Date: Sun, 23 Feb 2025 18:05:40 +0100 From: A FreeBSD User <freebsd@walstatt-de.de> To: Eugene Pereviazko <john@dnepro.net> Cc: freebsd-net@freebsd.org Subject: Re: rtadvd(8) How to IPv6 tokenize interface identifier Message-ID: <20250223180607.3dad6d16@thor.sb211.local> In-Reply-To: <a246f982-f0d9-9447-75d2-7c86bacea558@dnepro.net> References: <20250221075300.4466057d@thor.sb211.local> <a246f982-f0d9-9447-75d2-7c86bacea558@dnepro.net>
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[-- Attachment #1 --] Am Fri, 21 Feb 2025 15:31:53 +0200 Eugene Pereviazko <john@dnepro.net> schrieb: > 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? Correct. > > Then rtadvd is not a tool for that. rtadvd is for advertising, not > receiving advertisements. Yes, also correct, realised that AFTER sending my posting. > > 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. I'm using what others recommend and also use: KAME 2008 dhcp6c. Now clue how to achive the desired with this ancient tool ... > > > 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 > > > > -- A FreeBSD user [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQRQheDybVktG5eW/1Kxzvs8OqokrwUCZ7tVfwAKCRCxzvs8Oqok r5loAP9VC2CuivZ8xQ67wjBwSaOZMRV6YCLSI7JE2+PxVmuvlQD+NeB9e8Pub9Ft jWoE5Mowr64el/zC7/LbQ2kDcI6TuAc= =zmJ9 -----END PGP SIGNATURE-----
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