3Com 4200G, 5500 Port Binding Configuration Guide, # Enter Ethernet 1/0/1 port view on switch a

PORT BINDING CONFIGURATION

10 GUIDE

Configuring a Port Port binding allows the network administrator to bind the MAC and IP addresses

Bindingof a user to a specific port. After the port binding operation, the switch forwards a packet received from the port only if the source MAC address and IP address carried in the packet have been bound to the port. This improves network security and enhances security monitoring.

Network Diagram Figure 16 Network diagram for port binding configuration

Switch A

Eth1/0/1

Switch B

Host A Host B

10.12.1.1 /24

MAC address: 0001-0002-0003

Networking and To prevent the IP address of Host A from being used by a malicious user, bind the Configuration MAC address and IP addresses of Host A to Ethernet 1/0/1 on Switch A.

Requirements

Applicable Products

Product series	Software version	Hardware version
Switch 5500	Release V03.02.04	All versions
Switch 5500G	Release V03.02.04	All versions
Switch 4500	Release V03.03.00	All versions

Configuration Procedure # Enter system view.

<3Com> system-view

# Enter Ethernet 1/0/1 port view on switch A.

[3Com] interface Ethernet1/0/1