[c-nsp] Cisco MultiLink PPP
Dennis Peng
dpeng at cisco.com
Fri Mar 25 13:43:09 EST 2005
Jon Lewis [jlewis at lewis.org] wrote:
> On Fri, 25 Mar 2005, Dennis Peng wrote:
>
> > > >> were having. Am I right in thinking that MLPPP avoids the sort of
> > > >> out of order packet arrival that per-packet cef load sharing can
> > > >> cause?...while still doing nearly perfect load sharing across a
> > > >> number of T1s?
> > > >
> > > > Yes, both true..
>
> With framentation disabled and Nx parrallel/identical T1 circuits in the
> multilink bundle, are those assumptions (really just the ordering) still
> [supposed to be] true?
Yes, even with fragmentation disabled, the packet is still sent with
the multilink headers which contain the sequence number. This allows
us to maintain the ordering of the packets.
Dennis
> For the POP I converted, which is now a 4 T1 multilink group, I'm seeing
> as close to perfect load sharing as can be measured.
>
> ----------------------------------------------------------------------
> Jon Lewis | I route
> Senior Network Engineer | therefore you are
> Atlantic Net |
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