Command
IP access-group
Use
This command is used to apply an access-list to an interface.
Syntax
Router(config-if)#ip access-group <list> <in or out>
Option
| <auto> | automatically determine the duplex mode by checking with the neighbor |
| <in> | applies the access-list to inbound traffic on the interface. |
| <out> | applies the access-list to traffic leaving the router. |
Example
In this example, we will apply access-list 101 to R1’s Fa0/0.
R1(config)#int fa0/0 R1(config-if)#ip access-group 101 in