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Re: sanity check frame question

  • From: Stephen Sprunk
  • Date: Thu Aug 22 13:57:36 2002

Thus spake <alex@yuriev.com>
> > In theory, when the remote LMI goes down, or any part of the PVC internal to
the
> > carrier goes down, the local LMI should go INACTIVE.  In practice, this is
> > unreliable at best; for some carriers, you will always get ACTIVE status no
> > matter what.
>
> For a real frame relay (not the frame relay on customer end that terminates
> into the ATM circuit on your end) if you want the interface to go up/down or
> down/down when there is a problem on a line, you must configure frame relay
> using sub-interfaces. Works like a charm.

With some carriers, that works.  With others, it doesn't.  If you want to count
on it working 24x7 with any carrier, you need end-to-end checks.

S





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