Re: "Tunnel0" is created automatically on enabling "ipv6

this is very poorly documented on the doccd under IPv6 multicast
configuration, the only mention i have been able to find there is this
command reference:

Step 9

show ipv6 pim [vrf *vrf-name*] tunnel [*interface-type interface-number*]
Example:

Router# show ipv6 pim tunnel

Displays information about the PIM register encapsulation and
de-encapsulation tunnels on an interface.

Step 9

show ipv6 pim [vrf *vrf-name*] tunnel [*interface-type interface-number*]
Example:

Router# show ipv6 pim tunnel

Displays information about the PIM register encapsulation and
de-encapsulation tunnels on an interface.
show ipv6 pim [vrf vrf-name] tunnel [interface-type interface-number]
Example:
Router# show ipv6 pim tunnel
 Displays information about the PIM register encapsulation and
de-encapsulation tunnels on an interface.

Sample Output from the show ipv6 pim tunnel Command
The following is sample output from the show ipv6 pim tunnel command on the
RP:
Router# show ipv6 pim tunnel
Tunnel0*
 Type :PIM Encap
 RP :100::1
 Source:100::1
Tunnel0*
 Type :PIM Decap
 RP :100::1
 Source: -

 --
Garry L. Baker

"With sufficient thrust, pigs fly just fine..." - RFC 1925

On Tue, May 24, 2011 at 2:20 AM, Tapas Das <tapas_75_at_hotmail.com> wrote:

> C1(config)#ipv6 uni
> C1(config)#ipv6 unicast-routing
> C1(config)#ipv6 multi
> C1(config)#ipv6 multicast-r
> C1(config)#ipv6 multicast-routing
> C1(config)#
> *Mar 1 00:42:58.895: %LINEPROTO-5-UPDOWN: Line protocol on Interface
> Tunnel0,
> changed state to up
>
>
>
> In myLab setup , I see "Tunnel0" is created automatically on enabling "ipv6
> multicast-routing"
>
> Why is "tunnel0" created.
>
>
> Regards
> Tapas T Das
>
>
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Received on Tue May 24 2011 - 03:46:01 ART