-----Original Message-----
From: Bill Painter <william.t.painter@lmco.com>
To: bill panter <william.t.painter@lmco.com>; NV-L@UCSBVM.UCSB.EDU
<NV-L@UCSBVM.UCSB.EDU>
Date: Thursday, February 17, 2000 6:24 PM
Subject: Fw: Ping list not getting pinged?
>
>-----Original Message-----
>From: Leslie Clark <lclark@US.IBM.COM>
>To: NV-L@UCSBVM.UCSB.EDU <NV-L@UCSBVM.UCSB.EDU>
>Date: Wednesday, September 22, 1999 8:20 PM
>Subject: Re: Ping list not getting pinged?
>
>
>This thread seems to have two subjects going on, an of course I have
>opinions on both of them.
>
>The netmon option (undocumented) that controls how many outstanding
>ping requests you can have is -q. It is 16 by default in V5, and may be set
>as high as 32. You can tell what it is set to by the number of entries at
>the
>top of the output (in netmon.trace) of netmon -a 3. Note that the increase
>does NOT seem to apply to the number of outstanding snmp requests
>(wouldn't THAT be nice!) Just add -q 32 to the netmon.lrf file and process
>it
>manually (ovdelobj, ovaddobj, stop/start netmon).
>
>Usually the red things you are talking about are considered false alarms,
>and are due to having too short a timeout or retry setting. However there
>was recently a lengthy discussion on this forum about network
>characteristics
>that lead to lost pings that tuning timeouts won't help. A bunch of clues
>but
>nothing conclusive, I think. You might want to search the archives for the
>last
>15-30 days, unless it clears up with the tuning of the timeouts.
>
>I've got one customer where this is a continuous problem. I went so far as
>to set up a rule to ping the interface when there is an interface down
>event,
>and found that the script would have to actually sleep about 30 seconds
>before pinging, for the ping to get through. I have no idea. I'm a software
>person. But Netview is doing its job in reporting that there is SOME kind
>of problem.
>
>Cordially,
>
>Leslie A. Clark
>IBM Global Services - Systems Mgmt & Networking
>
>
>We are experiencing a problem where a node will appear to go down, and it
>will
>stay red. If I go in and manually ping the node then Netview will send a
>node
>up message and the node will go green again. Can anyone suggest some
>diagnostics?
>
>Thanks
>Bill Painter
>william.t.painter@lmco.com
>
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