[Asterisk-Users] Asterisk 1.2.1 Type of Service

[Armin Schindler]

On Wed, 4 Jan 2006, Pete Barnwell wrote:
> On Wed, 2006-01-04 at 12:16 +0100, Armin Schindler wrote:
> > On Wed, 4 Jan 2006, Steve Beaumont wrote:
> > > Armin Schindler wrote:
> > > 
> > > > On Tue, 3 Jan 2006, Steve Beaumont wrote:
> > > > 
> > > > 
> > > > > All,
> > > > > 
> > > > > I seem to have a problem with Asterisk 1.2.1.
> > > > > 
> > > > > Version 1.0.?? used to allow me to set the Type of Service bits to ef
> > > > > I.e.
> > > > > tos=0xb8 Diffserv EF (Expedited Forwarding) bits. This seems not to be
> > > > > working
> > > > > with 1.2.1:-
> > > > > 
> > > > > 
> > > > > Jan  3 19:26:26 VERBOSE[2702] logger.c:   == Using TOS bits 0
> > > > > Jan  3 19:26:36 WARNING[2701] rtp.c: Unable to set TOS to 184
> > > > > Jan  3 19:33:01 WARNING[18290] rtp.c: Unable to set TOS to 184
> > > > > Jan  3 19:37:18 VERBOSE[2702] logger.c:   == Using TOS bits 0
> > > > > Jan  3 19:37:34 WARNING[2701] rtp.c: Unable to set TOS to 184
> > > > > Jan  3 19:46:25 VERBOSE[2702] logger.c:   == Using TOS bits 0
> > > > > Jan  3 19:46:38 WARNING[2701] rtp.c: Unable to set TOS to 184
> > > > > 
> > > > > 
> > > > > Any help would be appreciated as its playing havoc with the call
> > > > > quality :-(
> > > > > 
> > > > > 
> > > > 
> > > > Do you run Asterisk as non-root ?
> > > > On Linux, only root has the default capability to set the high bits of
> > > > TOS byte.
> > > > 
> > > > Armin
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > Armin,
> > > 
> > > Thanks for the response yes, asterisk is running as user 'asterisk':-
> > > 
> > > asterisk  2670  2629  0 08:25 ?        00:00:07 /usr/sbin/asterisk -U asterisk
> > > -G asterisk -vvvg -c
> > > 
> > > This is an asterisk at home distribution Version 2.2
> > > 
> > > Any idea's how I can runn asterisk as root with asterisk at home ?
> > 
> > Sorry, I don't know anything about asterisk at home. I had the same problem 
> > with OpenPBX which is also running as non-root.
> > 
> > I managed to inherit the capability 'CAP_NET_ADMIN' which is necessary to
> > set the high TOS bits. For that I patched locally openpbx. I still have no 
> > other/better idea.
> > 
> > Armin
> 
> Assuming your Asterisk boc isn't running any other services why not
> simply set the TOS with iptables?

Sure, and even with 'other services' the iptables filter rules should do
the job.

I just like the idea of having the program doing what ever is necessary 
without other settings...

Armin