3Com MSR 50 Series Configuration Manual page 333

# Enable X.25 switching.
[RouterA] x25 switching
# Create X.25 hunt group hg1.
[RouterA] x25 hunt-group hg1 round-robin
# Add interfaces Serial 2/2, Serial 2/1, and XOT channel to the hunt group.
[RouterA-hg-hg1] channel interface serial 2/2
[RouterA-hg-hg1] channel interface serial 2/1 dlci 100
[RouterA-hg-hg1] channel xot 10.1.1.2
[RouterA-hg-hg1] quit
# Configure X.25 switching route forwarded towards the hunt group hg1, and
enable destination address and source address substitution, substituting 3333 and
8888 for source and destination addresses of packets destined to hunt group
address 2222.
[RouterA] x25 switch svc 2222 sub-dest 8888 sub-source 3333 hunt-group hg1
# Configure X.25 switching route forwarded to X.25 terminal.
[RouterA] x25 switch svc 1111 interface serial 2/3
[RouterA] x25 switch svc 1112 interface serial 2/4
[RouterA] x25 switch svc 1113 interface serial 2/0
2 Configure Router B
# Configure the link layer protocol of interface Serial 2/0 as X.25, and configure it
to operate in DTE mode.
<RouterB> system-view
[RouterB] interface serial 2/0
[RouterB-Serial2/0] link-protocol x25 dte
[RouterB-Serial2/0] x25 x121-address 8888
3 Configure Router C
# Create an X.25 template.
<RouterC> system-view
[RouterC] x25 template vofr
[RouterC-x25-vofr] x25 x121-address 8888
[RouterC-x25-vofr] quit
# Enable FR on Serial 2/0.
[RouterC] interface serial 2/0
[RouterC-Serial2/0] link-protocol fr
# Configure FR Annex G DLCI.
[RouterC-Serial2/0] fr dlci 100
[RouterC-fr-dlci-Serial2/0-100] annexg dte
# Apply the X.25 template to the DLCI.
X.25 Configuration Examples 333