[c-nsp] Multilink Vs Serial Conf.

Oliver Boehmer (oboehmer) oboehmer at cisco.com
Fri Jul 8 04:18:34 EDT 2005


> 
> In our organisation.....we are using Multilink only for "fragment
> delay" feature of ppp multilink.... 
> 
> Hence we have configured one multilink for one link....
> 
> And we are facing a prb....i.e. if I am giving Fair-queue in
> Multilink and serial port...we get Queueing strategy: Weighted
> fair...  
> but in serial its "Queueing strategy: weighted fair  [suspended,
> using FIFO]" 
> 
> Is it Multilink configuration prefered first and then Serial Link
> configuration....i.e. the fair-queue is really happening and then the
> data is thrown to serial as fifo.... Is it fair-queue doesnt happen
> twice....for same data....  
> 
> Is my analyses to the observation right...?

yes, this is correct. All the queuing happens at the multilink
interface, the physical is then just a fifo pipe.. This is the only way
to perform fancy queuing on multilink links as one serial has no means
to know how the other interface's buffers/queues look like...

	oli



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