在Cisco catalyst 2950交换机上，通过配置extended ACL来实现端口与IP的绑定。 配置如下： 2950#show run Current configuration : 5396 bytes ! version 12.1 no service pad service timestamps debug uptime servicetimestamps log uptime no service password-encryption ! hostname 2950 ! enable secret 5 $1$kJ.v$gF4osmkOwfvOy7vkwI3j/. ! ip subnet-zero ! no ip domain-lookup ! ! spanning-tree mode pvst no spanning-tree optimize bpdu transmission spanning-tree extend system-id spanning-tree uplinkfast ! interface FastEthernet0/1 switchport access vlan 30 switchport mode access ip access-group ip1 in spanning-tree portfast ! interface FastEthernet0/2 switchport access vlan 30 switchport mode access ip access-group ip2 in spanning-tree portfast ! interface FastEthernet0/3 switchport access vlan 30 switchport mode access ip access-group ip3 in spanning-tree portfast ! interface FastEthernet0/4 switchport access vlan 30 switchport mode access ip access-group ip4 in spanning-tree portfast ! interface FastEthernet0/5 switchport access vlan 30 switchport mode access ip access-group ip5 in spanning-tree portfast ! interface FastEthernet0/6 switchport access vlan 30 switchport mode access ip access-group ip6 in spanning-tree portfast ! interface FastEthernet0/7 switchport access vlan 30 switchport mode access ip access-group ip7 in spanning-tree portfast interface FastEthernet0/8 switchport access vlan 30 switchport mode access ip access-group ip8 in spanning-tree portfast ! interface FastEthernet0/9 switchport access vlan 30 switchport mode access ip access-group ip9 in spanning-tree portfast ! interface FastEthernet0/10 switchport access vlan 30 switchport mode access ip access-group ip10 in spanning-tree portfast ! interface FastEthernet0/11 switchport access vlan 30 switchport mode access ip access-group ip11 in spanning-tree portfast ! interface FastEthernet0/12 switchport access vlan 30 switchport mode access ip access-group ip12 in spanning-tree portfast ! interface FastEthernet0/13 switchport access vlan 30 switchport mode access ip access-group ip13 in spanning-tree portfast ! interface FastEthernet0/14 switchport access vlan 30 switchport mode access ip access-group ip14 in spanning-tree portfast ! interface FastEthernet0/15 switchport access vlan 30 switchport mode access ip access-group ip15 in spanning-tree portfast ! interface FastEthernet0/16 switchport access vlan 30 switchport mode access ip access-group ip16 in spanning-tree portfast ! interface FastEthernet0/17 switchport access vlan 30 switchport mode access ip access-group ip17 in spanning-tree portfast ! interface FastEthernet0/18 switchport access vlan 30 switchport mode access ip access-group ip18 in spanning-tree portfast ! interface FastEthernet0/19 switchport access vlan 30 switchport mode access ip access-group ip19 in spanning-tree portfast ! interface FastEthernet0/20 switchport access vlan 30 switchport mode access ip access-group ip20 in spanning-tree portfast ! interface FastEthernet0/21 switchport access vlan 30 switchport mode access ip access-group ip21 in spanning-tree portfast ! interface FastEthernet0/22 switchport access vlan 30 switchport mode access ip access-group ip22 in spanning-tree portfast ! interface FastEthernet0/23 switchport access vlan 30 switchport mode access ip access-group ip23 in spanning-tree portfast ! interface FastEthernet0/24 switchport access vlan 30 switchport mode access ip access-group ip24 in spanning-tree portfast ! interface GigabitEthernet0/1 switchport mode trunk ! interface GigabitEthernet0/2 spanning-tree stack-port ! interface Vlan1 no ip address no ip route-cache shutdown ! interface Vlan100 ip address 192.168.100.22 255.255.255.0 no ip route-cache ! ip default-gateway 192.168.100.254 ip http server ! ip access-list extended ip1 permit ip host 192.168.30.1 any ip access-list extended ip10 permit ip host 192.168.30.10 any ip access-list extended ip11 permit ip host 192.168.30.11 any ip access-list extended ip12 permit ip host 192.168.30.12 any ip access-list extended ip13 permit ip host 192.168.30.13 any ip access-list extended ip14 permit ip host 192.168.30.14 any ip access-list extended ip15 permit ip host 192.168.30.15 any ip access-list extended ip16 permit ip host 192.168.30.16 any ip access-list extended ip17 permit ip host 192.168.30.17 any ip access-list extended ip18 permit ip host 192.168.30.18 any ip access-list extended ip19 permit ip host 192.168.30.19 any ip access-list extended ip2 permit ip host 192.168.30.2 any ip access-list extended ip20 permit ip host 192.168.30.20 any ip access-list extended ip21 permit ip host 192.168.30.21 any ip access-list extended ip22 permit ip host 192.168.30.22 any ip access-list extended ip23 permit ip host 192.168.30.23 any ip access-list extended ip24 permit ip host 192.168.30.24 any ip access-list extended ip3 permit ip host 192.168.30.3 any ip access-list extended ip4 permit ip host 192.168.30.4 any ip access-list extended ip5 permit ip host 192.168.30.5 any ip access-list extended ip6 ip access-list extended ip5 permit ip host 192.168.30.5 any ip access-list extended ip6 permit ip host 192.168.30.6 any ip access-list extended ip7 permit ip host 192.168.30.7 any ip access-list extended ip8 permit ip host 192.168.30.8 any ip access-list extended ip9 permit ip host 192.168.30.9 any snmp-server community private RO ! line con 0 line vty 0 4 password !@#$% login line vty 5 15 password !@#$% login ! ! end 2950# 文章录入：csh    责任编辑：csh