User manual

Nortel Secure Router 8000 Series
Configuration -WAN Access 9 HDLC configuration
Issue 5.3 (
30 March 2009) Nortel Networks Inc. 9-5
9.3.1 Clearing HDLC statistics
To clear the HDLC statistics, run the reset command in the user view.
Action Command
Clear the statistics of the
interface
reset counters interface [ interface-type
[ interface-number ] ]
9.3.2 Debugging HDLC
Debugging affects the performance of the system.After debugging, run the undo debugging
all command to disable it immediately.
When a HDLC fault occurs, run the following debugging command in the user view to locate
the fault. For the procedure of displaying the debugging information, refer to the chapter
"Maintenance and Debugging" in the Nortel Secure Router 8000 Series Configuration Guide -
System Management.
NOTE
z
If a certain debugging is enabled in the global system, enabling the same debugging on the interface
does not take effects.
z
If a certain debugging is disabled in the global system, disabling the same debugging on the
interface does not take effects.
Action Command
Enable HDLC debugging.
debugging hdlc all
Enable HDLC event
debugging
debugging hdlc event [ interface interface-type
interface-number ]
Enable HDLC packet
debugging
debugging hdlc { ip | isis | keepalive } { in | in-out |
out } [ interface interface-type interface-number ]
9.4 Configuration examples
This section provides the following examples:
z
Example for configuring HDLC
z
Example for configuring IP address unnumbered for HDLC