Koneksi PPP

PPP Authentication

Dalam koneksi menggunakan serial secara default akan menggunakan mode encapsulasi HDLC, disini akan dicoba mode ppp (point-to-point protocol), dimana jika metode encapsulasi dari router lawan berbeda maka antar router tidak dapat saling berkomunikasi

berikut contohnya :

Task 1: PAP authentication

# debug ppp authentication

# debug ppp negotiation

# terminal monitor --> khusus telnet

Router-SBY:

# sh int s0/1

# conf t

(config)# hostname Router-SBY  --> nama router kita

(config)# user Router-JKT password ppp-jkt  --> nama router & ppp password lawan

(config)# int s0/1

(config-if)# shut

(config-if)# encap ppp

(config-if)# ppp authentication pap

(config-if)# ppp pap sent-username Router-SBY password ppp-sby --> nama router & ppp password  

                                                                                                                  kita

(config-if)# no shut

(config-if)# end

# sh int s0/1

Router-JKT:

# conf t

(config)# hostname Router-JKT    --> nama router kita

(config)# user Router-MDN password ppp-mdn  --> nama router & ppp password lawan

(config)# int s0/1

(config-if)# shut

(config-if)# encap ppp

(config-if)# ppp authentication pap

(config-if)# ppp pap sent-username Router-JKT password ppp-jkt  --> nama router & ppp password 

                                                                                                                 kita

(config-if)# no shut

(config-if)# end

# sh int s0/0

# sh int s0/1

Router-MDN:

# sh int s0/1

# conf t

(config)# hostname Router-MDN

(config)# user Router-JKT password ppp-jkt

(config)# int s0/1

(config-if)# shut

(config-if)# encap ppp

(config-if)# ppp authentication pap

(config-if)# ppp pap sent-username Router-MDN password ppp-mdn

(config-if)# no shut

(config-if)# end

# sh int serial 0/1

Hapus konfigurasi PPP PAP:

JKT:

(config-if)# int s0/1

(config-if)# no ppp authentication pap

(config-if)# no ppp pap sent-username Router-JKT password ppp-jkt

SBY:

(config)# int s0/1

(config-if)# no ppp authentication pap

(config-if)# no ppp pap sent-username Router-SBY password ppp-sby

MDN:

(config)# int s0/1

(config-if)# no ppp authentication pap

(config-if)# no ppp pap sent-username Router-MDN password ppp-training

Task 2: CHAP authentication

# debug ppp authentication

# terminal monitor --> khusus telnet

Router-JKT:

# conf t

(config)# hostname Router-JKT

(config)# user Router-MDN password ppp-training

(config)# int s0/1

(config-if)# shut

(config-if)# encap ppp

(config-if)# ppp authentication chap

(config-if)# no shut

(config-if)# end

Router-MDN:

# conf t

(config)# hostname Router-MDN

(config)# user Router-JKT password ppp-training

(config)# int s0/1

(config-if)# shut

(config-if)# encap ppp

(config-if)# ppp authentication chap

(config-if)# no shut

(config-if)# end

Router-SBY:

# conf t

(config)# hostname Router-SBY

(config)# user Router-JKT password ppp-training  --> nama router lawan & shared password

(config)# int s0/1

(config-if)# shut

(config-if)# encap ppp

(config-if)# ppp authentication chap

(config-if)# no shut

(config-if)# end

# sh int serial 0/0

# sh int serial 0/1

Task 3: menghapus konfigurasi PPP CHAP

Router-MDN:

# conf t

(config)# no user Router-JKT

(config)# int s0/1

(config-if)# encap hdlc

(config-if)# end

Router-SBY:

# conf t

(config)# no user Router-JKT

(config)# int s0/1

(config-if)# encap hdlc

(config-if)# end

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