From owner-freebsd-net@freebsd.org Fri Aug 19 19:46:47 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1CCD7BBFC87 for ; Fri, 19 Aug 2016 19:46:47 +0000 (UTC) (envelope-from clearscreen@gmail.com) Received: from mail-it0-x234.google.com (mail-it0-x234.google.com [IPv6:2607:f8b0:4001:c0b::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D4B5D100A for ; Fri, 19 Aug 2016 19:46:46 +0000 (UTC) (envelope-from clearscreen@gmail.com) Received: by mail-it0-x234.google.com with SMTP id x131so37643739ite.0 for ; Fri, 19 Aug 2016 12:46:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=x6kA6GQnKmR8zXULyYLKOlkDR/88cb24WDswtdT5ujs=; b=BlQq0P6D5q9x3ChYqM2Uhn+IxSK6il654BGtLanGpw/Lm/jpU64iKQLj1kw74C3YGS zFcO9uac3xyAEOGGqmZ+d+LosrZiUuP2CcEGedKIIKtfhWhPWoNEsSzvLMtaR10F9bfg hbAUGNSsXJD99jh9G4g8jvWy0SqTnqdngLZ3R+qlwHLGLJVOGQiDjtSoByYeRKmDqRtc OyTSqoogmbojh34pwd2uck/GVcUDTIJlQfMYrtbEaGnN9fAh/e02uKyWK/oxFrF1LUj3 YwF9nQ0paN6yn0MaMGI7SQ/O0Ujyx4KXUCaQSkBhDFJTGEpIgNhzhmi+1sMxa0yIjV3I WpNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=x6kA6GQnKmR8zXULyYLKOlkDR/88cb24WDswtdT5ujs=; b=aOtS7R9hKg84hEaQIh4ZYs8nhN9eHAhV5KwjW3FfPsLay/RSLeQZWFcB07GyPciamN OmoCriRu6sYGl7SUJdjyyrs4Q2meVJyS5U+eFhtPbT82tkG0u/xHEWqWE5IbRR6vTmDq Amuhw8xla4xs6cp4uEJH3hONASi9B1R5D9EniGcdQMPlOIbfG6HFniOhWStwR91LBWXn TdVUqgDQM17O78SwxG2Y1JCQfwFim+1fE7FWmkvTOYN/TZltZfZGl75fWej6bkQR/bN3 /RARL/fvzfDtUkvkU5/KjPkGEE1DVYIpHI2r32nNANLkxYYy3pZgL12R5CHYwxuIvAJJ BOAg== X-Gm-Message-State: AEkooutkQDTJyCLFGU5Z2XMnVB/EGIWQ9QI3bSkCdNFDtLqDlTTX/ZBfQ2Tk/BxJfDKPqw== X-Received: by 10.36.44.133 with SMTP id i127mr8471296iti.91.1471636006180; Fri, 19 Aug 2016 12:46:46 -0700 (PDT) Received: from [10.90.138.82] ([166.170.25.115]) by smtp.gmail.com with ESMTPSA id b135sm4023483ioa.13.2016.08.19.12.46.45 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 19 Aug 2016 12:46:45 -0700 (PDT) Mime-Version: 1.0 (1.0) Subject: Re: How can I send packets to 255.255.255.255 from the command line? From: Charles Smith X-Mailer: iPhone Mail (14A5341a) In-Reply-To: <27209.128.135.52.6.1471619759.squirrel@cosmo.uchicago.edu> Date: Fri, 19 Aug 2016 15:46:44 -0400 Cc: "Andrey V. Elsukov" , freebsd-net , Ryan Stone Message-Id: <24501BC8-0BA8-405E-8870-E68507E7023D@gmail.com> References: <5ef2e714-64ca-babe-3d24-57f205b6d5e8@yandex.ru> <27209.128.135.52.6.1471619759.squirrel@cosmo.uchicago.edu> To: galtsev@kicp.uchicago.edu Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 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, 19 Aug 2016 19:46:47 -0000 It is still limited to the "local network," about as harmless as a DHCP broa= dcast. - Charles Sent from my iPhone > On Aug 19, 2016, at 11:15 AM, Valeri Galtsev w= rote: >=20 >=20 >> On Fri, August 19, 2016 9:46 am, Andrey V. Elsukov wrote: >>> On 18.08.16 22:29, Ryan Stone wrote: >>> I want to test a change to broadcast packet handling and I want to >>> confirm >>> that 255.255.255.255 is still handled correctly. Are there any >>> command-line >>> tools in FreeBSD that can send to the broadcast address? ping >>> 255.255.255.255 does not work correctly, unfortunately. >>=20 >> There is one in src/tools/regression/netinet/ipbroadcast >> You can build it with command >> # make WARNS=3D0 >>=20 >=20 > Am I the only one who is kind of kicked out of the chair when seeing > someone attempting to broadcast the who ipv4 internet: 255.255.255.255 ?! > Someone explain me this is OK and is not a "big bang" level of noise ;-( >=20 > Valeri >=20 >> -- >> WBR, Andrey V. Elsukov >>=20 >>=20 >=20 >=20 > ++++++++++++++++++++++++++++++++++++++++ > Valeri Galtsev > Sr System Administrator > Department of Astronomy and Astrophysics > Kavli Institute for Cosmological Physics > University of Chicago > Phone: 773-702-4247 > ++++++++++++++++++++++++++++++++++++++++ > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"