L2SWにIPを設定する最短手順

Vlan 1 に 192.168.2.251/24 を割り当てる例

コマンド

interface Vlan1
 ip address 192.168.2.251 255.255.255.0
 no shutdown

標準出力

         --- System Configuration Dialog ---

Enable secret warning
----------------------------------
In order to access the device manager, an enable secret is required
If you enter the initial configuration dialog, you will be prompted for the enable secret
If you choose not to enter the intial configuration dialog, or if you exit setup without setting the enable secret,
please set an enable secret using the following CLI in configuration mode-
enable secret 0 <cleartext password>
----------------------------------
Would you like to enter the initial configuration dialog? [yes/no]: no
Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#
*Mar  1 00:25:56.413: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up
Switch(config)#
Switch(config)#interface Vlan1
Switch(config-if)# ip address 192.168.2.251 255.255.255.0
Switch(config-if)# no shutdown

確認

ping 192.168.2.251

2つ目のIPをつける方法

ip address 192.168.2.250 255.255.255.0 secondary

注意点

Vlan 1 に 192.168.2.251/24 を割り当てて、
他のVlanに 同じく 192.168.2.251/24 を割り当てることはIOSの制限でできない。

overlaps with

• 参考: 設定できないIPアドレスがあることを知る