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RE: [nv-l] Netmon is to slow to ping the ping list

To: <nv-l@lists.us.ibm.com>
Subject: RE: [nv-l] Netmon is to slow to ping the ping list
From: "Colin Mulkerrins" <Colin.Mulkerrins@anpost.ie>
Date: Tue, 7 Sep 2004 09:26:31 +0100
Delivery-date: Tue, 07 Sep 2004 09:34:50 +0100
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Thread-topic: [nv-l] Netmon is to slow to ping the ping list
Hi,

Have a look at your values for the variables RES_RETRY and RES_TIMEOUT
on the AIX box.  We were having similar issues here with the client DNS
resolver taking 90 seconds to time out in the event of a failed ping,
thus delaying the next ping etc etc. We reset these two variables to 1
and things improved dramatically. (Thanks due to Jane Curry :-))

(They should be defined in /etc/environment)

Regards

Colin Mulkerrins
Enterprise Systems Management
An Post




-----Original Message-----
From: owner-nv-l@lists.us.ibm.com [mailto:owner-nv-l@lists.us.ibm.com]
On Behalf Of Maxime TRANNOY
Sent: 07 September 2004 08:58
To: nv-l@lists.us.ibm.com
Subject: [nv-l] Netmon is to slow to ping the ping list






Hello,

netview 7.1.0 on AIX using DNS for hostname resolution

I have a netview with several devices which are configured with a
polling time of 5 min. I have seen with tcpdump that the polling is
always approximatively 10 min I check with netmon -a 12 and I saw that
the size of the ping queue go until 600s so 10 min. There is no problem
between netview and DNS to get hostname resolution.

In the ping list i have 1090 elements on the IF list.

How can I tune netview in order to ping all my list in 5 min?


Cordialement.

Maxime TRANNOY
IGS - Network Delivery Support Center
Tel : +33 (0) 492 114 767
mailto:mtrannoy@fr.ibm.com



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