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Sat, 6 Sep 2025 06:54:50 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 5866soPi019300 for net@FreeBSD.org; Sat, 6 Sep 2025 06:54:50 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289326] bridge(4): VLAN subinterfaces on one member block tagged traffic on others Date: Sat, 06 Sep 2025 06:54:50 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ivy@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289326 Lexi Winter changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ivy@FreeBSD.org --- Comment #3 from Lexi Winter --- the intended behaviour here is that if a physical interface has a vlan(4) configured and is also in a bridge, all tagged traffic received on that interface goes to if_vlan, not if_bridge.=20=20 the previous behaviour depended on matching the destination MAC address of = each frame to decide whether it should be handled by vlan(4) or bridge(4), which meant it would "work" in some configurations but not others in a non-obvious way; in particular, traffic on the same interface for the same VLAN ID coul= d be delivered to either vlan(4) or bridge(4) depending on its destination addre= ss. in 15.0, the right way to do this is to put the interface in the bridge, th= en configure the vlan subinterface on the bridge instead of the physical interface: ifconfig bridge0 create addm oce3 ifconfig bridge0.2 create now bridge0.2 will receive traffic on the bridge (from any interface) with = vlan id 2. --=20 You are receiving this mail because: You are the assignee for the bug.=