RE: Sub Interfaces - Changing Link Type

From: dboreham@xxxxxxxxxxx
Date: Wed Jun 23 1999 - 09:54:06 GMT-3


   
George:
Actually, there is a trick that I use as a workaround to rebooting... If
you change the encapsulation type of the interface to say HDLC, the router
will get rid of its frame-relay dlci assignments, and I believe you can
change the link type then. This is also useful for cleaning up
point-to-point sub-interfaces as such:

interface serial0/0
encapsulation frame-relay
frame-relay lmi-type cisco
!
interface serial0/0.1 point-to-point
frame-relay interface-dlci 701

interface serial0/0
encapsulation hdlc
encapsulation frame-relay
frame-relay lmi-type cisco
!
interface serial0/0.701 point-to-point
frame-relay interface-dlci 701

Note that you will loose ALL of your frame-relay subinterfaces when you
change your encapsulation, so be sure you copy your configuration to Notepad
first!

Regards,
-Doug

Douglas M. Boreham - Network Engineer
Network Management Solutions Inc.
1122 Route 22 West, Second Floor
Mountainside, NJ 07092
Phone 908-232-0100
Fax 908-232-1306
E-mail dboreham@nmscorp.com

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-----Original Message----- From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of George Spahl Sent: Wednesday, June 16, 1999 23:48 To: ccielab@groupstudy.com Subject: Sub Interfaces - Changing Link Type

Today I was working on a 2500 and accidentally created a point-to-point sub-interface on Serial 0 when I meant to create a multi-point sub-interface. I tried everything I could think of to convert it to a multi-point sub-interface (without re-booting, that is) all to no avail. It would always say something like "cannot change link type". It was version 11 something, I believe. Is this normal behavior? Anyone know a trick for changing it to the other link type? Thanks! George Spahl



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