On 11.12.2018 15:07, Andrey V. Elsukov wrote: >> The FRRouting project has some basic support for rfc 5549 and I've >> been asked to see if it is possible to get this bit of code working >> with the FRRouting freebsd kernel interface. What is RFC 5549 you >> ask? The tl;dr of it is that you have v4 prefixes w/ a v6 gateway. >> For some more background the linux implementation cheats ( and I would >> like to emphatically point out that I'm not suggesting this solution, >> I'm giving the linux solution to the problem as a data point to how it >> was solved in one instance ) by installing a neighbor entry for >> `169.254.0.1 <outgoing interface> <mac address on the other side>` and >> when installing the v4 prefix we see the v6 nexthop and replace it >> with `169.254.0.1 <outgoing interface>` in the netlink message to the >> kernel. Is support of RFC 5549 possible in Freebsd? > > I have thought a bit about this, and have some ideas how implement this. > In general we can install into the kernel routes that has IPv6 address > as gateway for IPv4 (currently this is not allowed by default, but it is > easy to allow). So, as a routing daemon developer you can use generic > API to install routes where RTAX_GATEWAY is IPv6 address.
Hi,
I have implemented basic support, so it can be tested now:
https://reviews.freebsd.org/D18581
--
WBR, Andrey V. Elsukov
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