R2和R4都做了NAT转换,interface Serial0/0 ip address 100.1.1.1 255.255.255.0
ip nat outside
ip virtual-reassembly
serial restart-delay 0
!
interface Serial0/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
interface FastEthernet1/0
ip address 10.1.1.2 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet2/0
no ip address
shutdown
duplex auto
speed auto
!
router rip
version 2
network 100.0.0.0
no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
ip nat inside source list 1 interface Serial0/0 overload
!
access-list 1 permit 10.1.1.0 0.0.0.255
!
R4interface Serial0/1
ip address 200.1.1.1 255.255.255.0
ip nat outside
ip virtual-reassembly
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
interface FastEthernet1/0
ip address 192.168.1.1 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet2/0
no ip address
shutdown
duplex auto
speed auto
!
router rip
version 2
network 200.1.1.0
no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
ip nat inside source list 1 interface Serial0/1 overload
!
access-list 1 permit 192.168.1.0 0.0.0.255
为什么 R5 PING不通R1上的10.1.1.2地址?