Administrator Guide

Layer 3 Routing Commands 1823
console(config)#interface tunnel 1
console(config-if-tunnel1)#tunnel destination 10.1.1.1
tunnel mode ipv6ip
Use the tunnel mode ipv6ip command in Interface Configuration mode to
specify the mode of the tunnel.
Syntax
tunnel mode ipv6ip [6to4]
no tunnel mode
• 6to4 — Sets the tunnel mode to automatic.
Default Configuration
This command has no default configuration.
Command Mode
Interface Configuration (Tunnel) mode.
User Guidelines
This command has no user guidelines.
Example
The following example specifies ipv6ip mode for tunnel 1.
console(config)#interface tunnel 1
console(config-if-tunnel1)#tunnel mode ipv6ip
console(config-if-tunnel1)#tunnel mode ipv6ip 6to4
tunnel source
Use the tunnel source command in Interface Configuration mode to specify
the source transport address of the tunnel, either explicitly or by reference to
an interface.
Syntax
tunnel source {ip-address | interface-type interface-number}