WAN Interface Configuration

HYD>enable
HYD#config t

HYD(config)#interface s0/0/0 (or)intreface serial 0
HYD(config-if)#ip address 10.0.0.1 255.0.0.0
HYD(config-if)#no shutdown
HYD(config-if)#clock rate 64000
HYD(config-if)#encapsulate hdlc (or) ppp
HYD(config-if)#exit
HYD#show interface serial s0
HYD#show ip interface brief
HYD#show controllers serial 0/0/0

CHE>enabble
CHE#config t
CHE(config)#interface s0/0/1 (or) interface serial 1
CHE(config-if)#ip address 10.0.0.2 255.0.0.0
CHE(config-if)#no shutdown
CHE(config-if)#encapsulate hdlc (or) ppp
CHE(config-if)#exit
CHE#show interface s1
CHE#show ip interface brief

Then ping 10.0.0.1 from CHE.