From nobody Mon Apr 10 10:08:18 2023 X-Original-To: dev-commits-src-all@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 4Pw4Rl1GHGz453bQ; Mon, 10 Apr 2023 10:08:19 +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 4Pw4Rk748yz3wF9; Mon, 10 Apr 2023 10:08:18 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1681121299; 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=pRJQjH6aqhiav56LaW9Y8+BA8vDrf+sfcYngCjCQ5s8=; b=R/d0emNWVIicoSRqxwfYRk2fwKwAfR/2F7dXX4CvlhAXsMmxuaaMYPxog7Txa3ibIMrtbN 5PBabVc5mO/dm75y1CbpAYOEKB4oLdEcLWs9JI4WYdIcPyHrGH4G82qv2jBzfXDftjhNiA a8Y3HYfp3uCZNY54fbpJotz6Vb2Tw2frMNOsL9Ki6BbWnlwVaOo5pILjE+HvZ4KnyWDVM3 Pl+kVTyeOWxHH8KE8QXM1TaPWYfMeoMH/+d3g2ZSBAJHjnyEj0Uo2d2e8tXaeU1tgRHf6A EtoqVJKC8f0aIErxOv/eMtQJBeQkH7Oki81OvLFAzTyIE1JfzW0UFjiKo0ZPGQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1681121299; 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=pRJQjH6aqhiav56LaW9Y8+BA8vDrf+sfcYngCjCQ5s8=; b=mieo17OETKUmzotN2od9RetDchY+8ci3nhXLcPilBVlpi60sIvbQgS4uyB5zYeeO+JcezB NMG4BmTFnEN6bP4ZGXDnex8oU8aybKa331XA7I4OvnjVucpEc1tlFdbfOPclNQbayqq1Du bz7leVT25pBokMOpO4O37bXHZLbkwWHCbtwp5sCQe1ieehym8/Ki7rfwq/hxaeu7wyB6it dUKj/UA6RtYwKvHynNBGx+SPuWyEZo81ofDQS2w0q2JxKZKRTCbk3eevFuFFX/jyWFk107 m7cP7KQoUXjHjlIYPV4SCqCav1rRnZNl4oL2lay2gaW6k/OmmNBPyiJSpHfrNg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1681121299; a=rsa-sha256; cv=none; b=IpyydCPL4F+bor/JrXopXhFTYduz47Y2ddFXMqzCMzckgooUY/psPkP+Yq4YUwFyoVAUpT p3+o5m3bof2K3ZDFmLKIQwT9u2x4T8GZfmUCWBBEaEzg7IeDqLZrqXMLdEutvSeHgwpd4J z/pIGjDrr2xaYjvvA1Lmz62wiJMp0f+PWnUYjLd08gmNE4DffP/T0Ayq7qZQQbiK5Qs/SS G3hO4XjiOoVLybAcD9B3+o9X3eNj3cYKl4m5xz97ALxNGON/A64EXKMs51gQ4PBK6hNV0p Fi5+jilk612ZVOc4S8AfvZxQ9ylGgiVMkjURWA3XsqDdfpP2q9vXLUCSowBD4Q== 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 4Pw4Rk68sJzm4b; Mon, 10 Apr 2023 10:08:18 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 33AA8Iam018158; Mon, 10 Apr 2023 10:08:18 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 33AA8I4M018157; Mon, 10 Apr 2023 10:08:18 GMT (envelope-from git) Date: Mon, 10 Apr 2023 10:08:18 GMT Message-Id: <202304101008.33AA8I4M018157@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Zhenlei Huang Subject: git: 3fdb40d1befe - main - bridge.4: Document the net.link.bridge.log_mac_flap sysctl variable List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@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/main X-Git-Reftype: branch X-Git-Commit: 3fdb40d1befe7b561e7e5fa0b5c80aac41adc50d Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by zlei: URL: https://cgit.FreeBSD.org/src/commit/?id=3fdb40d1befe7b561e7e5fa0b5c80aac41adc50d commit 3fdb40d1befe7b561e7e5fa0b5c80aac41adc50d Author: Zhenlei Huang AuthorDate: 2023-04-10 10:07:04 +0000 Commit: Zhenlei Huang CommitDate: 2023-04-10 10:07:04 +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 --- 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 e5313430b407..b4dabcbb79bc 100644 --- a/share/man/man4/bridge.4 +++ b/share/man/man4/bridge.4 @@ -35,7 +35,7 @@ .\" .\" $FreeBSD$ .\" -.Dd September 7, 2022 +.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