14 Mar
2016
14 Mar
'16
9:42 a.m.
Indeed, the ports are different, that's why adding received is important
in this situation.
While local ip and local port are in most of the cases also unique for
devices behind a nat router, it is not 100% true, because there can be
many layers of NATs, which can result in seeing same local ip/port for
devices.
Cheers,
Daniel
On 14/03/16 13:06, 张顺通 wrote:
source IP is same, But port is different。
like INVITE sip:Linphone_nat_Ip:Linphone_nat_port;tcp;
2016-03-14 18:26 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com
<mailto:miconda@gmail.com>>:
Adding received information to Path helps to identify properly the
connection to be used. Because both devices are behind the same
NAT, practically they show the same source IP when they send
traffic to server.
Cheers,
Daniel
On 14/03/16 04:05, 张顺通 wrote:
--
Daniel-Constantin Mierla
http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
KA_EDGE have two IP，external public IP and
internal IP.
I add modparam("path", "use_received", 1) and replace
add_path()
to add_path_received() in edge server.
add modparam("registrar", "path_use_received", 1) in KA_REGISTER
server.
DB path info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11
<http://10.10.10.11>;lr;ob>
--> <sip:10.10.10.11;lr;received=sip:42.129.1.1:43640%3Btransport%3Dtcp>
This kind of situation very little，It is not easy to reappear.
Can you tell me why this situation happen? and Why this change
can solve the problem?
Thanks for Your Time.
2016-03-09 22:37 GMT+08:00 Daniel Tryba <d.tryba(a)pocos.nl
<mailto:d.tryba@pocos.nl>>:
On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote:
--
Daniel-Constantin Mierla
http://www.asipto.com
http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> -
http://www.linkedin.com/in/miconda
Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
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Yes，Use Path in DB. like
<sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29
<http://10.10.232.29>;lr;ob>
KA_REGISTER wile the path info in DB.
Should not be a problem if you use the use_received options in
http://kamailio.org/docs/modules/stable/modules/path.html#idp135216
and
http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.…
(and actually add the source as received on the kamailio edge
server).
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