16
Port Binding Configuration
Wh n configuring port binding, go to these sections for infor
e
mation you are interested in:
z
Port Binding Overview
Displaying and Maintaining Port Binding Configuration
z
Example
z
Port Binding Configuration
g Overview
Introd
eceives a packet, it searches the binding entry. If the
the binding entry, the port forwards the
Curr
policies:
z
ly if the
ards the packet.
IP-MAC binding: binds an IP address to a MAC address. The switch forwards only the packets
ced from the bound source MAC address and source IP address.
Port Bindin
uction
Binding is a simple security mechanism. Through the binding configuration on the switch, you can filter
the packets forwarded on the ports. When a port r
information carried in the packet matches the information in
packet. Otherwise, the port discards the packet.
ently, the switch provides the following binding
z
Port-IP binding: binds a port to an IP address. On the bound port, the switch forwards only the
packets sourced from the bound IP address.
z
Port-MAC binding: binds a port to a MAC address. On the bound port, the switch forwards only the
packets sourced from the bound MAC address.
Port-MAC-IP binding: binds a MAC address and an IP address to a port. On the port, if the source
IP address of a received packet matches a binding entry, the port forwards the packet on
source MAC address of the packet also matches the entry. If the source IP address of a packet
does not match any entry in the port-MAC-IP binding table, the port forw
z
sour
When a port is bound, the binding applies only to the port.
Conf
Follow these steps to configure port binding:
iguring Port Binding
16-1