ip access-list extended infilter
evaluate mppacket
deny ip 10.54.16.0 0.0.0.255 10.54.17.0 0.0.0.255
deny ip 10.54.16.0 0.0.0.255 10.54.18.0 0.0.0.255
deny ip 10.54.16.0 0.0.0.255 10.54.19.0 0.0.0.255
deny ip 10.54.16.0 0.0.0.255 10.54.31.0 0.0.0.255
deny ip 10.54.17.0 0.0.0.255 10.54.16.0 0.0.0.255
deny ip 10.54.17.0 0.0.0.255 10.54.18.0 0.0.0.255
deny ip 10.54.17.0 0.0.0.255 10.54.19.0 0.0.0.255
deny ip 10.54.17.0 0.0.0.255 10.54.31.0 0.0.0.255
deny ip 10.54.18.0 0.0.0.255 10.54.16.0 0.0.0.255
deny ip 10.54.18.0 0.0.0.255 10.54.17.0 0.0.0.255
deny ip 10.54.18.0 0.0.0.255 10.54.19.0 0.0.0.255
deny ip 10.54.18.0 0.0.0.255 10.54.31.0 0.0.0.255
deny ip 10.54.19.0 0.0.0.255 10.54.16.0 0.0.0.255
deny ip 10.54.19.0 0.0.0.255 10.54.17.0 0.0.0.255
deny ip 10.54.19.0 0.0.0.255 10.54.18.0 0.0.0.255
deny ip 10.54.19.0 0.0.0.255 10.54.31.0 0.0.0.255
permit ip any any
exit ip access-list extended outfilter
permit ip any any reflect mppacket
exit interface fastethernet0
ip address 10.255.49.2 255.255.255.252
exit interface fastethernet1
exit interface fastethernet1.1
description Guanli
ip address 10.54.31.254 255.255.255.0
encapsulation dot1q 1
exit interface fastethernet1.2
description Yewu
ip address 10.54.17.254 255.255.255.0
encapsulation dot1q 2
ip access-group outfilter out
ip access-group infilter in
exit interface fastethernet1.3
description Bangong
ip address 10.54.16.254 255.255.255.0
encapsulation dot1q 3
ip access-group outfilter out
ip access-group infilter in
exit interface fastethernet1.4
description Caiwu
ip address 10.54.18.254 255.255.255.0
encapsulation dot1q 4
ip access-group outfilter out
ip access-group infilter in
exit interface fastethernet1.5
description Jiating
ip address 10.54.19.254 255.255.255.0
encapsulation dot1q 5
ip access-group outfilter out
ip access-group infilter in
exit ip route 0.0.0.0 0.0.0.0 10.255.49.1 | 
