RE: [nv-l] Using @limit_discovery in a seedfile

[McGuire Larry G <Larry.G.McGuire@irs.gov>]

Was there any documentation presented during this exchange?

-----Original Message-----
From: owner-nv-l@lists.us.ibm.com [mailto:owner-nv-l@lists.us.ibm.com] On Behalf Of Jane Curry
Sent: Tuesday, March 29, 2005 1:09 PM
To: NetView mailing list
Subject: [nv-l] Using @limit_discovery in a seedfile

Following on from Paul's excellent Tivoli Support Technical Exchange
presentation on NetView discovery, I asked a question about the use of
@limit_discovery in a netmon seedfile.  Does anyone know definitively
what it does??

My understanding goes like this:
There is a "master" auto-discovery on/off switch that can be applied on
a Unix NetView from Options -> Topology status Polling.  If
auto-discovery is set to off then netmon only discovers EXPLICIT entries
in the seedfile; wildcards and ranges will have no effect.

If auto-discovery is on then wildcards and ranges can be used in the
seedfile.  The IMPLICIT imperative in a seedfile with any wildcard or
range is that anything OUTSIDE the explicit entries, wildcards and
ranges will NOT be discovered.  As Paul pointed out, a wildcard or range
does not actively go out and find anything - it simply means that if the
auto-discovery process finds a node that is included in a wildcard or
range, then it will be permitted into the NetView object database.

If these 2 understandings are correct, why use @limit_discovery?  Either
turn the "master" auto-discovery switch off and simply find explicit
entries in the seedfile, or, if you want to use ranges with the master
switch on, how does @limit_discovery in the seedfile limit discovery
beyond the normal exclusion of objects as described above?

If we get a good thread running on this, perhaps we could move it to the
NetView Tivoli User Group website for more in-depth discussions?

Cheers,
Jane

--
Tivoli Certified Consultant & Instructor
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Copyright (c) 2005 Jane Curry <jane.curry@skills-1st.co.uk>.  All rights reserved.