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Date:      Mon, 27 Mar 2023 14:36:56 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 270478] Duplicated ARP reply sent from if_bridge member
Message-ID:  <bug-270478-7501-8BpTCBwzQZ@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-270478-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-270478-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D270478

--- Comment #5 from Zhenlei Huang <zlei@FreeBSD.org> ---
Some digs:
https://github.com/freebsd/freebsd-src/blob/19e43c163c64636d2590dca006e22f1=
8d22f48b2/sys/netinet/if_ether.c#L828-L870

For broadcast packets, they are processed by both bridge and its member (the
interface receiving the broadcast packets).
Specifically, both bridge and its member response to ARP requests and gener=
ate
ARP replies.

Should we suppress either bridge or its member so that the bridge behaves l=
ike
exactly ONE logical interface?

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