[6bone-pl] Re: BGP4+ on 6BONE tunnel to Poland

[Lars Albertsson]

> My BGP4+ should (and does) connect to 3ffe:200:1:a::1, port 179? Am I wrong?

Yep. Sorry, I forgot BGP is on port 179.

> My filter, written according to your advices
> 
> ! to SICS
> access-list 4 deny 3ffe:200::/24 refine
> access-list 4 deny 3ffe:902::/32
> access-list 4 deny 3f00::/8
> access-list 4 permit all
> 
> filters out just everything on output. It is correct behaviour but little
> fun so I will try to send 3ffe:902::/32 too. I also added 3ffe:280::1
> address for zatoka and am sending aggregated 3ffe:280::/40. Current filter:
> 
> ! to SICS
> access-list 4 permit 3ffe:280::/40
> access-list 4 deny   3ffe:200::/24 refine
> !access-list 4 deny  3ffe:902::/32
> access-list 4 deny   3f00::/8
> access-list 4 permit all
> 
> allows to send 2 (aggregated) routes:
> 
>   P Pref Time     Destination                Next Hop                 If   Path
> >aB   20 00:00:17 3ffe:280::/40              ::                       lo0   i
> >aB   20 00:00:07 3ffe:902::/32              ::1                      lo0   ?

Seems ok. However, I am currently filtering out anything outside
3ffe:280::/40. Do you want me to change this? 

> Szczecin sends you (I have access to their mrt-router):
> 
>   P Pref Time     Destination                Next Hop                 If   Path
> >iB   20 00:18:05 3ffe:200:f::/48            3ffe:200:f::2            sit3  i
> >iB   20 00:06:37 3ffe:280::/40              3ffe:902:5::2            sit3 9999 8664 i   <----- now this one could be accepted from me directly too
> > B   20 00:15:54 3ffe:902:1::/48            3ffe:902:1::2            sit5 65432 i
> > C    0 00:19:04 3ffe:902:2::/48            ::                       eth0  i
> >iB   20 00:18:04 3ffe:902:5::/48            3ffe:902:5::2            sit3 9999 i
> 
> but only 3ffe:200:f::/48 gets through your filter if I understand correctly.

Yes, that is correct. They should not be advertising 3ffe:280::/40 to
us.

/Lalle