862 Tunnel Interface Commands
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 {
ipv4addr 
| vlan 
vlan-id
}
no tunnel source
•
ipv4addr
 — Valid ipv4 address.
•
vlan-id
 — Valid VLAN ID.
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 VLAN 11 as the source transport address of the tunnel.
console(config)#interface tunnel 1
console(config-if-tunnel1)#tunnel source vlan 11