From owner-freebsd-net@freebsd.org Fri Oct 25 11:37:23 2019 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id E916016E545 for ; Fri, 25 Oct 2019 11:37:23 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward103p.mail.yandex.net (forward103p.mail.yandex.net [77.88.28.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4702CR03Hjz4PX0; Fri, 25 Oct 2019 11:37:22 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward101q.mail.yandex.net (forward101q.mail.yandex.net [IPv6:2a02:6b8:c0e:4b:0:640:4012:bb98]) by forward103p.mail.yandex.net (Yandex) with ESMTP id D5B3718C18BC; Fri, 25 Oct 2019 14:37:19 +0300 (MSK) Received: from mxback6q.mail.yandex.net (mxback6q.mail.yandex.net [IPv6:2a02:6b8:c0e:42:0:640:9de5:975f]) by forward101q.mail.yandex.net (Yandex) with ESMTP id D0EB2CF40005; Fri, 25 Oct 2019 14:37:19 +0300 (MSK) Received: from vla5-dfb0352c045b.qloud-c.yandex.net (vla5-dfb0352c045b.qloud-c.yandex.net [2a02:6b8:c18:348f:0:640:dfb0:352c]) by mxback6q.mail.yandex.net (nwsmtp/Yandex) with ESMTP id hhcw1ID2Ia-bJu80w92; Fri, 25 Oct 2019 14:37:19 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1572003439; bh=8O0JDwSDUqs6PDqZLKSUVGngrIasVUG+5LLz+0yKtqQ=; h=In-Reply-To:From:Date:References:To:Subject:Message-ID; b=WYo/kqcNkR4WLjxTW/J1e7Yr+AWai2uzXOuzJtmZp2fZpjxiXMeQZ3v3ms7R9ZTYt kJvFbujOL/U3oqFKHmY1D2kn0kORQyEGT/C5j8eqZP1am0n9Nxt4wE01SRtKs968M5 Q9Um/c2A9KhNG9fdWE4aidlCcoqy070LACrOg3mk= Received: by vla5-dfb0352c045b.qloud-c.yandex.net (nwsmtp/Yandex) with ESMTPSA id RpR6QBvooQ-bJXibRbT; Fri, 25 Oct 2019 14:37:19 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) Subject: Re: icmp v4 redirect timeout To: Victor Gamov , freebsd-net@freebsd.org, "Alexander V. Chernikov" References: <1259e1c9-596f-c379-b58c-b44e76bf963e@otcnet.ru> From: "Andrey V. Elsukov" Openpgp: id=E6591E1B41DA1516F0C9BC0001C5EA0410C8A17A Autocrypt: addr=bu7cher@yandex.ru; prefer-encrypt=mutual; keydata= mQENBEwBF1kBCADB9sXFhBEUy8qQ4X63Y8eBatYMHGEFWN9ypS5lI3RE6qQW2EYbxNk7qUC5 21YIIS1mMFVBEfvR7J9uc7yaYgFCEb6Sce1RSO4ULN2mRKGHP3/Sl0ijZEjWHV91hY1YTHEF ZW/0GYinDf56sYpDDehaBF5wkWIo1+QK5nmj3vl0DIDCMNd7QEiWpyLVwECgLX2eOAXByT8B bCqVhJGcG6iFP7/B9Ll6uX5gb8thM9LM+ibwErDBVDGiOgvfxqidab7fdkh893IBCXa82H9N CNwnEtcgzh+BSKK5BgvPohFMgRwjti37TSxwLu63QejRGbZWSz3OK3jMOoF63tCgn7FvABEB AAG0JUFuZHJleSBWLiBFbHN1a292IDxidTdjaGVyQHlhbmRleC5ydT6JATgEEwECACIFAkwB F1kCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEAHF6gQQyKF6qmYIAI6ekfm1VA4T vqankI1ISE6ku4jV7UlpIQlEbE7/8n3Zd6teJ+pGOQhN5qk8QE7utdPdbktAzi+x7LIJVzUw 4TywZLXGrkP7VKYkfg6oyCGyzITghefQeJtr2TN4hYCkzPWpylkue8MtmqfZv/6royqwTbN+ +E09FQNvTgRUYJYTeQ1qOsxNRycwvw3dr2rOfuxShbzaHBB1pBIjGrMg8fC5pd65ACH5zuFV A0CoTNGMDrEZSfBkTW604UUHFFXeCoC3dwDZRKOWJ3GmMXns65Ai5YkA63BSHEE1Qle3VBhd cG1w0CB5FBV3pB27UVnf0jEbysrDqW4qN7XMRFSWNAy5AQ0ETAEXWQEIAJ2p6l9LBoqdH/0J PEFDY2t2gTvAuzz+8zs3R03dFuHcNbOwjvWCG0aOmVpAzkRa8egn5JB4sZaFUtKPYJEQ1Iu+ LUBwgvtXf4vWpzC67zs2dDuiW4LamH5p6xkTD61aHR7mCB3bg2TUjrDWn2Jt44cvoYxj3dz4 S49U1rc9ZPgD5axCNv45j72tggWlZvpefThP7xT1OlNTUqye2gAwQravXpZkl5JG4eOqJVIU X316iE3qso0iXRUtO7OseBf0PiVmk+wCahdreHOeOxK5jMhYkPKVn7z1sZiB7W2H2TojbmcK HZC22sz7Z/H36Lhg1+/RCnGzdEcjGc8oFHXHCxUAEQEAAYkBHwQYAQIACQUCTAEXWQIbDAAK CRABxeoEEMihegkYCAC3ivGYNe2taNm/4Nx5GPdzuaAJGKWksV+w9mo7dQvU+NmI2az5w8vw 98OmX7G0OV9snxMW+6cyNqBrVFTu33VVNzz9pnqNCHxGvj5dL5ltP160JV2zw2bUwJBYsgYQ WfyJJIM7l3gv5ZS3DGqaGIm9gOK1ANxfrR5PgPzvI9VxDhlr2juEVMZYAqPLEJe+SSxbwLoz BcFCNdDAyXcaAzXsx/E02YWm1hIWNRxanAe7Vlg7OL+gvLpdtrYCMg28PNqKNyrQ87LQ49O9 50IIZDOtNFeR0FGucjcLPdS9PiEqCoH7/waJxWp6ydJ+g4OYRBYNM0EmMgy1N85JJrV1mi5i Message-ID: <7f003ef5-7e28-d179-5319-eb52a674f2b1@yandex.ru> Date: Fri, 25 Oct 2019 14:36:07 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <1259e1c9-596f-c379-b58c-b44e76bf963e@otcnet.ru> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="9w2uf8J3TXfYC9IJXOeOYHVwPearIB9ia" X-Rspamd-Queue-Id: 4702CR03Hjz4PX0 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yandex.ru header.s=mail header.b=WYo/kqcN; dmarc=pass (policy=none) header.from=yandex.ru; spf=pass (mx1.freebsd.org: domain of bu7cher@yandex.ru designates 77.88.28.106 as permitted sender) smtp.mailfrom=bu7cher@yandex.ru X-Spamd-Result: default: False [-6.20 / 15.00]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:77.88.0.0/18:c]; FREEMAIL_FROM(0.00)[yandex.ru]; HAS_ATTACHMENT(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[yandex.ru:+]; DMARC_POLICY_ALLOW(-0.50)[yandex.ru,none]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; IP_SCORE(0.00)[ipnet: 77.88.0.0/18(-4.67), asn: 13238(-3.78), country: RU(0.01)]; MIME_TRACE(0.00)[0:+,1:+,2:+,3:~]; FREEMAIL_ENVFROM(0.00)[yandex.ru]; ASN(0.00)[asn:13238, ipnet:77.88.0.0/18, country:RU]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[106.28.88.77.list.dnswl.org : 127.0.5.1]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[yandex.ru:s=mail]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.20)[multipart/signed,multipart/mixed,text/plain]; RCVD_TLS_LAST(0.00)[]; IP_SCORE_FREEMAIL(0.00)[]; DWL_DNSWL_LOW(-1.00)[yandex.ru.dwl.dnswl.org : 127.0.5.1]; TO_MATCH_ENVRCPT_SOME(0.00)[] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Oct 2019 11:37:24 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --9w2uf8J3TXfYC9IJXOeOYHVwPearIB9ia Content-Type: multipart/mixed; boundary="pEBAIpNzWlUAQ6Kmw5FvmcaAAVb7H2dxx"; protected-headers="v1" From: "Andrey V. Elsukov" To: Victor Gamov , freebsd-net@freebsd.org, "Alexander V. Chernikov" Message-ID: <7f003ef5-7e28-d179-5319-eb52a674f2b1@yandex.ru> Subject: Re: icmp v4 redirect timeout References: <1259e1c9-596f-c379-b58c-b44e76bf963e@otcnet.ru> In-Reply-To: <1259e1c9-596f-c379-b58c-b44e76bf963e@otcnet.ru> --pEBAIpNzWlUAQ6Kmw5FvmcaAAVb7H2dxx Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 22.10.2019 17:30, Victor Gamov wrote: > Hi All >=20 > I discover the following problem: FreeBSD host install route recived by= > ICMP-redirect from default GW and this route is permanents. >=20 >=20 > In my case FreeBSD 192.168.1.10/24 has 192.168.1.254 as default gateway= =2E > This network has interconnection with remote network 192.168.88.0/24 vi= a > some other gateways -- 192.168.1.199 + 192.168.1.195 for example.=C2=A0= All > gateways=C2=A0 using OSPF to exchange routing info. >=20 > 192.168.1.10 send packet destined to remote network (192.168.88.0/24) t= o > default gateway 192.168.1.254, receive ICMP-redirect and install route > to 192.168.88.0/24 via 192.168.1.199.=C2=A0 Then 192.168.1.199 off for = some > reason but 192.168.1.10 never know about it because route installed via= > 192.168.1.199 is permanent. >=20 > I see net.inet6.icmp6.redirtimeout in my FreeBSD 11.2-STABLE #0 r339734= > and I think this sysctl set timeout for routes installed via > ICMP-redirects (route deletes after this timeout?). >=20 > Is it possible to get such sysctl for ipv4 ? I think expiring doesn't work for IPv6 too. At least, I didn't find related code from a quick look. --=20 WBR, Andrey V. Elsukov --pEBAIpNzWlUAQ6Kmw5FvmcaAAVb7H2dxx-- --9w2uf8J3TXfYC9IJXOeOYHVwPearIB9ia Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAl2y3icACgkQAcXqBBDI oXrcKQf/futE6ubBSeVKtuL2SGo8E5C/e6Y9rigyUbuJywPRU2RYB2wodrYqbU+i zuWcjtA95KAY1/0g8BFVOfeQuP3uZXQL1pED8KbfrmaG1h+fqyZ+PB0v1k4sV7sj qBB7wdmpqj3NNws9kIeH7uMezIom3PSkL0CBrkR/nhwnWv6AhAKuZifPKuXRuRY+ 8Dvc2j4jLyd6p0GULejaY7f2dZNW3z9FHfHc99zDtzuxFxDiLwN5L1wwTXZjdIlq UR7/ZWq/4EzUD7BJ17c67ota//AI42yghvloAMhf/+XZ9Ou+WimbQwJgjByG1JY7 ujruXlOdVZyp68I6Z4O4tgAcIkbKlA== =SJ/8 -----END PGP SIGNATURE----- --9w2uf8J3TXfYC9IJXOeOYHVwPearIB9ia--