New to routing: radv Network not found?

[Maria Matejka]

Hello!

It looks like you are missing "protocol device {}" which you need for BIRD to actually know about the interfaces and assigned addresses.

Maria

On 24 April 2023 21:01:31 EEST, Alessandro Vesely <vesely at tana.it> wrote:
>Hi all,
>
>I installed bird2 (Debian stock) and configured radv, following the documented example.
>
>When bird it started, it said:
>Apr 24 12:36:55 31 north bird: static1: Channel ipv6 connected to table radv_routes
>Apr 24 12:36:55 31 north bird: static1: Initializing
>Apr 24 12:36:55 31 north bird: radv1: Channel ipv6 connected to table radv_routes
>Apr 24 12:36:55 31 north bird: radv1: Initializing
>Apr 24 12:36:55 31 north bird: static1: Starting
>Apr 24 12:36:55 31 north bird: static1: State changed to up
>Apr 24 12:36:55 31 north bird: radv1: Starting
>Apr 24 12:36:55 31 north bird: radv1: State changed to up
>Apr 24 12:36:55 30 north bird: Started
>Apr 24 12:36:55 31 north bird: radv1 < interface eth2r created
>Apr 24 12:36:55 31 north bird: radv1 < interface ppp0 created
>
>
>No more logging.  After some hours I get this:
>541-north:bird# birdc show route for 2a02:29e1:300:e922::2
>BIRD 2.0.7 ready.
>Network not found
>
>What does it mean?  I configured static routes in the kernel.  Perhaps I should only configure them in bird.
>542-north:bird# ip route get 2a02:29e1:300:e922::2
>2a02:29e1:300:e922::2 from :: dev eth2r proto kernel src 2a02:29e1:300:e922::1 metric 256 pref medium
>
>My ISP assigned to me 2a02:29e1:300:e900/56.  I have a few addresses assigned locally, and 2a02:29e1:300:e922::1 to the lan interface (eth2r), reserving that /64 for lan hosts.  A neighboring PC has 2a02:29e1:300:e922::2/64.
>
>External routing doesn't work, but this is another question (also asked on stackexchange: https://unix.stackexchange.com/questions/742826/ipv6-over-pppoe)
>
>There must be something wrong in the config, which I don't know how to fix.  I paste it below.  What did I get wrong?
>
>TIA
>Ale
>
>
>-----8<-----
># This is a basic configuration file, which contains boilerplate options and
># some basic examples. It allows the BIRD daemon to start but will not cause
># anything else to happen.
>#
># Please refer to the BIRD User's Guide documentation, which is also available
># online at http://bird.network.cz/ in HTML format, for more information on
># configuring BIRD and adding routing protocols.
>
># Configure logging
>log syslog all;
>
># Set router ID. It is a unique identification of your router, usually one of
># IPv4 addresses of the router. It is recommended to configure it explicitly.
>router id 185.8.198.188;
>
># Turn on global debugging of all protocols (all messages or just selected classes)
>debug protocols all;
>debug protocols { interfaces, states };
>
>ipv6 table radv_routes;             # Manually configured routes go here
>
>protocol static {
>	ipv6 { table radv_routes; };
>
>	route 2a02:29e1:300:e922::/64 via "eth2r";
>	route 2a02:29e1:300:e900::/56 unreachable;
>	route ::0/0 via "ppp0";
>}
>
>protocol radv {
>	propagate routes yes;           # Propagate the routes from the radv_routes table
>	ipv6 { table radv_routes; export all; };
>
>	interface "ppp0" {
>		prefix ::/0 {
>			autonomous off;         # So do not autoconfigure any IP
>		};
>	};
>
>	interface "eth2r";              # No need for any other options
>}
>----->8-----
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