[c-nsp] Multihop L2TP resource usage

[Sam Stickland]

Hi,

Has anyone got any references or real-world experience on the resources 
comsumed by multihop L2TP?

In this configuration

LAC - LNS1 - LNS2

the worse case senario appears to be that a L2TP session terminating at 
LNS2 would consume twice as many resources on LNS1 as a session 
terminating at LNS1 (since LNS2's sessions are terminated and 
re-encapsulated at LNS1).

Is this actually what happens in reality, or are there optimisations that 
are made? And if so, are they only available in certain IOS trains/IOS 
configurations?

Thanks,

Sam