How does a Cisco switch add multiple ports at once in a VLAN?

Cisco switch in the VLAN how to add multiple ports at a time, this is usually used in the process of our configuration, because if one of the add port, the workload will be very large, so need to add multiple ports at once, the following by the small set of specific operations to introduce

1, first through the Consolo port or telnet to connect the switch to enter the user mode "", as shown in the picture:

2, in user mode input "en", into the privileged mode "sw#", as shown in the picture:

3, in the privileged mode of input "conf T", into the global mode "Sw (config) #", as shown in the figure:

4, next in the global mode into the interface mode, enter the "int range f0/1-3", here Note that use range parameter to enter multiple interfaces, here Select F0/1, F0/2, F0/3, three interfaces. As shown in the figure:

5, and then add the three interfaces to the VLAN 20, in the interface mode, enter "No switchport access VLAN 20", as shown in the figure:

6, finally we use "show run" to view the switch configuration, you can see that three interfaces have been added to the VLAN 20, as shown in the figure: