bgp load balance and ipv6 radvd

[Ondrej Zajicek]

On Sun, Sep 15, 2013 at 01:26:39PM +0300, HL wrote:
> Hello,
>
> I am watching this project for a year now and I Feel that it's time to  
> try some of its features
>
> I have 2x2811 cisco connected to the isps
>
> Behind them I have a linux box running shorewall firewall and
> wish to have some routing daemon to manage fail over and load ballancing  
...
> Can I achieve the load balancer and fail over with bird with a conf like  
> the above ...

Well, you can use an equivalent config for BIRD, see this:

https://gitlab.labs.nic.cz/labs/bird/wikis/BGP_example_2

> If yes that is Great cause here comes Q2
>
> Q2
> One of the isp's is giving me a /64 ipv6 dynamic prefix ....
>
> Since I thought I saw some radvd daemon included in bird ...
>
> Can radvd be confed to break this dynamic ipv6 and distribute it to the  
> internal zones and network ???

/64 is the longest prefix and should not be divided further  (although
it may work, but not with RA-based autoconfiguration ), but generally
the RAdv protocol in BIRD just announces what is assigned to network
ifaces. So if, e.g., your ISP gives you the prefix using DHCPv6 and your
DHCPv6 client (or a script called from it) assigns subnetworks to
local/internal ifaces, then BIRD learns that and propagates them.

-- 
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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