The Cisco AVVID guru's just told me to bail on LLQ and go to CBWFQ instead.
Problems with code or just works better according to them.
Tony
#6172
----- Original Message -----
From: Michael L. Williams
To:
Sent: Sunday, June 03, 2001 8:56 AM
Subject: Re: VoIP QoS [7:6586]
> I thought 768Kbps was the minimum you needed NOT to use LFI....... at
> 768Kbps, it takes ~15ms for a 1500byte frame to be put on the line. So
even
> if a couple 1500-byte ethernet frames came between your voice frames, it
> would wouldn't be too bad....... but depending on the queuing method, even
> at 768Kbps, the regular ethernet traffic could indeed cause a
problem.......
> you could use a priority queue to make sure that all the voice traffic
> *always* goes through before any of the other traffic, but from what I
> understand the LLQ is much better for these purposes.
>
> Mike W.
>
> "Brian" wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > What codec are you using? If the speed of the link is T1 or less I
would
> > definitly do LFI. Otherwise large packets (1500 bytes) could be starving
> > the voice from the minimum latency that it needs.
> >
> > Brian
> >
> >
> > On Thu, 31 May 2001, Amit Gupta wrote:
> >
> > > Hi Everybody,
> > >
> > > I have configured the following parameters on the
> > > serial interface for VoIP.The quality of the calls is
> > > not very good during working hours you can feel some
> > > delay/small interruptions while using it.
> > >
> > > interface serial 0
> > > ip tcp header-compression iphc-format
> > > no ip mroute-cache
> > > no fair-queue
> > > ip rtp header-compression iphc-format
> > > ip rtp priority 16384 16383 64
> > >
> > > Could anybody suggest any other alternative to improve
> > > the quality.
> > > Will removing the compression help ?
> > > Do I need to have something like Link Fragmentation
> > > and Interleaving configured.
> > >
> > > Thanks
> > >
> > > Amit
> > >
> > >
> > >
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> >
> > Brian Feeny,CCDP,CCNP+VAS Scarlett Parria
> > [EMAIL PROTECTED] [EMAIL PROTECTED]
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> >
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