WAN data link protocols (HDLC, Frame Relay)

R1(config-if)#>encapsulation [ppp | hdlc]
R1(config)#username remote_hostname password xxx
R1(config-if)#ppp authentication [ppp | chap]
R1(config-if)#ppp pap sent-username this_hostname password xxx

R1(config)#frame-relay switching
R1(config)#interface s0/0/0
R1(config-if)#clock rate 64000
R1(config-if)#encapsulation frame-relay
R1(config-if)#frame-relay intf-type dce
R1(config-if)#frame-relay route 102 interface s0/0/1 201
R1(config-if)#no shutdown
R1(config)#interface s0/0/1
R1(config-if)#clock rate 64000
R1(config-if)#encapsulation frame-relay
R1(config-if)#frame-relay intf-type dce
R1(config-if)#frame-relay route 201 interface s0/0/0 102

R1#clear frame-relay inarp
R1#show frame-relay map
R1#debug frame-relay lmi
R1#show frame-relay pvc [102] [dlci]
R1#show frame-relay lmi
R1(config-if)#encapsulation frame-relay
R1(config-if)#no frame-relay inverse-arp
R1(config-if)#frame-relay map ip 10.1.1.2 101 [broadcast cisco]
-> frame-relay map protocol protocol-address dlci [broadcast] [ietf] [cisco]
-> broadcast enable dynamic routing protocol over virtual circuit
R1(config-if)#interface s0/0/0.102 [multipoint | point-to-point]
-> if all routes belong to the same subnet, use multipoint.
R1(config-subif)#ip address a.a.a.a m.m.m.m
R1(config-subif)#bandwidth 64
R1(config-subif)#frame-replay interface-dlci 102

Wan Connection Technologies

Leased Line	Charge by distance, capacity	up to 45 Mb/s (E3/T3)	permanent fixed capacity
Basic telephone	distance, time	33-56 kb/s	dialed, slow connection
ISDN	distance, time	64 or 128 kbps up to 2 Mbps, PRI	dialed, slow connection
X.25	volume	up to 48 kbps	switched fixed capacity
ATM	capacity	up to 155 Mbps	permanent variable capacity
Frame Relay	capacity	tup to 45 Mbps	permanent variable capacity
DSL	monthly subscription	up to 3 Mbps	always on shared Internet
Metro Ethernet	monthly subscription	up to 500 Mbps	limited geographic scope