Re: Admin Down Interface

1998-10-20 03:12:46
Subject: Re: Admin Down Interface
From: Michael Seibold PTS/M-SW <mseibold AT STR.DAIMLER-BENZ DOT COM>
To: nv-l AT lists.tivoli DOT com
Date: Tue, 20 Oct 1998 09:12:46 +0200
Our experience with this is as follows (NV5.0 / AIX):

o Netview will recognize the interface beeing up again without removing
it manually

o Netview will not even recognize that it is shutdown when another
devices has now the IP-address of the shutdown interface and is
responding to the status pings. Even a configuration poll won't change
Netview-DB's, though it recognizes that the old IP-address is no longer
defined on this shutdown interface. The "old" interface has to be
deleted from all maps manually.

o Check the events for duplicate IP-address-events coming from netmon to
discover such situations.

-> Best method so far is to delete interfaces manually if the ip-address
is no longer defined on the router.

Michael Seibold
debis Systemhaus GmbH

James_Shanks AT TIVOLI DOT COM wrote:
> I believe this is a timing issue.  NetView will not be aware of  the change
> until he does a config poll and the default time for that is once a day.
> So if you want anything before that you would have to delete and rediscover
> or do a demand poll at least.
> James Shanks
> Tivoli (NetView for UNIX) L3 Support
> Simon Huang <SIMON.HUANG AT CHASE DOT COM> on 10/16/98 09:08:21 AM
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
> cc:    (bcc: James Shanks)
> Subject:  Admin Down Interface
> Hi,
> When Netview discovers an interface that is administratively down, it tags
> an "AD" to the end of the selection name of that interface.  My question is
> when the interface is later changed from admin down to up (in the router
> config), will Netview automatically remove the AD tag?  Or we must manually
> remove the interface and let Netview rediscover it with the correct status?
> Thanks
> Simon Huang

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