On 01/03/17 11:57, Mike Manning wrote: > On 28/02/17 09:20, Nikolay Aleksandrov wrote: >> We are aware of this and have discussed it, but I’m not sure this is the >> best way to fix it, >> it will still allow local IPv4 mcast to be flooded on all ports even with >> that flag removed and >> that definitely changes user-visible behaviour (even if it is okay) and will >> not be appropriate >> for -net. >> >> Let me get back to you on this one. >> >> Thanks, >> Nik >> > Thanks for your comments, I have sent a v2 patch accordingly in case you have > no better suggestion. > We need per-port disabling of multicast flooding, but have to apply this > patch to allow IPv6 > connectivity so as to make it usable. There is no noteworthy impact on IPv4 > as the fix only allows > packets originated by the device. As this feature is new to the 4.9 kernel, > there are no backwards > compatibility issues with prior kernel versions if this fix is also applied > to the 4.9 kernel. >
Okay, I agree and have also discussed it with some colleagues so this seems like the right way to go. I'll review the v2 in a minute. Thank you, Nik
