IT Certification

 1: username R2 password 0 cisco
 2: !
 3: interface Multilink1
 4:  ip address 172.16.12.1 255.255.255.0
 5:  ppp authentication chap
 6:  ppp multilink
 7:  ppp multilink group 1
 8: !
 9: interface Serial1/0
10:  no ip address
11:  encapsulation ppp
12:  serial restart-delay 0
13:  ppp multilink group 1
14: !
15: interface Serial1/1
16:  no ip address
17:  encapsulation ppp
18:  serial restart-delay 0
19:  ppp multilink group 1

 1: username R1 password 0 cisco
 2: !
 3: interface Multilink1
 4:  ip address 172.16.12.2 255.255.255.0
 5:  ppp authentication chap
 6:  ppp multilink
 7:  ppp multilink group 1
 8: !
 9: interface Serial1/0
10:  no ip address
11:  encapsulation ppp
12:  serial restart-delay 0
13:  clock rate 64000
14:  ppp multilink group 1
15: !
16: interface Serial1/1
17:  no ip address
18:  encapsulation ppp
19:  serial restart-delay 0
20:  clock rate 64000
21:  ppp multilink group 1