From: GUGLER Jean-Luc (Consultas) (jlgugler@xxxxxxxxxxxx)
Date: Tue Jun 04 2002 - 09:36:23 GMT-3
Yes,(configuring backup interface on one side is the solution
http://www.cisco.com/warp/public/123/backup-main.html
"...The backup interface approach may also be used for point-to-point
Frame Relay subinterfaces. However, with Frame Relay, the main or
multipoint interfaces can remain in an up/up state even if the permanent
virtual connection (PVC) goes down. This could cause the router to not
detect a down primary Frame Relay connection and hence fail to bring up
the backup link...."
-----Message d'origine-----
De : Ng, Kim Seng David (David) [mailto:ksng@avaya.com]
Envoyi : mardi, 4. juin 2002 12:57
@ : ccielab@groupstudy.com
Objet : Solie's "Skynet" Lab
Hi group,
I have a query in Section III item (3) which reads:
"Configure the PPP link between R1 and R4 to be in OSPF Area 10. Ring 2
is in OSPF Area 20. This link should become active only upon loss of
Frame Service."
My query is related to the last sentence. The model solution
provided solved this by configuring a "backup interface" at the R1 and
R4 frame-relay interface respectively which points to the ppp link as
the backup interface. I tried pulling the R1 frame-relay interface and
instead of going into active mode, the ppp serial interface goes into
down mode. I think this is because R4's ppp interface is still in
standby/down mode.
Should the solution be only have "backup interface" command on
one end only?
Thanks
David
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