From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Fri Apr 15 2005 - 12:03:34 GMT-3
If the tunnel is up/down this is not an IPv6 problem. The
addresses are in tentative state because DAD has not had a chance to run
yet. Double check IPv6IP reachability between 150.1.4.4 and 150.1.5.5
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Capt.Spock
> Sent: Friday, April 15, 2005 9:57 AM
> To: Group Study
> Subject: IPV6 address struck in TENTATIVE state...
>
> Having an issue with Tunnel in up/down state, preventing RIPng to work
> properly.
>
> As per DOC-Cd the new address remains in a tentative state while
> duplicate address detection is performed.
>
>
> R4#sh ipv6 interface tunnel0
> Tunnel0 is up, line protocol is down
> IPv6 is enabled, link-local address is FE80::9601:404 [TENTATIVE]
> Global unicast address(es):
> 2001:CC1E:1:4545::4, subnet is 2001:CC1E:1:4545::/64 [TENTATIVE]
>
> R5#sh ipv6 interface tunnel0
> Tunnel0 is up, line protocol is down
> IPv6 is enabled, link-local address is FE80::9601:505 [TENTATIVE]
> Global unicast address(es):
> 2001:CC1E:1:4545::5, subnet is 2001:CC1E:1:4545::/64 [TENTATIVE]
>
> .......................................Full
> Config...................................................
>
> R4
> interface Loopback0
> ip address 150.1.4.4 255.255.255.0
> !
> interface Tunnel0
> no ip address
> ipv6 address 2001:CC1E:1:4545::4/64
> ipv6 rip 1 enable
> tunnel source 150.1.4.4
> tunnel destination 150.1.5.5
> tunnel mode ipv6ip
> !
> interface Ethernet0/0
> no ip address
> half-duplex
> ipv6 address 2001:CC1E:1:404::/64 eui-64
> ipv6 rip 1 enable
> !
> interface Serial0/0
> ip address 183.1.0.4 255.255.255.0
> encapsulation frame-relay
> frame-relay map ip 183.1.0.5 405 broadcast
> no frame-relay inverse-arp
> frame-relay lmi-type cisco
>
> ipv6 host R5 2001:CC1E:1:505:201:96FF:FED0:E620
> ipv6 router rip 1
>
> R5
> interface Loopback0
> ip address 150.1.5.5 255.255.255.0
> !
> interface Tunnel0
> no ip address
> ipv6 address 2001:CC1E:1:4545::5/64
> ipv6 rip 1 enable
> tunnel source 150.1.5.5
> tunnel destination 150.1.4.4
> tunnel mode ipv6ip
> !
> interface Ethernet0/0
> no ip address
> half-duplex
> ipv6 address 2001:CC1E:1:505::/64 eui-64
> ipv6 rip 1 enable
> !
> interface Serial0/0
> ip address 183.1.0.5 255.255.255.0
> encapsulation frame-relay
> frame-relay map ip 183.1.0.4 504 broadcast
> no frame-relay inverse-arp
> frame-relay lmi-type cisco
>
> ipv6 host R4 2001:CC1E:1:404:230:85FF:FEC4:6260
> ipv6 router rip 1
>
> Ping to 183.1.0.4 is success so frame relay is fine.
>
>
This archive was generated by hypermail 2.1.4 : Tue May 03 2005 - 07:54:58 GMT-3