H3C S7500E Series Command Manual page 51

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Command Manual – VLAN

H3C S7500E Series Ethernet Switches

Normally, a VLAN interface has one IP address. To enable a device to connect to

multiple subnets through a VLAN, you can assign multiple IP addresses to a VLAN

interface, among which one is the primary IP address and the rest are secondary IP

addresses. On an S7500E series Ethernet switch, you can assign up to five IP

addresses to a VLAN interface. As for the primary and secondary IP addresses of a

VLAN interface, note that:

A newly configured main IP address will replace the original one, if there is one.

Using the undo ip address command without any parameter indicates that all IP

addresses will be deleted from the VLAN interface.

Use the undo ip address ip-address { mask | mask-length } command to delete

the main IP address.

Use the undo ip address ip-address { mask | mask-length } sub command to

delete a sub-interface.

Note that before deletion of the main IP address you must first delete the sub-IP

# Specify the IP address as 1.1.0.1, the sub-net mask as 255.255.255.0 for the VLAN

interface 1.

<Sysname> system-view

[Sysname] interface vlan-interface 1

[Sysname-Vlan-interface1] ip address 1.1.0.1 255.255.255.0

1.1.6 shutdown

undo shutdown

VLAN interface view

Use the shutdown command to shut down a VLAN interface.

Use the undo shutdown command to bring up a VLAN interface.

By default, the VLAN interface is down if all ports in the VLAN are down, as long as one

port in the VLAN is up, the VLAN interface will be up

Chapter 1 VLAN Configuration Commands

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