Cisco 300 Series

IPv6 Tunnel Commands
1021 OL-32830-01 Command Line Interface Reference Guide
53
switchxxxxxx(config)# interface vlan 1
switchxxxxxx(config-if)# tunnel mode ipv6ip isatap
switchxxxxxx(config-if)# tunnel source 1.1.1.1
switchxxxxxx(config-if)# ipv6 address 3ffe:b00:c18:1::/64 eui-64
switchxxxxxx(config-if)# exit
53.6 tunnel source
To set the local (source) IPv4 address of a tunnel interface, use the tunnel source
command in Interface (Tunnel) Configuration mode. To delete the tunnel local
address, use the no form of the command.
Syntax
tunnel source {auto
| ipv4-address | interface-id }
no tunnel source
Parameters
• auto—The system minimum IPv4 address is used as the local IPv4 address
(IPv4 address of the local tunnel endpoint).
• ip4-address —Specifies the IPv4 address to use as the local IPv4 address
(IPv4 address of the local tunnel endpoint).
• interface-id —Interface which the minimum IPv4 address is used as the
local IPv4 address (IPv4 address of the local tunnel endpoint).
Default
No source address is defined.
Command Mode
Interface (Tunnel) Configuration mode
User Guidelines
If the auto or
interface-id option is configured once time chosen IPv4 is used as the
tunnel local IPv4 address until it is defined. A new IPv4 interface is only chosen in
the following cases:
• After reboot.