[cisco-voip] QoS for Circuit Emulation over IP ?

[Scott Voll]

I'm with Jason.

if the traffic is not marked by default.... mark it as close to to the
ingress as possible.  IE. at the 2800 mark it so as it goes across your
network it's marked all the way.  Since it's Voice I would mark it with DSCP
EF like your other voice traffic so autoQOS could still be your friend. (but
my Qos is almost as bad as yours)

Scott
On Dec 27, 2007 5:14 PM, Jason Wydra <jasonwydra at gmail.com> wrote:

> Not sure about Aspect phones. Do they automatically mark for voice
> traffic? If not, then I believe you need to manually mark voice traffic on
> the ingress switch ports.
>
>   On Dec 27, 2007 6:22 PM, d4rk f1br <d4rkf1ber at gmail.com> wrote:
>
> >   I am in the midst of deploying two Cisco 2821's, each of them contain
> > a NM-CEM-4TE1.  Each 2821 connects to a 6509.  Each 6509 is connected via
> > gig fiber links.
> >
> > The T1 side of each 2821 connects to some Aspect system.
> >
> > Anyway, I have things up and working, the circuit emulation is working
> > and the remote Aspect shelf comes up which in turn brings up the Aspect
> > phones.
> >
> > Voice quality is not perfect though, and I need to figure out some QoS
> > to try to ensure this traffic gets the highest priority.
> >
> > Not sure the best way to approach this, as I suck (MAJOR SUCK) at QoS,
> > my track record thus far is umm... well lets move on, thank god for
> > autoqos!  :-)
> >
> > My guess is I have to do something on the 2821s although I am not sure
> > if that really is needed since the only thing the 2821's do is handle this
> > single T1.
> >
> > I am certain the 6509's are going to need something to prioritize the
> > traffic coming in from the 2821's and ensure that this traffic takes
> > precedence both coming in and leaving.
> >
> > I got the QoS SRND (my Cisco sales engineer sent it to me when I asked
> > about suggestions related to this)  gee thanks huh... 300+ pages of qos
> > material... yeah!
> >
> > Trying to narrow down what I need to look for and research, not asking
> > for a cut and paste example config, as I know every network is different.  I
> > am just not sure where to approach this from.
> >
> > Anything special about the circuit emulation I would need to consider,
> > do I tag it some how the same as my other voip traffic for the cisco
> > phones?  Not sure where to start looking you know, so any suggestions or
> > tips would be appreciated.
> >
> > Thx!
> >
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> >
>
>
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