Information Technology Reference
In-Depth Information
•
For all problems, collect the output of
show running-config
and
show version
. Ensure that the
command
service timestamps debug datetime msec
is in the configuration.
•
For DDR problems, collect the following:
-
show dialer map
-
debug dialer
-
debug ppp negotiation
-
debug ppp authentication
•
If ISDN is involved, collect the following:
-
show isdn status
-
debug isdn q931
-
debug isdn events
•
If modems are involved, collect the following:
-
show lines
-
show line
[
x
]
-
show modem
(if integrated modems are involved)
-
show modem version
(if integrated modems are involved)
-
debug modem
-
debug modem csm
(if integrated modems are involved)
-
debug chat
(if a DDR scenario)
•
If T1s or PRIs are involved, collect:
-
show controller t1
Additional Sources
•
Cisco IOS Dial Solutions Guide
•
The TAC Technology Support Pages: www.cisco.com/tac/
