Make your own free website on
Cisco Threaded Case Study - Acacia
12. PPP, ISDN and Frame Relay Implementation


1. General Requirements | 2. LAN User Requirements | 3. Site LAN Wiring Plan and Physical topology | 4. Acacia Basic Floor Plan Broken Down | 5. IP addressing Scheme and addressing method | 6. Equipment Implemented and price and quantity table | 7. IGRP, ACL and IPX implementation | 8. LAN Pros And Cons | 9. WAN Requirements | 10. Physical Topology | 11. WAN IP Addressing | 12. PPP, ISDN and Frame Relay Implementation | 13. WAN Pros And Cons | Final Words From The Group

PPP, ISDN and Frame Relay Implementation



PPP is one of the most popular WAN protocols, it enables the assignment of ip addresses
and includes many other features.
PPP is designed to allow the simultaneous use of multiple network-layer protocols.
PPP supports other protocols besides IP.

Router# config t
Router(config)# int s0
Router(config-if)# encap ppp
Router (config-if) # ppp authentication chap
Router (config-if) # ppp chap hostname [hostname]
Router (config-if) # ppp chap password [secret


interface bri 0
encapsulation ppp
ppp authentictaion chap
isdn spid1 0123456789 0123456
isdn spid2 9876543210 6543210
ip address
dialer-group 1
dialer wait-for-carrier time 15
dialer idle-timeout 300

Frame Relay

A Frame Relay (T1) line that will connect all sites to the internet on the WAN.
Frame Relay access is at 1.544 Mbps with an assigned DLCI number of 100.

Router# config t
Router(config)# int s0
Router(config-if)#ip address
Router (config-if)# clockrate 56000
Router (config-if)# no shut
Router (config)# int s0
Router(config-if)#encapsulation frame-relay
Router(config-if)#frame-relay intf-type dce