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Re: IPv6 routing problems



On Wed, Jul 25, 2001 at 08:07:42PM -0700, Jeremy T. Bouse wrote:
>   .___________.            .___________.            .__________.
>   | Host 1    |            | Gateway 1 |            | HE.net   |
>   | v4: x.173 |--- eth0 ---| v4: x.170 |--- tun0 ---| v4: y.26 |
>   | v6: p:EUI |            | v6: p:EUI |            | v6: stat |
>   `-----------'            `-----------'            `----------'
> 
> 	In this map x is my IPv4 /28 network and p is my IPv6 Global
> prefix from HE.net /64... This is how they talk over the ethernet LAN
> and has no problem communicating... All IPv6 addresses are EUI-64...
> 
> 	In the tunnel configuration the IPv6 addresses are static...
> My side is ::1671 and theirs is ::1670 under the  same prefix using
> a /127 subneting.. Gateway 1 and HE.net have no problems talking...

Can something, anything, ping your IPv6 address of the eth0 port on
gateway1?  It might be that he.net does not have a route to your /28
network.  When you ping from your gateway, you are using the ::1671
address.

Also does your other machine have a route out to the rest of the
network?
I find tcpdump VERY handy in this situation.

  - Craig
-- 
Craig Small VK2XLZ  GnuPG:1C1B D893 1418 2AF4 45EE  95CB C76C E5AC 12CA DFA5
Eye-Net Consulting http://www.eye-net.com.au/        <csmall@eye-net.com.au>
MIEEE <csmall@ieee.org>                 Debian developer <csmall@debian.org>



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