1、网络拓扑图

ipsg(ip source guard)_ip地址

2、具体检查内容

1)ip地址检测

2)mac地址检测

3)vlan检测

3、配置内容

<sw1>display current-configuration  

#

sysname sw1

#

vlan batch 10 20 30

#

cluster enable

ntdp enable

ndp enable

#

drop illegal-mac alarm

#

dhcp enable

#

dhcp snooping enable

#

diffserv domain default

#

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 MEth0/0/1

#

interface GigabitEthernet0/0/1

port link-type access

port default vlan 10

dhcp snooping enable

#

interface GigabitEthernet0/0/2

port link-type access

port default vlan 10

dhcp snooping enable

#

interface GigabitEthernet0/0/3

port link-type access

port default vlan 10

ip source check user-bind enable//检测所有包括IP/MAC/VLAN

dhcp snooping trusted

#

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


<sw1> 

4、检测项目

[sw1-GigabitEthernet0/0/3]ip source check user-bind check-item ?

 ip-address   IP address  

 mac-address  MAC address  

 vlan         Virtual LAN 

共有三个检测项目:IP/MAC/VLAN