[c-nsp] Per packet load balancing with low latency

Michael Malitsky malitsky at netabn.com
Thu Jan 15 12:20:48 EST 2009


Don't have a link handy, but here is a sample of the config we use.  You
can view status using

show ppp multilink



interface Multilink1
 description Multiplexed Logical Connection to remote site
 ip address 1.1.1.1 255.255.255.0
 ip access-group inbound in
 ip access-group outbound out
 ip verify unicast source reachable-via rx
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 no peer neighbor-route
 fair-queue 1024 256 0
 ppp multilink
 ppp multilink fragment disable
 ppp multilink group 1

interface Serial1/0/19:0
 description Connected to remote site (circuit 1)
 no ip address
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 encapsulation ppp
 no fair-queue
 ppp multilink
 ppp multilink group 1

interface Serial1/0/21:0
 description Connected to remote site (circuit 2)
 no ip address
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 encapsulation ppp
 no fair-queue
 ppp multilink
 ppp multilink group 1






Sincerely,
Michael Malitsky

> Message: 8
> Date: Thu, 15 Jan 2009 16:55:48 +0000
> From: William <willay at gmail.com>
> Subject: Re: [c-nsp] Per packet load balancing with low latency
> 	applications
> To: "cisco-nsp at puck.nether.net" <cisco-nsp at puck.nether.net>
> Message-ID:
> 	<a24358fb0901150855s5a5656b0wa62c017d2864b10b at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Can anyone point me to some decent documentation on setting up MLPPP
> with serial links? Google/Cisco.com is not liking my key words today.
> 
> Thanks for your time.
> 
> W
> 
> 2009/1/15  <A.L.M.Buxey at lboro.ac.uk>:
> > Hi,
> >> Yes, age old question.
> >>
> >> Use layer 2 technologies such as MLPPP.
> >
> > yep - you caan then choose the appropriate load balancing
> > method so media streams for the same target go down them same pipe.
> > missing packets are generally okay for most modern streaming
> > systems...they ignore them..you might get a little glitch if you
> > are unlucky....but packets arriving out of order? ouch.
> >
> > alan
> >



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