1750 CHAPTER 103: GRE CONFIGURATION COMMANDS

display interface tunnel

Syntax display interface tunnel [ number ]

View Any view

Parameter number: Tunnel interface number.

Description Use the display interface tunnel command to display information about a specified or all tunnel interfaces.

If the number argument is not specified, the command displays information about all tunnel interfaces.

Related command: source, destination, gre key, gre checksum, and tunnel-protocolon page 887.

Example # Display information about interface Tunnel0.

<Sysname> display interface tunnel 0 Tunnel0 current state: UP

Line protocol current state: UP

Description: Tunnel0 Interface

The Maximum Transmit Unit is 64000

Internet Address is 10.1.2.1/24 Primary

Encapsulation is TUNNEL, aggregation ID not set

Tunnel source 192.13.2.1, destination 192.13.2.2

Tunnel keepalive disable

Tunnel protocol/transport GRE/IP

GRE key value is 123

Checksumming of GRE packets enabled

Last 300 seconds input:

0 bytes/sec, 0 packets/sec

Last 300 seconds output:

0 bytes/sec, 0 packets/sec

361 packets input,

9953388 bytes

0 input error

 

 

361 packets output,

30324 bytes

0 output error

 

 

Table 468 Description on the fields of the display interface tunnel command

 

 

Field

Description

 

 

Tunnel0 current state

Status of the physical layer of the tunnel interface, UP or

 

DOWN

Line protocol current state

Status of the link layer of the tunnel interface, UP or DOWN

Description

Descriptive information of the tunnel interface

Tunnel0 Interface

Number of the tunnel interface

Maximum Transmit Unit

Maximum transmission unit on the tunnel

Encapsulation is TUNNEL

The encapsulation protocol is TUNNEL.

aggregation ID

ID of the link aggregation group applied to the tunnel. If

 

the device does not support link aggregation group

 

configuration or no link aggregation group is specified, the

 

message “aggregation ID not set” is displayed.

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3Com MSR 30, MSR 50 manual Example # Display information about interface Tunnel0, Down