Bird 2.0.0 and reconfiguring

Ondrej Zajicek santiago at crfreenet.org
Sun Dec 17 03:26:30 CET 2017


On Sat, Dec 16, 2017 at 04:25:50PM +0100, MiƂosz Oller wrote:
> Hi
> 
> I fix it. Please tell me how I must define ipv6 session. There must be two
> bgp protocols definitions?

Hi

That depends if yo want one BGP session with both ipv4 and ipv6 AFIs, or
two independent BGP sessions, each for one AFI (like it was done with old
BIRD).

For the first case you need just one protocol (like in your example). For
the second case (which is drop-in replacement for old BIRD) you have to
define two BGP protocols, each with appropriate channel and
neighbor/source addresses.


Case 1:

> protocol bgp bgp_cloudflare_waw {
>     description "Cloudflare OpenPeering";
> ipv4 { import all;
>      export filter ipv4_export;
> };
> ipv6 { import all;
>     export filter ipv6_export;
> };
>     local as 198611;
>     neighbor 212.91.0.28 as 13335;
>     source address 212.91.1.42;
>  #   neighbor 2001:7f8:69::83 as 13335;
> #    source address 2001:7f8:69::256;
> }


Case 2:

> protocol bgp bgp_cloudflare_waw_4 {
>     description "Cloudflare OpenPeering";
>     ipv4 { import all;
>         export filter ipv4_export;
>     };
>     local as 198611;
>     neighbor 212.91.0.28 as 13335;
>     source address 212.91.1.42;
> }
>
> protocol bgp bgp_cloudflare_waw_6 {
>     description "Cloudflare OpenPeering";
>     ipv6 { import all;
>         export filter ipv6_export;
>     };
>     local as 198611;
>     neighbor 2001:7f8:69::83 as 13335;
>     source address 2001:7f8:69::256;
> }

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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