Hello,
there is a patch attempting to set the tos for IPv6:
-
http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=084be456bc0fab015cf9964ac85651fa60ea77c9
For now is only for UDP, but if it works I will propagate to tcp/tls.
I tested it compiles, but had no IPv6 testbed around. If anyone can test
and report back, will be appreciated.
Cheers,
Daniel
On 3/25/13 1:40 PM, Daniel-Constantin Mierla wrote:
Hello,
On 3/22/13 9:50 PM, Klaus Feichtinger wrote:
Hello list,
in a bridging scenario with kamailio 3.3.4 and rtpproxy 1.2.1 for
bridging signalling and media from an IPv4 to an IPv6 network and
vice versa I found that the TOS value, which is set in kamailio.cfg,
is used for IPv4 packets only. IPv6 packets have the traffic class
value set to the default value 0x0. In other words: kamailio doesn´t
use this variable for IPv6 packets. In the cookbook
(http://www.kamailio.org/wiki/cookbooks/3.3.x/core#tos) I haven´t
found any hint that it _is_ limited to IPv4 only ("...for the sent IP
packages").
I know that the name "tos" may be misleading, as the original
definition was outdated by dscp+ecn, but it was/is working fine now.
However, as IPv6 is using dscp+ecn, too, I wonder if the tos variable
should support IPv6 packets, too.
Could anybody give me a hint? Is there maybe an alternative way to
prioritise SIP in IPv6 with kamailio?
Probably when it was added the IPv6 was no longer in the spot and
developer didn't bother with it. If it uses more or less same
interface to set it, then I guess it will not be hard to extend it to
IPv6. Just add it to the tracker to be visible and not to get forgotten.
Cheers,
Daniel
--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, April 16-17, 2013, Berlin
- http://conference.kamailio.com -
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