22 Aug
2002
22 Aug
'02
1:54 p.m.
In theory, when the remote LMI goes down, or any part of the PVC internal to
Thus spake <alex@yuriev.com> 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