Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 2 GRE Configuration Commands
3Com Corporation
2-6
2.1.6 interface tunnel
Syntax
interface tunnel number
undo interface tunnel number
view
System view
Parameter
number: Tunnel interface number, in the range 0 to 1023.
Description
Use the interface tunnel command to create a tunnel interface and enter the view of
this tunnel interface.
Use the undo interface tunnel command to delete the specified tunnel interface.
By default, there is no tunnel interface in the system.
The interface tunnel command is used to enter interface view of the specified tunnel. If
the tunnel interface does not exist, the system will create it before entering tunnel
interface view.
Tunnel interface numbers have only local significance. The two ends of a tunnel can
use the same or different interface numbers.
Related command: source, destination, gre key, gre checksum, tunnel-protocol.
Example
# Create interface Tunnel 3.
[Quidway] interface tunnel 3
2.1.7 keepalive
Syntax
keepalive [ seconds ] [ times ]
undo keepalive
View
Tunnel interface view
Parameter
seconds: Internal for sending keepalive messages in seconds. It is in the range 1 to
32,767 and defaults to 10.