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Re: ipv6 interface automatical up?



On Thu, 2004-07-15 at 21:11, Jan Wagner wrote:

> My ipv6 Interface doesnt come up automatical, any ideas?

<SNIP>

> auto ipv6
> iface ipv6 inet6 v4tunnel
>         address 2001:8d0:20ff:fffe::7
>         netmask 127
>         endpoint 217.145.98.77
>         ttl 64
>         gateway 2001:8d0:20ff:fffe::6
>         up ip addr add 2001:8d0:20ff:fffe::5/127 dev ipv6
>         down ip addr del 2001:8d0:20ff:fffe::5/127 dev ipv6

This almost matches:
http://www.sixxs.net/faq/connectivity/?faq=ossetup&os=linuxdebian

I never use 'gateway' though as one used to have to use 2000::/3, also
why are you adding another /127 prefix on the thing?

Btw, using /127 tunnels can lead into nasty problems with routes getting
set to localhost as the :: address is for anycast of the prefix...

<SNIP>

> # ifup ipv6
> # ifconfig ipv6
> ipv6      Protokoll:IPv6-nach-IPv4
>           inet6 Adresse: fe80::d991:6309/64 Gültigkeitsbereich:Verbindung
>           inet6 Adresse: fe80::d991:630d/64 Gültigkeitsbereich:Verbindung
>           inet6 Adresse: 2001:8d0:20ff:fffe::5/127 Gültigkeitsbereich:Global
>           inet6 Adresse: 2001:8d0:20ff:fffe::7/127 Gültigkeitsbereich:Global

Two link-local addresses ? :)

ipv6calc -i 2002:d991:6309:: 2>&1 | grep "IPv4 address"
Address type is 6to4 and included IPv4 address is: 217.145.99.9

ipv6calc -i 2002:d991:630d:: 2>&1 | grep "IPv4 address"
Address type is 6to4 and included IPv4 address is: 217.145.99.13

This surely isn't correct, it doesn't even match your local IPv4 address

Which kernel and also which debian version is this?

Greets,
 Jeroen

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