ACL

 AR1配置

acl number 2000  
 rule 5 deny source 10.1.1.1 0 
#

interface GigabitEthernet0/0/0
 ip address 10.1.1.100 255.255.255.0 
#
interface GigabitEthernet0/0/1
 ip address 20.1.1.200 255.255.255.0 
 traffic-filter outbound acl 2000

 扩展ACL配置

 AR1配置

acl number 3000  
 rule 5 deny ip source 10.1.1.1 0 destination 20.1.1.1 0 

interface GigabitEthernet0/0/0
 ip address 10.1.1.100 255.255.255.0 
 traffic-filter inbound acl 3000
#
可以在g0/0/0的入方向调用，也可以在g0/0/1的出方向调用。
interface GigabitEthernet0/0/1
 ip address 20.1.1.100 255.255.255.0