From nobody Fri Sep 01 10:11:12 2023 X-Original-To: dev-commits-src-branches@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 4RcYhd1sHfz4sKpr; Fri, 1 Sep 2023 10:11:13 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RcYhd1R4sz3cMx; Fri, 1 Sep 2023 10:11:13 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1693563073; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=quYVC59Z2xGEMbXMSX+FVuVzduIWy2cYo8zGDqejouw=; b=Nilz2w7KBJCHALrn/pDok79rqIyIRy3e5JPaJvTMCavj4zFwdjfwazt7ovg/tebKsRBRaJ yZGTOt41k0Z8UKvIQHjnbv435LSXfGUZmrmzAiImayFJd+u94iCdowR9zdZpvxFRHg0oJK hkRP/ZFMCvRyIiFxdCVQdUhVqrAAOkJVYbRlseUhRYD9jLdex/y4gTo4oaXJbqJgdb7u3Z 6/ZNtIPbr+JFNyFwBCBtKUjbRM4W6NVeos/s/uF7LAlqkxX8LPfSjJj0j8XLAkRoCsVRRj i+jCH6nXLXXw/VvEFU6FccbbSd0G6Q6KRmrLCrTtcOMzYmbQNbgPOhnFg9zYXA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1693563073; a=rsa-sha256; cv=none; b=WPjxL90SPc/l+x0mAtzrbkhLT0tH+MJyNwaEqC/NqF/RolfHj6deybFnVIAkUYYugfVPF5 XKqEIfv2Yh3+JvHMClX1gBiwsFFapKBDD48hpgkiWIrDKvjr53y+IrMVM6nkyeTcmIK6yK UfAG96wZ5UJZYWTAFwE0S39zwDiFuffk0U6IvXU/TmLQRE1R27jDfU0J2aTg6JPDZT8PUz 5BIDsyMmyV3zcWOdDXOuuZXjT7pKUHV24zZ1UQcaVyorj5T9cObvi3C4htRQujrxJN/drQ 0d+rjlWro2yA6FdeIqA8tGyHeZfcMy9wIP8ltr3AgESNMM02YJnO9tvHGganRQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1693563073; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=quYVC59Z2xGEMbXMSX+FVuVzduIWy2cYo8zGDqejouw=; b=fWICUWn4JZNCr4cGN5tm+5FVpFSVg/8aiZNrupkMrueajajdbKkzFgJUeJqvl1uuT0bOhO erCdg6iPtF7mos7zglvbOXy5zPNfBmndxc9nJRDkRp7dturfJQrDYeYNTB+4pGrU1tRgAI ETKO4L7mFSo+CqR6GSuXTKVqyUfBVc2m5mKZp8Bd8/I/YDBqkxGsfqieXhoQMYNeYPPQOf LVscnpRt1lm75BFlh+6y1eo8Or5zeaDGWqAwljDC0APXtKwOc4rPxxelc7ZgP1CGrAo74p zWsq5YKCydo0lFUj/ljQjSuvMgr2CJ19AXjJGZ2baxrCRIxBKq0/4IyIeuRtJQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4RcYhd0Tzzzx7h; Fri, 1 Sep 2023 10:11:13 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 381ABCX6003810; Fri, 1 Sep 2023 10:11:12 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 381ABCTP003807; Fri, 1 Sep 2023 10:11:12 GMT (envelope-from git) Date: Fri, 1 Sep 2023 10:11:12 GMT Message-Id: <202309011011.381ABCTP003807@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Zhenlei Huang Subject: git: dddf410362b9 - stable/12 - bridge.4: Document the net.link.bridge.log_mac_flap sysctl variable List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: zlei X-Git-Repository: src X-Git-Refname: refs/heads/stable/12 X-Git-Reftype: branch X-Git-Commit: dddf410362b9eaf8ae9fe13f5edd9fd67f24046e Auto-Submitted: auto-generated The branch stable/12 has been updated by zlei: URL: https://cgit.FreeBSD.org/src/commit/?id=dddf410362b9eaf8ae9fe13f5edd9fd67f24046e commit dddf410362b9eaf8ae9fe13f5edd9fd67f24046e Author: Zhenlei Huang AuthorDate: 2023-04-10 10:07:04 +0000 Commit: Zhenlei Huang CommitDate: 2023-09-01 10:10:40 +0000 bridge.4: Document the net.link.bridge.log_mac_flap sysctl variable It was introduced in 2d3614fb132b (bridge: Log MAC address port flapping). Reviewed by: gbe (manpages) MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D39465 (cherry picked from commit 3fdb40d1befe7b561e7e5fa0b5c80aac41adc50d) (cherry picked from commit 5a3f517110ef2d076274ca0cc41668740d62e9c7) --- share/man/man4/bridge.4 | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/share/man/man4/bridge.4 b/share/man/man4/bridge.4 index d787db1aa141..6b32da22efce 100644 --- a/share/man/man4/bridge.4 +++ b/share/man/man4/bridge.4 @@ -35,7 +35,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 16, 2017 +.Dd April 10, 2023 .Dt IF_BRIDGE 4 .Os .Sh NAME @@ -118,6 +118,15 @@ interfaces that are part of the bridge. For unicast traffic, the bridge learns which MAC addresses are associated with which interfaces and will forward the traffic selectively. .Pp +By default the bridge logs MAC address port flapping to +.Xr syslog 3 . +This behavior can be disabled by setting the +.Xr sysctl 8 +variable +.Va net.link.bridge.log_mac_flap +to +.Li 0 . +.Pp All the bridged member interfaces need to be up in order to pass network traffic. These can be enabled using .Xr ifconfig 8