3Com Switch 8800 Family IPsec Module Configuration and Command reference Guide

21
GRE CONFIGURATION COMMANDS
debugging tunnel Syntax
debugging tunnel
undo debugging tunnel
View
User view
Parameter
None
Description
Use the debugging tunnel command to enable the debugging for tunnel.
Use the undo debugging tunnel command to disable the debugging output.
Example
# Enable the debugging for tunnel.
<SecBlade_VPN> debugging tunnel
destination Syntax
destination ip-addr
undo destination
view
Tunnel interface view
Parameter
ip-addr: IP address of the physical interface used by the peer end of the tunnel.
Description
Use the destination command to specify the destination IP address to be filled in
the added IP header at the time of tunnel interface encapsulation.
Use the undo destination command to delete the defined destination address.
By default, destination address of tunnel is not specified in the system.
The specified tunnel destination address is IP address of the real physical interface
receiving GRE packets, which should be the same as the specified source address