Problem with gif and IPv6 in -CURRENT

[Bjoern A. Zeeb]

On Fri, 8 Dec 2006, gnn at freebsd.org wrote:

Hi,

> At Thu, 07 Dec 2006 17:44:43 -0500,
> Joe Marcus Clarke wrote:
>> I am running:
>>
>> FreeBSD jclarke-pc 7.0-CURRENT FreeBSD 7.0-CURRENT #81: Thu Dec  7
>> 16:06:32 EST 2006     marcus at jclarke-pc:/usr/obj/usr/src/sys/JCLARKE-PC
>>  i386
>>
>> And I am trying to get a gif IPv6 tunnel up to a Cisco router.  I can
>> get this to work on a 6.2-PRERELEASE server, but the -CURRENT machine
>> always claims there is no route to the far end of the point-to-point
>> link.  Here is my config:
>
> I have not tried this yet, but I should.  I'll report back to the list
> after I update my FreeBSD IPv6 router to CURRENT.

I don't know 6.x vs. HEAD differences either but the real problem
here seems to be (to my understanding) that it is not a point-to-point
link in the legacy thinking with v6.

>> # ifconfig gif0 create
>> # ifconfig gif0 tunnel 172.18.173.17 10.29.100.75
>> # ifconfig gif0 inet6 3ffe:604::2 3ffe:604::1 prefixlen 128

what you should do here instead is:
ifconfig gif0 inet6 3FFE:604::2/126

I'd be interested if this helps.

PS: why are you still using 6bone addresses?

-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT