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Date: Sun, 23 Jun 2019 08:26:05 +0100 From: Russell King - ARM Linux admin <linux@...linux.org.uk> To: Ido Schimmel <idosch@...lanox.com> Cc: Vivien Didelot <vivien.didelot@...il.com>, Florian Fainelli <f.fainelli@...il.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, Jiri Pirko <jiri@...nulli.us>, "andrew@...n.ch" <andrew@...n.ch>, "davem@...emloft.net" <davem@...emloft.net> Subject: Re: [RFC net-next] net: dsa: add support for MC_DISABLED attribute On Sun, Jun 23, 2019 at 07:09:52AM +0000, Ido Schimmel wrote: > When multicast snooping is enabled unregistered multicast traffic should > only be flooded to mrouter ports. Given that IPv6 relies upon multicast working, and multicast snooping is a kernel configuration option, and MLD messages will only be sent when whenever the configuration on the target changes, and there may not be a multicast querier in the system, who does that ensure that IPv6 can work on a bridge where the kernel configured and built with multicast snooping enabled? -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up
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