http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/voice_c/vcprt1/vcvoip.htm#xtocid101136
*****************
Multilink PPP Configuration Example
The following example defines a virtual interface template that enables Multilink
PPP with interleaving and a maximum real-time traffic delay of 20 milliseconds,
and
then applies that virtual template to the Multilink PPP bundle:
interface virtual-template 1
ppp multilink
encapsulated ppp
ppp multilink interleave
ppp multilink fragment-delay 20
ip rtp reserve 16384 100 64
multilink virtual-template 1
***************************
Michael Fountain wrote:
> This is kinda vague, but I know there is a 'fragment' type command that can
> be used when running VOIP to break down larger packets into smaller ones so
> that the large packets do not slow down the little ones.
>
> I can't remember the command exactly, its out there on CCO somewhere, but I
> remember that it had 'fragment' in it, instead of trying to drop the MTU.
>
> Hope that will help some.
>
> >
> >One reason might be a move to voice over IP. While I am not really up to
> >speed on this yet, I recently attended Cisco sponsored AVVID training, and
> >this was a point that was made. On the internal network, having a smaller
> >MTU helps greatly on the voice over side. Voice packets suffer less delay
> >when data packets are smaller rather than larger. Voice packs don't have to
> >wait around for large data packets to go through. Less delay = better voice
> >quality.
> >
> >I asked specifically about the issues on the data side, and the instructor
> >did point out that ATM, with a packet size of 53 bytes, was highly
> >efficient
> >and did not cause data services to denigrate.
> >
> >I suppose there is the additional overhead of fragmenting and reassembling
> >large packets. And a major issue if the DF bit is set. One more reason
> >never
> >to set the DF bit, I suppose.
> >
> >Chuck
> >
> >-----Original Message-----
> >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
> >Robert John Lake
> >Sent: Monday, June 05, 2000 9:58 AM
> >To: Clark, Jason
> >Cc: '[EMAIL PROTECTED]'
> >Subject: Re: setting mtu size on a 2611
> >
> >Hi,
> >
> >Why do you want to change the MTU size.... You are going to walk into
> >serious issues if you do.
> >
> >Robert
> >
> >
> >
> >"Clark, Jason" wrote:
> > >
> > > Good Morning
> > >
> > > I am trying to manually set the MTU size on a 2611 and am receiving the
> > > following message % Interface Ethernet0/0 does not support user settable
> > > mtu." Is it not possible to manually set the MTU size on Ethernet
> > > interfaces?
> > >
> > > TIA
> > >
> > > Jason
> > >
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