Displaying And Maintaining Port Binding Configuration; Port Binding Configuration Example - 3Com 4210 9-Port Configuration Manual

To do...
specific port
An IP address can be bound to only one port at a time.
A MAC address can be bound to only one port at a time.
For the same port, port-IP-MAC binding is mutually exclusive with port-IP binding.

Displaying and Maintaining Port Binding Configuration

To do...
Display port binding
information

Port Binding Configuration Example

Port Binding Configuration Example
Network requirements
It is required to bind the MAC and IP addresses of Host A to Ethernet 1/0/1 on Switch A, so as to prevent
malicious users from using the IP address they steal from Host A to access the network.
Network diagram
Figure 2-1 Network diagram for port binding configuration
Host A
10.12.1.1/24
MAC address: 0001-0002-0003
interface interface-type interface-number
In Ethernet
am user-bind { mac-addr mac-address
port view
[ ip-addr ip-address ] | ip-addr
ip-address }
display am user-bind [ interface interface-type
interface-number | ip-addr ip-address | mac-addr
mac-address ]
Switch A
Eth1/0/1
Switch B
Host B
Use the command...
Use the command...
2-2
Remarks
address is bound to a
port.
Remarks
Available in any
view