Troubleshooting Frame Relay - 3Com MSR 50 Series Configuration Manual

252 C 8: F
HAPTER RAME
Troubleshooting
Frame Relay
R C
ELAY ONFIGURATION
<RouterB> system-view
[RouterB] x25 template vofr
# Configure the local X.25 address.
[RouterB-x25-vofr] x25 x121-address 20094
# Configure the X.25 address mapping to the destination IP address.
[RouterB-x25-vofr] x25 map ip 202.38.163.251 10094
[RouterB-x25-vofr] quit
# Assign an IP address to the local interface.
[RouterB] interface serial 2/0
[RouterB-Serial2/0] ip address 202.38.163.252 255.255.255.0
# Encapsulate the interface with FR.
[RouterB-Serial2/0] link-protocol fr
[RouterB-Serial2/0] fr interface-type dte
# Create an FR DLCI interface.
[RouterB-Serial2/0] fr dlci 100
# Configure the DLCI interface as an Annex G DLCI interface.
[RouterB-fr-dlci-Serial2/0-100] annexg dte
# Apply the X.25 Template to the DLCI interface.
[RouterB-fr-dlci-Serial2/0-100] x25-template vofr
[RouterB-fr-dlci-Serial2/0-100] quit
# Configure the FR address mapping to the destination IP address.
[RouterB-Serial2/0] fr map ip 202.38.163.251 100
Symptom 1:
The physical layer is in down status.
Solution:
Check whether the physical line is normal.
■
Check whether the remote device runs normally.
■
Symptom 2:
The physical layer is already up, but the link layer protocol is down.
Solution: