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Asa

Firewall(config)# interface hardware-id Firewall(config-if)# speed {auto| 10 | 100 | nonegotiate} Firewall(config-if)# duplex {auto| full | half} Firewall(config-if)# [no] shutdown

The interface is referenced by its hardware-id, such as GigabitEthernet0 or Ethernet0. (The actual name is not case sensitive when you enter it.)

You can set the interface speed with one of the auto (negotiate the speed; the default), 10 (10 Mbps only), 100 (100 Mbps only), or nonegotiate (fiber optic interfaces only) keywords. The duplex mode can be set using one of the following keywords: auto (autonegotiate; the default), full (full-duplex only), or half (half-duplex only).

By default, interfaces are administratively shut down with the shutdown command. You can enable an interface by using the no shutdown interface configuration command.

b. Define a VLAN interface.

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