3Com 3032 Configuration Manual page 198

194 C 15: C
HAPTER ONFIGURING
Fault Diagnosis and
Troubleshooting of
ISDN
ISDN P
ROTOCOL
II. Networking Diagram
Figure 57 Networking for ISDN DoV
III. Configuration Procedure
1 Configure Router A:
[Router]dialer-rule 1 ip permit
[Router]interface bri 0
[Router-Bri0]ip address 100.1.1.1 255.255.255.0
[Router-Bri0]dialer-group 1
[Router-Bri0]dialer route ip 100.1.1.2 8810148
[Router-Bri0]dialer data2voice
2 Configure Router B:
[Router]dialer-rule 1 ip permit
[Router]interface bri 0
[Router-Bri0]ip address 100.1.1.2 255.255.255.0
[Router-Bri0]dialer-group 1
[Router-Bri0]dialer route ip 100.1.1.1 8810152
[Router-Bri0]isdn voice2data
Fault: Two routers are connected via an ISDN PRI line, but pinging the
routers is not successful.
Troubleshooting:
1 Execute the
display isdn call-info
no isdn port", it means that there is no ISDN PRI port, and you should configure
one. For the configuration, refer to the section "cE1/PRI Interface and cT1/PRI
Interface Configuration" in Operation Manual - Interface.
2 If enabling Q.921 information debugging and debugging information "ISDN-D
send data error" is output, it indicates that the physical layer is not activated. You
can try to use the commands
re-enable the related interface.
3 Check whether the dialer is configured correctly. If the dialer is configured
correctly and no "ISDN-D send data error" is displayed, then it's possible the ISDN
line is not connected well.
8810152
BRI0 ISDN
Network
RouterA
command. If the system prompts "there is
and
shutdown undo shutdown
8810148
BRI0
RouterB
to disable and