[Babel-users] Send: Cannot assign requested address

Juliusz Chroboczek jch at irif.fr
Thu Feb 3 18:33:12 GMT 2022


> The mystery is partly solved. Most importantly, ipv6 and babeld are both
> now working!

Good.

> The source of the problem lies in ipv6's DAD (duplicate address
> detection). If I understand correctly, when an ipv6 address is assigned,
> dad is supposed to check the network to see if the newly assigned ipv6
> address is already in use elsewhere. For some unknown reason, this does
> not happen.

Under Linux, both address assignment and DAD is triggered by link sense.
It looks like for some reason your interface doesn't has a bug with link
sense.  Since ad-hoc mode is pretty much unsupported, I'm not surprised
there are bugs there.

> It is perhaps not ideal, but it is a very quick and easy solution.

Cool.

-- Juliusz



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