Bill,

Thanks, that is what I was hoping the polling would look act like.

For the retries, is that the "device threshold" under the network menu for
"down"?

I also am guessing that this setting is global for the map?

We are also going to try and move intermapper from the Sun server to a
different UNIX platform and see if that makes a difference.

Steve

-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of William W. Fisher
Sent: Tuesday, January 25, 2005 2:55 PM
To: InterMapper Discussion
Subject: Re: [IM-Talk] DOWN outages because of no response to ICMP Echo
polling - has anyone else had this type of problem


On Jan 25, 2005, at 2:17 PM, Steven Good wrote:

> One other question, with a polling cycle of 1 minute, could I do 4
> retries
> with 10 second timeouts, or do you double the timeout between retries?
> When does the next polling cycle timer start at the end of the last
> retry?

The timeout is static; if you specify a 10 second timeout, the timeout
is consistently 10 seconds.

The polling cycle timer starts at the beginning of a poll. For example,
4 attempts with 10 second timeouts will take 40 seconds to fully time
out. With a poll interval of 1 minute, the next poll would start 20
seconds after the final request timed out.

If the polling cycle itself takes longer than the poll interval, the
next polling cycle does not start until the current one ends. If you
specified 8 attempts with 10 second timeouts, it will take 1 minute 20
seconds for the poll cycle to fully time out. With a 1 minute poll
interval, the next poll would start immediately after the final request
times out (ie in 0 seconds).

Regards,

Bill Fisher
Dartware, LLC


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