[6bone] BGP confusion

[Michal Ludvig]

Hi all,
I'm a little confused about using the AS numbers in IPv6 sites. Here is 
a part of the zebra's example:

router bgp 7675
 neighbor 3ffe:506:1000::2 remote-as 7675
 neighbor 3ffe:506:1000::2 next-hop-self
 neighbor fe80::200:c0ff:fe30:9be3 remote-as 9377
 neighbor fe80::200:c0ff:fe30:9be3 interface sit3
 neighbor fe80::210:5aff:fe6b:3cee remote-as 7675
 neighbor fe80::210:5aff:fe6b:3cee interface eth0
 neighbor fe80::290:27ff:fe51:84c7 remote-as 4691
 neighbor fe80::290:27ff:fe51:84c7 interface sit7
[...]

If I understand it correctly, the 7675, 9377 and 4691 are numbers of 
autonomous systems. But how do I get an AS number of an IPv6 site? 

I'm about to set up BGP routing first inside my IPv6 network and then 
perhaps even for external tunnels, but what AS number should I use for my 
internal network with a prefix obtained from xs26.net? Is that an AS 
number of IPv4 address of my "border" router? 

Thanks in advance for clarifying this issue.

Michal Ludvig
-- 
http://www.ipv6.logix.cz