PPP Encapsulation:

HDLC stands for High-Level Data Link Control. It is the default encapsulation for synchronous serial links on Cisco routers. We would only use the encapsulation hdlc command to return the link to its default state. HDLC is an open standard protocol, Cisco modified HDLC as part of its implementation. It allows for multi protocol support before PPP is specified. So, We should only use HDLC between Cisco devices. If we are connecting to a non Cisco device, We will use synchronous PPP.

Lab Steps:

1. Assigning IP address to both routers

2. Setting the PPP encapsulation

3. Setting the clocks on router













Step- 1:





Router 1

Router1(config)#int serial 2/0

Router1(config-if)# ip address 192.168.10.1 255.255.255.0

Router1(config-if)# no shut





Router 2

Router2(config)# int serial 2/0

Router2(config-if)# ip address 192.168.10.2 255.255.255.0

Router2(config-if)# no shut





Step-2:





Router1(config)#in se 2/0

Router1(config-if)#encapsulation ppp

Router1(config-if)# clock rate 64000





Router2(config)#in se 2/0

Router2(config-if)#encapsulation ppp

Router2(config-if)# clock rate 64000



