On Mon, Aug 25, 2003 at 05:35:04PM +1000, matthew green wrote:
> it seems that this is what we want.  if you don't recieve anything
> from the remote end in N seconds, start sending an LCP echo requests.
> if nothing answers and still no traffic has arrived since, sounds
> like the link is dead.

The same should be done in regular PPP.  Last I tried, a ftp file transfer
could block LCP packets completely, which made PPP think the link was dead
(although IP packets were being sent in both directions).

Haven't been using PPP recently, though, so this problem may not exist any
more.

  -jm