拓撲：

目標：
1、pc1和pc2互信通訊
2、pc2和pc3互信通訊
3、pc1和pc3無法通訊

建立acl

acl 3000
rule 1 deny ip source 172.16.10.0 0.0.0.255 destination 172.16.30.0 0.0.0.255 

應用acl

[Huawei]interface  GigabitEthernet 0/0/3

[Huawei-GigabitEthernet0/0/3] undo traffic-filter outbound acl 3000

附錄：
交換機配置

[Huawei]display  current-configuration 
#
 

sysname Huawei
#
vlan batch 10 20 30
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
acl number 3000
 rule 1 deny ip source 172.16.10.0 0.0.0.255 destination 172.16.30.0 0.0.0.255
#
drop-profile default
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 

 domain default
 domain default_admin
 local-user admin password simple admin
 local-user admin service-type http
#
interface Vlanif1
#
interface Vlanif10
 ip address 172.16.10.1 255.255.255.0
#
interface Vlanif20
 ip address 172.16.20.1 255.255.255.0
#
interface Vlanif30
 ip address 172.16.30.1 255.255.255
 
.0
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
 port link-type access
 port default vlan 10
#
interface GigabitEthernet0/0/2
 port link-type access
 port default vlan 20
#
interface GigabitEthernet0/0/3
 port link-type access
 port default vlan 30
 traffic-filter outbound acl 3000
#
interface GigabitEthernet0/0/4
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface GigabitEthernet0/0/9
#
interface GigabitEthernet0/0/10
#
interface GigabitEthernet0/0/11
#
interface GigabitEthernet0/0/12
#
interface GigabitEthernet0/0/13
#
interface GigabitEthernet0/0/14
#
interface GigabitEthernet0/0/15
#
interface GigabitEthernet0/0/16
#
interface GigabitEthernet0/0/17
#
interface GigabitEthernet0/0/18
#
interface GigabitEthernet0/0/19
#
interface GigabitEthernet0/0/20
#
interface GigabitEthernet0/0/21
#
interface GigabitEthernet0/0/22
#
interface GigabitEthernet0/0/23
#
interface GigabitEthernet0/0/24
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
return