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From: "Stephen Sprunk" <ssprunk@cisco.com> To: <alex@yuriev.com> Cc: <Brennan_Murphy@NAI.com>, <nanog@merit.edu> Date: Thu, 22 Aug 2002 12:54:28 -0500 Errors-To: owner-nanog-outgoing@merit.edu 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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