nv-l

Re: Hub gets deleted after sucessful snmp query??

1999-06-03 08:58:09
Subject: Re: Hub gets deleted after sucessful snmp query??
From: Jeff Fitzwater <jfitz AT PRINCETON DOT EDU>
To: nv-l AT lists.tivoli DOT com
Date: Thu, 3 Jun 1999 08:58:09 -0400
Not sure how to do a netmon trace but will look it up.

Thanks all for the help.

Jeff Fitzwater
Princeton University
_____________________________________

Michael Pearson wrote:
>
> Jeff I would open a problem report with support.  There is something in the
> mib that we do not like.  If it is the ifType, which I don't think is,  we
> need to know that also.  But Marks suggestions of data to gather is what we
> will need.
> Thanks
>
> Mike Pearson
> Tivoli Netview Support
>
> Jeff Fitzwater <jfitz AT PRINCETON DOT EDU> on 06/02/99 04:36:46 PM
>
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
>       NetView <NV-L AT UCSBVM.UCSB DOT EDU>
>
> To:   NV-L AT UCSBVM.UCSB DOT EDU
> cc:    (bcc: Mike Pearson/Tivoli Systems)
> Subject:  Re: Hub gets deleted after sucessful snmp query??
>
> Michael, I assume you mean the database field ID 177 for that device.
> If so, it is (ieee 802.3 csmacd).  I only know this since it shows up in
> the event stream as shown in my original message.  There is never any
> time to look at the object info since it gets deleted so quickly.
>
> Jeff Fitzwater
> Princeton University
>
> _______________________________________
> Michael Pearson wrote:
> >
> > What is your ifType?  What is its value?
> >
> > Jeff Fitzwater <jfitz AT PRINCETON DOT EDU> on 06/02/99 03:55:44 PM
> >
> > Please respond to Discussion of IBM NetView and POLYCENTER Manager on
> >       NetView <NV-L AT UCSBVM.UCSB DOT EDU>
> >
> > To:   NV-L AT UCSBVM.UCSB DOT EDU
> > cc:    (bcc: Mike Pearson/Tivoli Systems)
> > Subject:  Hub gets deleted after sucessful snmp query??
> >
> > Problem:
> >
> > I have a Cabletron hub that gets deleted within seconds of being
> > discovered or added via LOADHOSTS.
> >
> > 1. I am running Netview 5.1.1 on Solaris.
> >
> > 2. I have no specific entry in SNMPCONF for the hub.
> >
> > 3. The default SNMPCONF community is public and NODE DOWN DELETE
> > INTERVAL is 52w.
> >
> > 4. The hub gets loaded and stays, if I don't let it get discovered via
> > SNMP (Change default community to "junk").
> >
> > 5. Once the Hub is discovered by only ICMP, I then change the SNMPCONF
> > default community back to public and do a demand poll.  The device goes
> > through the following events and gets deleted as you can see.   I can
> > repeat this at will.  It makes no difference if I give it a specific
> > SNMPCONF entry.
> >
> > 6.  The oid_to_type is set to H for HUB.
> >
> > 7.  I do know that all the hubs that act this way have the sane agent
> > code but why does Netview delete them?
> >
> > SEQUENCE of events...
> >
> > 1.      12:09:53        Node added
> > 2.      12:09:53        Interface decriptor for Lan lan0 changed to
> "lan0"
> > 3.      12:09:53        Interface lan0 up
> > 4.      12:09:53        Network mask  for lan0 Changed to 255.255.252.0
> > 5.      12:09:53        Interface Type for lan0 Changed to ieee 802.3
> > csmacd
> > 6.      12:09:53        Link address for lam0 Changed to (none)
> > 7.      12:09:53        System name changed
> > 8.      12:09:53        Node up
> > 9.      12:09:53        Interface lan0 added
> > 10.     12:10:14        Object Identifier changed to 1.3.6.1.4.1.52
> > 11.     12:10:24        System Description Changed to "MRXI Version
> > 1.04.01PR"
> > 12      12:10:24        Interface lan0 Deleted
> > 13.     12:10:24        Forwarding Status Changed -- Now a Host
> > 14.     12:10:25        Node Deleted
> >
> > Any ideas why it gets deleted???