[cisco-voip] sccp ip precedence

[Ted Nugent]

I can probably lab it this week sometime and get back
to you. You're right though the default being 5 does
not make a lot of sense.


--- Jake Rybak <jrybak at annese.com> wrote:

> With a default value of 5? So what you saying is
> that this command should
> always be changed from the default?
> 
> I do not have a dspfarm in my lab so the router will
> not initiate any sccp
> traffic to callmanager. I cannot get a capture.
> 
> My goal is to find out if this default value should
> be changed so the
> packets will map to cs3.
> 
> -----Original Message-----
> From: Ted Nugent [mailto:tednugent69 at yahoo.com] 
> Sent: Sunday, June 18, 2006 11:13
> To: Jake Rybak; cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] sccp ip precedence
> 
> Since SCCP is a signaling protocol I would guess
> that this is certainly for
> signaling and not media.
> 
> 
> 
> 
> --- Jake Rybak <jrybak at annese.com> wrote:
> 
> > Thanks. I just wanted to be 100% positive that it
> is changing the 
> > voice stream and not signaling. I guess I could
> have just captured the 
> > packets but I wasn't in place that it was
> possible.
> > 
> > As you know, MGCP and H323 you can choose
> signaling or media.
> > 
> > So being registered to a CM 3.3, the CM service
> parameter would 
> > override this anyway? Not that you would want to.
> > 
> > 
> > 
> > 
> > -----Original Message-----
> > From: cisco-voip-bounces at puck.nether.net
> > [mailto:cisco-voip-bounces at puck.nether.net] On
> Behalf Of Ted Nugent
> > Sent: Saturday, June 17, 2006 23:49
> > To: cisco-voip at puck.nether.net
> > Subject: Re: [cisco-voip] sccp ip precedence
> > 
> > Yes, that's obviously a typo, if this is your
> first day with Cisco 
> > docs then you might want to get used to it. If
> maybe you can give an 
> > idea of what you're trying to accomplish then
> maybe we can try and 
> > give you some guidance. By default at least in the
> Cisco world you can 
> > expect voice control to be tagged as IPPrec of 3
> (AF31 or CS3) and 
> > media (rtp) as IP Prec
> > 5 (EF). Unless you have a reason to mess with
> these values then why 
> > bother?
> > Again without knowing what you're trying to
> accomplish then it makes 
> > it difficult to give you any sort of advice. BTW,
> IP Prec is old 
> > school, the rest of the world uses DSCP?
> > 
> > 
> > --- Jake Rybak <jrybak at annese.com> wrote:
> > 
> > > I have a question regarding the command: sccp ip
> > precedence value
> > > 
> > >  
> > > 
> > >  
> > > 
> > > The documentation states "value = IP precedence
> > value. Range is from 1
> > > (highest) to 7 (lowest)." The following example
> > sets IP precedence to
> > > the highest possible value:
> > > 
> > > Router# sccp ip precedence 1
> > > 
> > >  
> > > 
> > > This is obviously a typo, no?
> > > 
> > >  
> > > 
> > > The default value makes it appear as though it
> > would refer to media
> > > streams.
> > > 
> > > 
> > >  
> > > 
> > > This docs suggests it is the actual signaling.
> > > 
> > >  
> > > 
> > >
> >
>
http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_command_refe
> > > rence_chapter09186a008045733b.html#wp1245396
> > > 
> > >  
> > > 
> > > This doc suggests voice streams.
> > > 
> > >  
> > > 
> > >
> >
>
http://www.cisco.com/univercd/cc/td/doc/product/voice/c_access/vg_200/config
> > > /dsp.htm#xtocid273628
> > > 
> > >  
> > > 
> > > I have always assumed it was the voice stream
> > because of the default
> > > value of 5.
> > > 
> > >  
> > > 
> > > Any clarification would be appreciated.
> > > 
> > >  
> > > 
> > > Thanks,
> > > 
> > >  
> > > 
> > > jake
> > > 
> > >  
> > > 
> > > >
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