-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Adam
Goryachev
Sent: Wednesday, April 21, 2004 2:29 AM
To: [EMAIL PROTECTED]
Subject: Re: [Asterisk-Users] Repeated Notice: (UN/REACHABLE)


Should this actually attempt more than a single ping before claiming the
remote is unreachable?
ie, one packet (out of the two - one request + one reply) might be lost
or intermittent congestion might be involved.

Perhaps a config option for setting number of consecutive ping requests
are un-responsive. Also, subsequent requests might be sooner than
otherwise queued.

ie, successfully answered probes are re-sent every 60 seconds, while
after an un-successful probe, we re-send the next probe in 10
seconds....

Just my 0.02c worth....



On a somewhat related note.  I was experiencing some random SIP UN/REACHABLE messages 
during random points during the day.  This would also come hand-in-hand with poor SIP 
call quality (jitters, stutters, etc).  Yesterday I was tryint to debug a choppy SIP 
phone and it just so happened that I was in my lab , and noticed that we were using 
Ghostcast server over multicast to send images to some new PCs.  On a whim, I 
cancelled the ghostcast session and the problem immediatly vanished.  Must be a 
misconfig on the switch (Cisco Cat 4500 with all copper 10/100/1000 ports ) cause the 
switch load was minimal, but somehow the multicast traffic was screwing with the SIP 
transmission over the wire.  Just something for other people to look for.

-sb
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