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Date: Tue, 25 Aug 2015 17:56:27 -0700 From: Stephen Hemminger <stephen@...workplumber.org> To: Nikolay Aleksandrov <razor@...ckwall.org> Cc: netdev@...r.kernel.org, vyasevic@...hat.com, toshiaki.makita1@...il.com, bridge@...ts.linux-foundation.org, wkok@...ulusnetworks.com, davem@...emloft.net, Nikolay Aleksandrov <nikolay@...ulusnetworks.com> Subject: Re: [PATCH net-next v2] bridge: vlan: allow to suppress local mac install for all vlans On Tue, 25 Aug 2015 17:34:55 -0700 Nikolay Aleksandrov <razor@...ckwall.org> wrote: > From: Nikolay Aleksandrov <nikolay@...ulusnetworks.com> > > This patch adds a new knob that, when enabled, allows to suppress the > installation of local fdb entries in newly created vlans. This could > pose a big scalability issue if we have a large number of ports and a > large number of vlans, e.g. in a 48 port device with 2000 vlans these > entries easily go up to 96000. > Note that packets for these macs are still received properly because they > are added in vlan 0 as "own" macs and referenced when fdb lookup by vlan > results in a miss. > Also note that vlan membership of ingress port and the bridge device > as egress are still being correctly enforced. > > The default (0/off) is keeping the current behaviour. > > Based on a patch by Wilson Kok (wkok@...ulusnetworks.com). This is getting messy, but then again the bridge seems to have become a ghetto for a long time. I would rather see the lookup code fixed so that the fdb was correct. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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