From nobody Mon Mar 7 19:09:14 2022 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0EC901A1F839 for ; Mon, 7 Mar 2022 19:09:20 +0000 (UTC) (envelope-from nc@FreeBSD.org) Received: from thunderstorm.neelc.org (thunderstorm.neelc.org [66.42.64.109]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4KC7L65cYGz4nrB for ; Mon, 7 Mar 2022 19:09:18 +0000 (UTC) (envelope-from nc@FreeBSD.org) Received: from mail.neelc.org (thunderstorm.neelc.org [IPv6:2001:19f0:8001:174b:5400:3ff:febf:260b]) by thunderstorm.neelc.org (Postfix) with ESMTPSA id 5E1E62FAF17 for ; Mon, 7 Mar 2022 11:09:14 -0800 (PST) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 Date: Mon, 07 Mar 2022 11:09:14 -0800 From: Neel Chauhan To: freebsd-net@freebsd.org Subject: With mpd5 dynamic interfaces, will rtadvd automatically listen? Message-ID: <7b054aa0e6565583c2a39c86d1d55abd@FreeBSD.org> X-Sender: nc@FreeBSD.org Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4KC7L65cYGz4nrB X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=softfail (mx1.freebsd.org: 66.42.64.109 is neither permitted nor denied by domain of nc@FreeBSD.org) smtp.mailfrom=nc@FreeBSD.org X-Spamd-Result: default: False [-0.94 / 15.00]; SUBJECT_ENDS_QUESTION(1.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEFALL_USER(0.00)[nc]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_DN_NONE(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; RCPT_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-0.998]; NEURAL_SPAM_LONG(0.16)[0.159]; DMARC_NA(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; MLMMJ_DEST(0.00)[freebsd-net]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; ASN(0.00)[asn:20473, ipnet:66.42.64.0/20, country:US]; RCVD_TLS_ALL(0.00)[]; TO_DOM_EQ_FROM_DOM(0.00)[] X-ThisMailContainsUnwantedMimeParts: N Hi freebsd-net@, I'm thinking about setting up a dual-stack L2TP server for VPN purposes, and found that mpd5 lacks good dual-stack support outside of IPv6CP, so we have to do a makeshift approach. Will rtadvd automatically listen on the mpd5 ng* interface if the said interface has a public IPv6 address and a user connects (w/ default config)? Or will I need to trigger rtadvd manually? Yes, I could use one rtadvd per connection, but that isn't really efficient. -Neel (nc@)