Nortel Networks 8000 - Manual (Page 303)

Nortel Secure Router 8000 Series
Configuration -WAN Access 8 Frame relay configuration
8.2.4 Configuring frame relay sub-interfaces capability
Create an frame relay sub-interface
Do as follows on the routers:
Step 1 Run:
system-view
The system view appears.
Step 2 Run:
interface interface-type interface-number
The FR interface view appears.
Step 3 Run:
link-protocol fr [ ietf | nonstandard ]
The command configures the link layer protocol of the interface as FR.
The threes types of FR interfaces, DTE, DCE and NNI support sub-interfaces.
You can create an FR sub-interface only after the FR main interface is configured.
Step 4 Run:
quit
Return to the system view.
Step 5 Run:
interface interface-type interface-number.subnumber [ p2mp | p2p ]
The command creates an FR sub-interface.
OQ NOTE
• You can specify the type of a sub-interface only when creating a sub-interface. Once created, you
cannot change the sub-interface.
• An FR sub-interface must be of the same type as that of its main interface.
• When sub-interfaces exist, if you execute the shutdown command and the undo shutdown
command on the main interface in succession, you use the two commands at an interval of at least
15 seconds.
—End
Configuring DLCI of the frame relay sub-interface
Do as follows on the routers:
Step 1 Run:
system-view
The system view appears.
Step 2 Run:
Issue 5.3 (30 March 2009) Nortel Networks Inc. 8-13