Network Router User Manual

4 POS and CPOS interface configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
4-10 Nortel Networks Inc. Issue 5.3 (
30 March 2009)
No. Procedure
6 Configuring check word length of CRC
7 Configuring MTU
8 Checking the configuration
4.2.2 Configuring link layer protocol
Do as follows on the routers:
Step 1 Run:
system-view
The system view appears.
Step 2 Run:
interface pos interface-number
The POS interface view appears.
Step 3 Run:
link-protocol { ppp | hdlc }
The command configures the link layer protocol of the POS interface.
By default, the link layer protocol of the POS interface is PPP.
----End
4.2.3 Configuring clock mode
Do as follows on the routers:
Step 1 Run:
system-view
The system view appears.
Step 2 Run:
interface pos interface-number
The POS interface view appears.
Step 3 Run:
clock { master | slave }
The command configures the clock mode of the POS interface.
POS Interface supports the following two clock modes:
z
Master clock mode uses internal clock signal.
z
Slave clock mode uses line clock signal.