远程对拨的典型配置

蓝色家园总部局域网：10.1.8.0/24 
E0: 10.1.8.1 255.255.255.0 
蓝色家园分部局域网: 10.1.9.0/24 
E0: 10.1.9.1 255.255.255.0 

version 11.2 
service udp-small-servers
service tcp-small-servers
!
hostname shanghai
!
enable secret bluegarden
!
username bluegarden password bluegarden
ip subnet-zero
no ip domain-lookup
!
interface Ethernet0
ip address 10.1.8.1 255.255.255.0
!
interface Serial0
no ip address
shutdown
!
interface Async1
no ip address
encapsulation ppp
async default routing
async mode dedicated
dialer in-band
dialer rotary-group 0
no cdp enable
!
interface Dialer0
ip unnumbered Ethernet0
ip tcp header-compression passive
encapsulation ppp
dialer in-band
dialer map snapshot 1 name Beijing 01055520089
dialer map ip 10.1.9.1 name Beijing broadcast 01055520089
dialer-group 1
snapshot server 5 dialer
no cdp enable
ppp authentication chap
!
router rip
version 2
network 10.1.8.0 255.255.255.0(如果不加掩码，则默认为10.0.0.0)
no auto-summary
!
ip classless
dialer-list 1 protocol ip permit
!
line con 0
password Bluegarden
login
line vty 0 4
password Bluegarden
login
!
end 

service udp-small-servers
service tcp-small-servers
!
hostname Beijing
!
enable secret Bluegarden
!
username Bluegarden password Bluegarden
ip subnet-zero
no ip domain-lookup
!
interface Ethernet0
ip address 10.1.9.1 255.255.255.0
!
interface Serial0
no ip address 
shutdown 
!
interface Async1
no ip address 
encapsulation ppp
async default routing
async mode dedicated
dialer in-band
dialer rotary-group 0
no cdp enable 
!
interface Dialer0
ip unnumbered Ethernet0
encapsulation ppp
dialer in-band
dialer map snapshot 1 name Shanghai 02155520089
dialer map ip 10.1.8.1 name Shanghai broadcast 02155520089
dialer-group 1
snapshot client 5 360 dialer
no cdp enable 
ppp authentication chap
!
router rip
version 2
network 10.1.9.0  255.255.255.0
no auto-summary
!
ip classless
dialer-list 1 protocol ip permit
!
line con 0
password Bluegarden
login
line vty 0 4
password Bluegarden
login
!
end