[nsp] MLPPP & Cisco

[jlewis at lewis.org]

On Mon, 21 Apr 2003, Voralt wrote:

> Is anybody out there running MLPPP to bond multiple T1's on Cisco routers?
> And if so, how many T1's, what platform and how is it running?  I just had a
> request from someone that wants to connect 2 buildings via 2 T1's initially,
> but they want to be able to go up to 6-7 T1's eventually and they want to
> load balance over all of the T1's.  I seem to remember that Cisco's have a
> max of 6 simultaneous path's (or is it 4?), but with MLPPP, there really is
> no limit.  I also wouldn't object to performance guideline's if anybody has

Depending on the IOS versions, you can do 6-8 T1's with CEF per-packet or 
per-destination load sharing.  That's what we do in most cases.  I've had 
problems several times (never quite succeeded) getting MLPPP to work at 
all in 12.1(5)T with PPP on T1's or in another case with PPP over Frame.
 
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