Tuesday, 19 July 2011

How to configure multiple Cisco switch ports at the same time

To configure multiple switchports at the same time we use the interface range configuration command.
Switch(config)#interface range fastethernet0/1 – 20
Switch(config-if-range)#speed 100
Switch(config-if-range)#duplex full
The previous example will hardcode the speed and duplex settings on switchports 1 to 20. But this could well have been assinging them all to the same vlan.

We can even define multiple ranges.
Switch(config)#interface range fastethernet0/1 – 4 , fastethernet0/10 – 15
Notice the spaces between the ranges.

The interface range command works with vlan, port-channel, fastethernet and gigabitethernet interfaces.

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