[Asterisk-Users] Can you comment on this Qos script? How does one shape RTP?

[trixter http://www.0xdecafbad.com]

I used the one posted to this list and for a test did a
speedtest.dslreports.com bandwidth test duringa call, no loss in
quality. 

I set ports 10000-11024 to RTP in rtp.conf, I dont need 10k ports for
that as I have few calls being processed.  I also added sip to the queue
although that prolly doesnt matter becuase its such a low bandwidth
protocol comparitevly speaking.


# udp/5060 is SIP
  tc filter add dev $DSLDEV parent 1:0 protocol ip prio 1 u32 match ip
dport 506
0 0xffff match ip protocol 17 0xff flowid 1:0
  tc filter add dev $DSLDEV parent 1:0 protocol ip prio 2 u32 match ip
sport 506
0 0xffff match ip protocol 17 0xff flowid 1:0

# udp/10000-11024 is RTP
  tc filter add dev $DSLDEV parent 1:0 protocol ip prio 1 u32 match ip
dport 100
00 0xf670 match ip protocol 17 0xff flowid 1:0
  tc filter add dev $DSLDEV parent 1:0 protocol ip prio 2 u32 match ip
sport 100
00 0xf670 match ip protocol 17 0xff flowid 1:0



On Mon, 2005-04-11 at 07:08 -0700, Sean Kennedy wrote:
> Honestly, the best script I've ever found is the wondershaper script ( 
> google it ).  I tried the correct one posted in this thread, tried 
> modifying it, but in the end I just used wondershaper.
> 
> Does a great job.  My only fear is it doesn't specifically target IAX2 
> traffic as high priority, but I can modify it later to do so if needed. 
> 
> On a 192 line I am able to get 4 ulaw ( IAX2 ) calls out with no 
> noticable problems.  Along with someone streaming a shoutcast station ( 
> sigh ).  The station broke up, but the calls didn't.
> 
> cmisip wrote:
> 
> >I got this from the voip wiki but the original script didn't seem to
> >work right so I fiddled with it a little bit.  I am no expert so maybe
> >someone can look at it for errors.  This is for my cable connection.  So
> >far asterisk seems to use 1:10 while all other traffic uses 1:102.  How
> >does one packet shape RTP?  
> >
> >Thanks for any help.
> >
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-- 
Trixter http://www.0xdecafbad.com
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