ISDN questions.

From: Stefan Grey (examplebrain@hotmail.com)
Date: Fri Oct 07 2005 - 11:47:06 GMT-3


Just don't understand.

R1 - R2. Between them int ISDN.

1. When I configure backup between them.
Interface s0/0
backup interface dialer 0.

dialer 0 is getting to the standby mode.
When I type
interface s0/0
shut
dialer 0 is still in standby mode.
a) Why?? As I understand it should get out from standby mode automatically??
Shouldn't it??

b) Theoretically if we want to backup both serial links on R1 and R2.
R1:
int s0/0
backupinterface dialer 0

R2:
int s0/0
backup interface dialer 0

if for example we shut down only the interface of s0/0 of R1. Should the
connection be up between both routers. Could we by backup interface
functions in this way backup 2 links.

Thanks a lot.



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