[c-nsp] Cisco MultiLink PPP

[Rodney Dunn]

The keepalives are supposed to be protected
against congestion on transmit so the links
shouldn't flap on congestion due to L2 keepalive
loss.

However, given the L1 fault detection times on 
the circuit (least common denominator theory)
I don't see any reason to set them lower than
2-3 seconds for retry.

I usually recommend 1 and 3.

Rodney



On Thu, Mar 24, 2005 at 07:17:02AM -0800, Lawrence Wong wrote:
> Is there any implication for setting "too low" a
> keepalive?
> 
> --- Bruce Robertson <bruce at greatbasin.net> wrote:
> >  > What's the lead time like to detect a link
> > failure in
> >  > a MLPPP bundle?
> > 
> > Once the link failure is detected, it's pretty much
> > instantaneous.  If you 
> > test it with 'shutdown', though, you'll see a delay
> > of a few seconds unless 
> > you configure 'keepalive 1' on the individual T1s.
> > 
> > --
> > Bruce Robertson, President/CEO                      
> >     +1-775-348-7299
> > Great Basin Internet Services, Inc.    company-wide
> > fax: +1-775-348-9412
> > http://www.greatbasin.net                       my
> > efax: +1-775-201-1553
> > 
> 
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