Ok, my bad. Ethereal for some reason was showing only the first fragment
(ethereal bug?).
But, now it seems I have hit another problem - it seems that the SIP invites
(which are fragmented) are being dropped by the firewall in between us and the
SIP provider. Is it possible to shrink the size of the SIP invite so that it
fits in a single packet? Any optional stuff in the SIP invite that is sent,
that can be thrown away?
-Saurabh
From: [EMAIL PROTECTED]: [EMAIL PROTECTED]: Tue, 18 Nov 2008 07:34:11
+0000Subject: [Freeswitch-users] SIP Invite IP fragmentation issue
I am having an *odd* issue, which i am not sure freeswitch is to be blamed for.
Sometimes, the SIP invites are bigger than 1500 bytes causing IP fragmentation,
but when I look at the TCP dump (on the same machine as freeswitch), I see that
only the first packet of the fragment is captured. Is freeswitch trying to do
its own IP fragmentation or is it relying on underlying linux (kernel 2.6.18)?
I created a small program to send UDP packets of 2000 bytes, and also tried
with ping -s 2000, and both were successful, so am leaning towards blaming
Freeswitch. Any suggestions? -Saurabh
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