HDLC

Introduction

A serial interface (E1/V.35) can work in HDLC and PPP mode. Here HDLC will be used over a V.35 serial link.

Network Diagram

Configuration

Router-A and Router-B are connected on V.35 link. Configure Router-A as:

Okapi(config)# interface Serial 0
Okapi(config-if-serial)# encapsulation cisco-hdlc
Okapi(config-if-serial)# ip address 10.5.5.5/16
Okapi(config-if-serial)# no shut

Configure Router-B as:

Router(config)# interface Serial 0
Router(config-if)# encapsulation  hdlc
Router(config-if)# ip address  10.5.5.6 255.255.255.0
Router(config-if)# no shut