18 Aug
2022
18 Aug
'22
6:08 a.m.
Hello,
first: 5.2.5 is really old by now and not maintained, it is not easy
anymore to get proper answers for questions related to it. You should
upgrade to a recent release.
Kamailio has nothing to do with defragmentation of incoming UDP packets,
it is the kernel/ip stack doing it. If it is done, then Kamailio
received the entire UDP message.
You should run with debug=3 and see if Kamailio prints log messages
related to processing the SIP request. If not, then Kamailio didn't
receive it, either because it was not forwarded by kernel/ip stack or
kamailio is busy doing something else (which should be somehow visbile
from the log messages or run 'kamctl trap' to get the gdb backtraces for
all kamailio processes and look into the stored file).
Cheers,
Daniel
On 18.08.22 10:20, Ali Taher wrote:
Hello all,
Lately I faced an issue that Kamailio is not responding to some invite
packets coming from SBC. When investigating I found that these packets
exceeds MTU size.
Could this be the issue? Knowing that in Kamailio configuration I have
a condition on is_method("INVITE"). Could be that in case of packet
exceeding MTU size it’s not considered as invite packet by Kamailio?
I have Kamailio 5.2.5.
Regards,
Ali Taher
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Daniel-Constantin Mierla -- www.asipto.com
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