1-5
Field Description
Physical
Physical state of the interface, which can be
z *down: Indicates that the interface is administratively down; that is,
the interface is shut down with the shutdown command.
z down: Indicates that the interface is administratively up but its
physical state is down, which may be caused by a connection or link
failure.
z up: Indicates that both the administrative and physical states of the
interface are up.
Protocol
Network layer protocol state of the interface, which can be
z down: Indicates that the protocol state of the interface is down, which
is usually because that no IP address is assigned to the interface.
z up: Indicates that the protocol state of the interface is up.
Description
Interface description information (for detailed information, refer to VLAN
Configuration and VLAN Commands).
If the description has no more than 12 characters, the whole description
can be displayed. If it has more than 12 characters, only the first nine
characters are displayed.
ip address
Syntax
ip address ip-address { mask | mask-length }
undo ip address [ ip-address { mask | mask-length } ]
View
VLAN interface view, loopback interface view
Parameters
ip-address: IP address, in dotted decimal notation.
mask: Subnet mask, in dotted decimal notation.
mask-length: Subnet mask length, the number of consecutive ones in the mask. It is in the range of 0 to
32.
Description
Use the ip address command to specify an IP address and mask for a VLAN or loopback interface.
Use the undo ip address command to remove an IP address and mask of a VLAN or loopback
interface.
By default, no IP address is configured for VLAN or loopback interface.
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