netdev - Re: [PATCH net-next] bridge: multicast to unicast

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ebc5050e12c04273fa518e35d7f0b8bc@fami-braun.de>
Date:   Mon, 09 Jan 2017 16:25:54 +0100
From:   michael-dev <michael-dev@...i-braun.de>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     Linus Lüssing <linus.luessing@...3.blue>,
        Felix Fietkau <nbd@....name>, netdev@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        Stephen Hemminger <stephen@...workplumber.org>,
        bridge@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linux-wireless@...r.kernel.org
Subject: Re: [PATCH net-next] bridge: multicast to unicast

Am 09.01.2017 13:15, schrieb Johannes Berg:
>> That is bridge fdb entries (need to) expire so the bridge might
>> "forget" a still-connected station not sending but only consuming
>> broadcast traffic.
> 
> Ok, that I don't know. Somehow if you address a unicast packet there
> the bridge has to make a decision - so it really should know?

If the bridge has not learned the unicast destination mac address on any 
port, it will flood the packet on all ports except the port it received 
the packet on.

Regards,
M. Braun