unusual is going on.
But as it
stands, you  can expect wierd things if a device appears more than once
in the seedfile.

Cordially,

Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
Detroit

---------------------- Forwarded by Leslie Clark/Southfield/IBM on
06/07/2000 11:01 PM ---------------------------



alexis.henry AT bnpparibas DOT [email protected] on 06/07/2000 03:00:08 AM


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Subject:  Réf. : [NV-L] Remote Router Deleted






I put 6 interfaces for each router in my seed file, because each resoves
with a
different name in the DNS.
I have neither way nor authority to change this features.
Then i tried to add this interfaces in my /etc/hosts in order to have only
one
name for each router.

Some routers are now discovered but others are not. What is really strange
is
that netview discovered 4 routers (say router1, router2, ..., router4) wich
are
all connected to a router named sysa, but does not appear in any submap (i
have
only one map).
I tried to demand poll on router1 to router4 but i can't discover sysa.

If i use ovobjprint i have:

 ovobjprint -s sysa
                OBJECTID                SELECTION NAME


OBJECT: 536

        FIELD ID        FIELD NAME                      FIELD VALUE
        10              Selection Name                  "sysa"
        11              IP Hostname                     "sysa"
        133             XXMAP Protocol List             "IP"
        560             IP Name                         "sysa"

Any help would be grateful.
Thank you.

Alexis Henry
Banque Nationale de Paris.









Paul.tasillo AT tivoli DOT com on 06/06/2000 19:15:59

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Objet :   [NV-L] Remote Router Deleted



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Did you happen to seed all the interfaces for our core router in the netmon
seed file? You should seed only one interface per router (one that resolves
in the DNS perferably).

Paul Tasillo
NetView Development
Tivoli Systems, Inc.

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