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Unable to setup tunnel on Cisco IOS 12.3
![[nl]](/s/countries/nl.gif) Shadow Hawkins on Friday, 19 March 2004 16:59:04
I've got a Cisco 1605-R with IOS 12.3(6). I've added the tunnel configuration from the OS setup FAQ as follows:
interface Tunnel0
no ip address
ipv6 address 2001:838:300:C::2/64
ipv6 enable
tunnel source 213.197.11.9
tunnel destination 213.197.27.252
tunnel mode ipv6ip
!
ipv6 route 2000::/3 2001:838:300:C::1
Unfortunately, it does not work. I've checked on the SIXXS page that my Tunnel is "enabled". I've also check connectivity to my router, it's fully reachable on every proto from the outside iface.
Any help is appreciated! :-)
Here is some more diagnostic output:
router#sh ip int brief
Interface IP-Address OK? Method Status Protocol
Tunnel0 unassigned YES NVRAM up up
router#sh ipv6 route
S 2000::/3 [1/0]
via 2001:838:300:C::1
C 2001:838:300:C::/64 [0/0]
via ::, Tunnel0
L 2001:838:300:C::2/128 [0/0]
via ::, Tunnel0
L FE80::/10 [0/0]
via ::, Null0
L FF00::/8 [0/0]
via ::, Null0
router#ping ipv6 2001:838:300:c::2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:838:300:C::2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
router#ping ipv6 2001:838:300:c::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:838:300:C::1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
Unable to setup tunnel on Cisco IOS 12.3
Shadow Hawkins on Friday, 19 March 2004 23:07:17
Hi,
This is my working tunnel config, you can ignore the traffic filters for now, you can also try debugging with "debug ipv6 packet" and see what happens. Are you sure you have the right tunnel source? it resolves as solid.concepts.nl
---- My (working) config ---
ipv6 route 2000::/3 Tunnel0
ipv6 unicast-routing
!
interface Tunnel0
description sixxs IPv6 tunnel
no ip address
ipv6 address 2001:838:300:14D::2/127
ipv6 enable
ipv6 traffic-filter IPV6_IN in
ipv6 traffic-filter IPV6_OUT out
tunnel source BVI1
tunnel destination 213.197.27.252
tunnel mode ipv6ip
!
--- Some output ---
#sh ipv6 route
IPv6 Routing Table - 7 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
U - Per-user Static route
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
S 2000::/3 [1/0]
via ::, Tunnel0
C 2001:838:300:14D::2/127 [0/0]
via ::, Tunnel0
L 2001:838:300:14D::2/128 [0/0]
via ::, Tunnel0
C 2001:838:39C::/48 [0/0]
via ::, Ethernet0
L 2001:838:39C:0:20D:BDFF:FE9A:1D7A/128 [0/0]
via ::, Ethernet0
L FE80::/10 [0/0]
via ::, Null0
L FF00::/8 [0/0]
via ::, Null0
A trace to you ....
c836#traceroute 2001:838:300:C::2
Type escape sequence to abort.
Tracing the route to 2001:838:300:C::2
1 2001:838:300:14D::1 !U !U !U
A ping to your tunnel endpoint
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:838:300:C::1, timeout is 2 seconds:
UUUUU
Success rate is 0 percent (0/5)
Hope this helps,
Willem.
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