From owner-freebsd-net@freebsd.org Mon Jul 8 17:55:36 2019 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F278415E4EB3 for ; Mon, 8 Jul 2019 17:55:35 +0000 (UTC) (envelope-from lists.dan@gmail.com) Received: from mail-vs1-xe2a.google.com (mail-vs1-xe2a.google.com [IPv6:2607:f8b0:4864:20::e2a]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3CCAB827C7 for ; Mon, 8 Jul 2019 17:55:34 +0000 (UTC) (envelope-from lists.dan@gmail.com) Received: by mail-vs1-xe2a.google.com with SMTP id j26so8809961vsn.10 for ; Mon, 08 Jul 2019 10:55:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=7RO9VFB3iapjUY+A7+/xBWwcZ04GAMo+VurZmXeG8lY=; b=qrY3yF1w2w522NCU+NL4+inP70LmMWTN+pymPrpQc0ieEIQLz7pdXGKBQzoPIkFMEc bZiuUuIVQYRlMIUE6Bd+yMLpInJuGsZc/TG7M28QinwYTAAK2mNScfjF/5DfPpJ8aLL5 2uL1sB3qAr+AOQzli0hTHscgVRQA0bY37bSGpQmZbHd1IkTFHhDe5Ud9YGBTBIEdsSS7 9CvSRBAJcKv5se84af3lmWwQkk+MEX1XFPhhZO7VDp4HepQ3wmOockILz0o8vYK9PlEU ukNeXoRU7TKQ49RbvmJDmc0W3gblUwz7pIwOdKyekyihrk4hy18fBMvgg41MkhX8WBOp L+oQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=7RO9VFB3iapjUY+A7+/xBWwcZ04GAMo+VurZmXeG8lY=; b=nRBEMDoxrRJrqOCQK7yrsspu5irkt7J05uX0av+Bh/g/iAmaj29+OqIgh8AmsiCV5e 7w2v9/8H81a4KMadF9ZwqvLM6n5CKJzlwJB/3jl0eIcte3n8xKSW+CalfnFwVgj9Ku1Y OKlLNOx1wW9iL/tHeRXBEPcYPSzAs0q8t35CKSbgWNpAfQg73zic+lEk7hCLFXK6vXYU u0pxwKQnkjOUakMTQvIFqbpng2NXHD+xVUd7HIhYTpPa9CAVuTIvfLxFV2mJX+CMZB9S lAwUFKbPIgO56oSylHerW+rIaVI0DhQjL/7eXt49zrzpAM01oOxfIUQ7fPyCRXC7pvcJ wnZA== X-Gm-Message-State: APjAAAWY5Ffg6XkKFthoCz6VoUOo7EkAn0ljZDOugsZ02cheaLN3w250 sa+cdiJMZArflRAgrCSO3Hj1d5+Y2savM1sLGFw= X-Google-Smtp-Source: APXvYqxX077RsV3lIEdPrfWg6rV+q0c1122FVYrWCsqhfOdo1s/viSTX29R962M7G2a0k/cmUUaolo2g2xtFJNb38yE= X-Received: by 2002:a67:1a81:: with SMTP id a123mr10947864vsa.162.1562608533644; Mon, 08 Jul 2019 10:55:33 -0700 (PDT) MIME-Version: 1.0 References: <9e33c592-bd64-277e-6c21-fdeba7e44a94@grosbein.net> In-Reply-To: From: Dan Lists Date: Mon, 8 Jul 2019 12:55:22 -0500 Message-ID: Subject: Re: Bridge Not Forwarding ARP To: Michael Sierchio Cc: Eugene Grosbein , "freebsd-net@freebsd.org" X-Rspamd-Queue-Id: 3CCAB827C7 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=qrY3yF1w; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of listsdan@gmail.com designates 2607:f8b0:4864:20::e2a as permitted sender) smtp.mailfrom=listsdan@gmail.com X-Spamd-Result: default: False [-6.71 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; DKIM_TRACE(0.00)[gmail.com:+]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.62)[-0.622,0]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[a.2.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-3.08)[ip: (-9.76), ipnet: 2607:f8b0::/32(-3.16), asn: 15169(-2.40), country: US(-0.06)]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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: Mon, 08 Jul 2019 17:55:36 -0000 On Mon, Jul 8, 2019 at 12:43 PM Michael Sierchio wrote= : > > On Mon, Jul 8, 2019 at 10:33 AM Eugene Grosbein > wrote: > > 09.07.2019 0:19, Dan Lists wrote: >> >> > On Mon, Jul 8, 2019 at 11:55 AM Michael Sierchio >> wrote: >> > >> >> What's your firewall ruleset look like? (show, don't tell) >> > The firewall is off for testing (the machine is only on a private >> network). >> > # ipfw list >> > 65535 allow ip from any to any >> >> What does sysctl report on the interfaces and on arp? >> > I have not changed any settings. >> >> Show output of ifconfig for the bridge and for its members, too. >> I suppose some misconfiguration like IP address assigned to member >> interfaces that is wrong. >> All IP addresses need to be moved to the bridge interface itself. >> >> > Does 'ip' in ipfw match arp packets? > It is my understanding that ARP packets are not filtered. That behavior can be changed by setting net.link.bridge.ipfw_arp=3D1. ARP packets are supposed to be forwarded by default. That worked with FreeBSD 8.4. --=20 > > "Well," Brahm=C4=81 said, "even after ten thousand explanations, a fool i= s no > wiser, but an intelligent person requires only two thousand five hundred.= " > > - The Mah=C4=81bh=C4=81rata >