R2部分配置如下
!
interface Serial1/0
ip address 100.1.1.2 255.255.255.0
ip access-group ACL in
ip access-group ref out
ip nat inside
serial restart-delay 0
!
interface Serial1/1
ip address 200.1.1.1 255.255.255.0
ip nat outside
serial restart-delay 0
clockrate 64000
!
!
router eigrp 10
network 100.1.1.0 0.0.0.255
network 200.1.1.0
no auto-summary
!
ip nat inside source list 1 interface Serial1/1 overload
ip http server
no ip http secure-server
ip classless
!
!
!
ip access-list extended ACL
permit eigrp any any
permit ip any any reflect REF
ip access-list extended ref
evaluate REF
permit eigrp any any
access-list 1 permit 172.16.1.0 0.0.0.255
!