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1750 CHAPTER 103: GRE CONFIGURATION COMMANDS
display interface tunnel
Syntax display interface tunnel [ number ]
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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-protocol on 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.