[Babel-users] Babel in Bird 1.6.0

[Juliusz Chroboczek]

> But those updates seem to set flag 0x40, so that's not "without a router
> ID" is it?

Yeah, it was meant to clear the router-id.

>> The plan is to explicitly allow such retractions in RFC 6126-bis, but
>> they are clearly not allowed by RFC 6126.

> Hmm, the RFC says this (which I seem to have previously missed):

>   If the metric field is FFFF hexadecimal, this TLV specifies a
>   retraction.  In that case, the current router-id and the Seqno are
>   not used.  AE MAY then be 0, in which case this Update retracts all
>   of the routes previously advertised on this interface.

> Doesn't that make them in spec?

It was certainly my intent to allow them, but Markus disagreed.

-- Juliusz