From owner-freebsd-net@freebsd.org Thu Sep 3 13:17:03 2020 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 72A623E62D4 for ; Thu, 3 Sep 2020 13:17:03 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward104j.mail.yandex.net (forward104j.mail.yandex.net [IPv6:2a02:6b8:0:801:2::107]) (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 4Bj1YT6nwbz4QMV; Thu, 3 Sep 2020 13:17:01 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from mxback29g.mail.yandex.net (mxback29g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:329]) by forward104j.mail.yandex.net (Yandex) with ESMTP id AF51A4A1AA0; Thu, 3 Sep 2020 16:16:56 +0300 (MSK) Received: from myt6-016ca1315a73.qloud-c.yandex.net (myt6-016ca1315a73.qloud-c.yandex.net [2a02:6b8:c12:4e0e:0:640:16c:a131]) by mxback29g.mail.yandex.net (mxback/Yandex) with ESMTP id ADJ6XKALGN-GugmVVIh; Thu, 03 Sep 2020 16:16:56 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1599139016; bh=v6PUZmJtMzzbvqA4/e46PjZG3yjrXj9NPJAZvhmoC0E=; h=In-Reply-To:From:Cc:Date:References:To:Subject:Message-ID; b=XYyo5cA36N0SN+ORSPIC7aV8gWnqLy/h5ScUwBr7Pbe4j7y3L24YSC5ZtHgnTrtN5 HKUUAtPLB+Nf0Y2ZhztHdMLUpVh1C+BEXYirRiLYrWze5ZEk8mvxBXwuVP8uyZy0Mp 6ZsbhEjw/RSxc2QsdexlsAaUMD5WFRGgZlA61qE4= Received: by myt6-016ca1315a73.qloud-c.yandex.net (smtp/Yandex) with ESMTPSA id Y6n21Avkkw-GtlutoD9; Thu, 03 Sep 2020 16:16:55 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) Subject: Re: Ipv6 neighbor limit To: Cristian Cardoso , Hans Petter Selasky , freebsd-net@freebsd.org References: <592b041e-0243-8148-3ac6-ca8da4ca5e84@selasky.org> Cc: "Alexander V. Chernikov" From: "Andrey V. Elsukov" 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: Date: Thu, 3 Sep 2020 16:14:45 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="qywsHg5WEC5Kj15e9ToY3KXK9rRJ86KcC" X-Rspamd-Queue-Id: 4Bj1YT6nwbz4QMV X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yandex.ru header.s=mail header.b=XYyo5cA3; dmarc=pass (policy=none) header.from=yandex.ru; spf=pass (mx1.freebsd.org: domain of bu7cher@yandex.ru designates 2a02:6b8:0:801:2::107 as permitted sender) smtp.mailfrom=bu7cher@yandex.ru X-Spamd-Result: default: False [-4.88 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[yandex.ru]; R_SPF_ALLOW(-0.20)[+ip6:2a02:6b8:0::/52]; HAS_ATTACHMENT(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[yandex.ru:+]; DMARC_POLICY_ALLOW(-0.50)[yandex.ru,none]; NEURAL_HAM_SHORT(-1.29)[-1.289]; SIGNED_PGP(-2.00)[]; FREEMAIL_TO(0.00)[gmail.com,selasky.org,freebsd.org]; RCVD_IN_DNSWL_LOW(-0.10)[2a02:6b8:0:801:2::107:from]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:+,3:~]; FREEMAIL_ENVFROM(0.00)[yandex.ru]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:13238, ipnet:2a02:6b8::/32, country:RU]; DWL_DNSWL_NONE(0.00)[yandex.ru:dkim]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[yandex.ru:s=mail]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; NEURAL_HAM_MEDIUM(-0.90)[-0.903]; NEURAL_HAM_LONG(-0.99)[-0.985]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.20)[multipart/signed,multipart/mixed,text/plain]; TO_MATCH_ENVRCPT_SOME(0.00)[]; SUSPICIOUS_RECIPS(1.50)[]; MAILMAN_DEST(0.00)[freebsd-net] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Sep 2020 13:17:03 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --qywsHg5WEC5Kj15e9ToY3KXK9rRJ86KcC Content-Type: multipart/mixed; boundary="I6gIgV8ThE40ZghuCicYblHoDSiLbTXMI" --I6gIgV8ThE40ZghuCicYblHoDSiLbTXMI Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 03.09.2020 16:02, Cristian Cardoso wrote: > Hi > I don't know if that is it. I am trying to find out if there are any > limits for ipv6 neighbors in the kernel, as soon I will go over 4000 > servers below my IPv6 router. > In Juniper (which is a FreeBSD) I can set ndp6-max-cache, for example, > to support more ipv6 neighbors. Hi, there is no such limit. When your system will approach to memory limits, new ND entries creating will fail. --=20 WBR, Andrey V. Elsukov --I6gIgV8ThE40ZghuCicYblHoDSiLbTXMI-- --qywsHg5WEC5Kj15e9ToY3KXK9rRJ86KcC 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/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAl9Q7EUACgkQAcXqBBDI oXoF0AgAjAspqiL/PaqMT4qwSj8clwPWXLymz7lMLTIVTjzF+UAglGktqf+Sm1Hd PWg5FQvSujGUDlDORdiKBrVnEY8F3+u2VCgV8ylVh0ztOQJl3A7T6WKVZnwEfI79 AWcS43EyWuZ7+6UZTGzrMRvAPnY9mQ+o1G7tZFVXMWentZ/ndcVafydLCdVOSmIz +6jFDC9OoySvR+W4JwIkM0JFOMtgfID7PnBB9E9kxBq9y0SmQuQCPJUx1XuGXYw7 rQKxcgrB2Xfz0EAnw/C00DACuAtZ0+TJ1V+TY4o3hYMPyxOG3KzfOmGVveEwpv4P GZWV7y6n3aiY2QeWk/qXfnjgtkmh5g== =mVL7 -----END PGP SIGNATURE----- --qywsHg5WEC5Kj15e9ToY3KXK9rRJ86KcC--