Command Reference Guide

20 ● display interface tunnel 3Com Router 5000 Family and Router 6000 Family
Command Reference
display interface tunnel
Purpose Use the display interface tunnel command to view the working status of
tunnel interface.
Syntax display interface tunnel [number ]
Parameters number
Tunnel interface ID.
Example Display the current tunnel interface.
<3Com> display interface tunnel 2
Tunnel2/0/4 is up, line protocol is up
Description : 3COM, 3Com Series, Tunnel2 Interface
The Maximum Transmit Unit is 1500
Internet Protocol processing is disable
Encapsulation is TUNNEL, loopback not set
Tunnel source 1.1.254.88 (Ethernet2/0/0), destination 1.1.254.11
Tunnel protocol/transport GRE/IP, key disabled
Checksumming of packets disabled
5 minutes input rate 0 bytes/sec, 0 packets/sec
5 minutes output rate 0 bytes/sec, 0 packets/sec
0 packets input, 0 bytes
0 input error
0 packets output, 0 bytes
0 output error
Table 1 Description on the fields of the display interface tunnel 2 command
Field Description
Tunnel2 is up The physical layer of the tunnel interface is up.
line protocol is up The link layer of the tunnel interface is up.
Description The description information of the tunnel interface, being 3COM in
this example.
3Com Series The router is 3Com series
Tunnel2 Interface Tunnel interface number
Maximum Transmit Unit The size of MTU in the tunnel, being 1500 bytes in this example
Encapsulation The tunnel formed by encapsulated GRE protocol
Loopback Enable/Disable loopback test. Because the tunnel interface does not
support loopback test, disabled loopback is the case in this example.
Tunnel source Source address of the tunnel, being 1.1.254.88 here.
Ethernet2/0/0 The interface of tunnel source address is Ethernet 2/0/0.
destination Destination address of the tunnel, being 1.1.254.11 here.
Tunnel protocol/transport Encapsulation protocol and transport protocol of the tunnel, being
GRE and IP here.
key Identification keyword of the tunnel interface, which is not specified
here.
Checksumming of
packets
End-to-end check of the tunnel, being disabled here.
5 minutes input rate Input rate in seconds within the last 5 minutes