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Subinterface Configuration Mode

In this mode, you can configure one or more virtual interfaces, called subinterfaces, on a single physical interface. The system supports this feature with ATM and Frame Relay.

Both ATM and Frame Relay provide permanent virtual circuits (PVCs) that can be grouped under separate subinterfaces configured on a single physical interface. Subinterfaces allow multiple encapsulations for a protocol on a single interface.

From Interface Configuration mode, indicate a subinterface by typing the interface command and an interfaceSpecifier in slot/port.subinterface format, and then press Enter. For example:



host1(config-if)#interface atm 3/2.6 

host1(config-subif)#

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