Mysterious - Tun0 IPv6 interface

From: Michael <mamiller2_at_comcast.net>
Date: Thu, 28 Jan 2010 00:17:54 -0700

Hello All,

 

Can anyone comment on how this Tunnel0 interface appears and why?

 

R2#s ipv6 int br

FastEthernet0/0 [up/up]

    FE80::C001:4BFF:FE11:0

    2001:12:1:0:C001:4BFF:FE11:0

FastEthernet0/1 [up/up]

    FE80::C001:4BFF:FE11:1

    2001:13:1:0:C001:4BFF:FE11:1

Serial1/0 [administratively down/down]

Serial1/1 [administratively down/down]

Serial1/2 [administratively down/down]

Serial1/3 [administratively down/down]

Tunnel0 [up/up] < ---
This Tunnel0 interface

    FE80::C001:4BFF:FE11:0

    unnumbered (FastEthernet0/0)

R2#

 

R2#s run full

Building configuration...

 

Current configuration : 1501 bytes

!

version 12.4

service timestamps debug datetime msec

service timestamps log datetime msec

no service password-encryption

!

hostname R2

!

boot-start-marker

boot-end-marker

!

!

no aaa new-model

memory-size iomem 5

ip cef

!

!

!

!

no ip domain lookup

ip multicast-routing

ipv6 unicast-routing

ipv6 cef

ipv6 multicast-routing

!

multilink bundle-name authenticated

!

!!

archive

 log config

  hidekeys

!

 

interface FastEthernet0/0

 ip address 66.12.1.2 255.255.255.0

 speed 100

 full-duplex

 ipv6 address 2001:12:1::/64 eui-64

 ipv6 enable

 ipv6 ospf 1 area 0

!

interface FastEthernet0/1

 ip address 66.23.1.1 255.255.255.0

 speed 100

 full-duplex

 ipv6 address 2001:13:1::/64 eui-64

 ipv6 enable

 ipv6 ospf 1 area 0

!

interface Serial1/0

 no ip address

 shutdown

 serial restart-delay 0

!

interface Serial1/1

 no ip address

 shutdown

 serial restart-delay 0

!

interface Serial1/2

 no ip address

 shutdown

 serial restart-delay 0

!

interface Serial1/3

 no ip address

 shutdown

 serial restart-delay 0

!

ip forward-protocol nd

!

!

ip http server

no ip http secure-server

!

ipv6 router ospf 1

 router-id 2.2.2.2

 log-adjacency-changes

!

 

!

control-plane

!

!

!!

alias configure e end

alias configure ds do show ip route

alias configure da do show ip access-list

alias exec c config t

alias exec ds show ip route

alias exec da show ip access-list

!

line con 0

 exec-timeout 0 0

 logging synchronous

line aux 0

line vty 0 4

 login

!

!

end

 

R2#

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Received on Thu Jan 28 2010 - 00:17:54 ART

This archive was generated by hypermail 2.2.0 : Thu Feb 04 2010 - 20:28:42 ART