Specifications

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Cisco IOS Command Reference for Cisco Aironet Access Points and Bridges
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Chapter 2 Cisco IOS Commands for Access Points and Bridges
duplex
Defaults The default duplex setting is auto.
Command Modes Interface configuration mode
Command History
Usage Guidelines Cisco recommends that you use auto, the default setting, for both the speed and duplex settings on the
Ethernet port.
When the access point or bridge receives inline power from a switch, any change in the speed or duplex
settings that resets the Ethernet link reboots the unit. If the switch port to which the wireless device is
connected is not set to auto, you can change the wireless device port to half or full to correct a duplex
mismatch and the Ethernet link is not reset. However, if you change from half or full back to auto, the
link is reset and, if the wireless device receives inline power from a switch, the wireless device reboots.
Note The speed and duplex settings on the wireless device Ethernet port must match the Ethernet settings on
the port to which the wireless device is connected. If you change the settings on the port to which the
wireless device is connected, change the settings on the wireless device Ethernet port to match.
Examples This example shows how to configure the Ethernet port for auto duplex:
AP(config-if)# duplex auto
Related Commands
Release Modification
12.2(4)JA This command was introduced.
Command Description
speed (Ethernet interface) Configures the speed setting on the Ethernet port