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10
PORT BINDING CONFIGURATION
GUIDE
Configuring a Port
Binding
Port binding allows the network administrator to bind the MAC and IP addresses
of 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
Networking and
Configuration
Requirements
To prevent the IP address of Host A from being used by a malicious user, bind the
MAC address and IP addresses of Host A to Ethernet 1/0/1 on Switch A.
Applicable Products
Configuration Procedure # Enter system view.
<3Com> system-view
# Enter Ethernet 1/0/1 port view on switch A.
[3Com] interface Ethernet1/0/1
10.12.1.1/24
MAC address: 0001-0002-0003
Host A Host B
Eth1/0/1
Switch A
Switch B
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