HDLC Configuration on Cisco ⋆ IpCisco

In this lesson, we will talk about HDLC configuration on Cisco Routers. Cisco HDLC has a different proprietary field in the data field of the protocol.

For our Cisco HDLC Configuration example, we will use the below basic topology:

Let’s start to configure Cisco HDLC for this topology.

Table of Contents

Enabling Cisco HDLC

To configure Cisco HDLC, firstly we will enable HDLC and after that, we will configure interface ip addresses.

Router1>enable
Router1# configure terminal
Router1(config) # interface Serial 0/0/0
Router1(config-if) # encapsulation hdlc
Router1(config-if) # ip address 10.10.10.1 255.255.255.252
Router1(config-if) # exit

Now, let’s configure Router 2 for HDLC like above.