[j-nsp] MTU Compression

[Humair Ali]

Hi Guys

Many thanks for your feedback,

The issue is that the circuit is limited by their kit to 1518 and can't
provide more ,

There is MPLS headers on top on top of the 1518,

We have manage to get a resolution with the provider to be put on different
circuit through a hardware that does supports more than 1518.

So hopefully we will be able to provide the service without having to tweak
the MSS.

Many thanks for your help guys

Much appreciated

On 7 July 2010 21:12, Robert J. Huey <rhuey at anzus.com> wrote:

>
> The motivation for this requirement is not all that clear and I suspect may
> have some bearing on a solution.    Is the backbone requirement because your
> forwarding on MPLS headers?  If so, I do not think that any of the MSS
> tweaks are going to help you.   Unfortunately, your third party circuit
> leaves you very little wiggle room, you might just be out of luck on that
> path.   Conversely, if the requirement is coming from the application side,
> you might consider a WAN Optimization Controller....     It's not a straight
> forward payload compression thing, but I think that they can operate in any
> point-to-point Ethernet environment and effectively proxy the TCP sessions
> locally.  that might get you bye.  good luck
>
> rgds,
>    --r
>
>
>
> On Jul 7, 2010, at 1:59 AM, Humair Ali wrote:
>
> > Hi All
> >
> > MX480
> > Junos 9.6 R3
> >
> > We are experiencing some MTU issue on one of our circuit.
> >
> > We have been provided a circuit by a 3rd party provider that only
> supports
> > MTU size 1518,
> >
> > Unfortunately it seems they cannot provide Jumbo Frames,
> >
> > However for our backbone we required to have Jumbo Frames supported.
> >
> > My question is , is there any such option as MTU compression available ?
> >
> > something that would allow a packet of 9192 coming into our MX480 , then
> be
> > comrpessed to 1518 accross the Circuit provider link, then De-compress on
> > our MX480 on the other end ?
> >
> > I have been looking on docs but couldnt anything as such
> >
> > your help much appreciate, if someone came accross similar and found a
> > workaround , please share
> >
> > Thanks
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>
>