Date: Fri, 21 Feb 2025 15:31:53 +0200 From: Eugene Pereviazko <john@dnepro.net> To: freebsd-net@freebsd.org Subject: Re: rtadvd(8) How to IPv6 tokenize interface identifier Message-ID: <a246f982-f0d9-9447-75d2-7c86bacea558@dnepro.net> In-Reply-To: <20250221075300.4466057d@thor.sb211.local> References: <20250221075300.4466057d@thor.sb211.local>
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21.02.25 08:52, A FreeBSD User пише: > Hello, > > Linux (especially OpenWRT we use) knows about a concept named "IPv6 tokenized interface > identifier". The concept is self explanatory, a interface/router obtains a propagated prefix > and the concept allows the explicit definition of the host portion. > > I haven't managed to accomplish such a behaviour using FreeBSD's rtadvd(8) daemon. I guess > this task is subject of and performed through the rtadvd.conf(5) configuration file, but I > haven't managed yet to accomplish such a task (to speak simple: I'd like to have a router of a > subnet always at IPv6 Network PREFIX:0:0:0:1). Am I correct that you want your host to combine predefined host part (instead of eui64) with dynamically received prefix? Like, set host part to ::DEAD:1 then receive 2001:db8:1234:4321::/64 prefix from router and get your address of 2001:db8:1234:4321::DEAD:1? Then rtadvd is not a tool for that. rtadvd is for advertising, not receiving advertisements. If I'm not mistaken You should try dhcpcd from ports or packages, specifically "slaac token" verb, as I don't know of similar feature in base system. > Linux has this feature since a while and I can not believe that FreeBSD lacks such a feature. > > Thank you very much in advance, > > O. Hartmann > > -- Eugene Pereviazko
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