User manual

9 HDLC configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
9-2 Nortel Networks Inc. Issue 5.3 (
30 March 2009)
9.1 Introduction
The High-level Data Link Control (HDLC) is a bit-oriented link layer protocol featured by its
transparent transmission of any kind of bit flow. The data is not required to be a character set.
The protocols in standard HDLC suite operate on the synchronous serial lines.
9.2 Configuring HDLC
9.2.1 Establishing the configuration task
Applicable environment
When you need to enable the bits synchronous transmission using the link layer protocol, you
can adopt the HDLC protocol.
Preconfiguration tasks
Before configuring HDLC, configure the physical attributes of the synchronous serials.
Data preparation
To configure HDLC, you need the following data.
No. Data
1 Number of the synchronous serials on the router
Configuration procedures
No. Procedure
1 Encapsulating an interface with HDLC
2 Configuring the IP address of the interface
3 Setting the Polling Interval
4 Checking the configuration
9.2.2 Encapsulating an interface with HDLC
Do as follows on the routers:
Step 1 Run:
system-view