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    • David Bauer's avatar
      Merge pull request #2206 from T-X/pr-batman-adv-enable-mcast-optimizations · 4cd644a7
      David Bauer authored
      gluon-mesh-batman-adv: reenable batman-adv multicast optimizations
      Unverified
      4cd644a7
    • Linus Lüssing's avatar
      gluon-mesh-batman-adv: reenable batman-adv multicast optimizations · 288daf5a
      Linus Lüssing authored
      
      With batman-adv 2020.4 and the according backports to batman-adv v2019.2
      several more bugs were found and fixed regarding the batman-adv
      multicast optimizations feature.
      
      Also a "wakeup-call" feature was added to the Linux bridge IGMP/MLD
      snooping code in Gluon to work around issues with Android devices.
      
      With batman-adv now at v2019.2, multicast-to-multi-unicasts conversion
      is supported, too. Which means that even if there are a few outdated nodes
      these and all other recipients will be served multicast packets via unicast,
      too, as long as the sum of receiving nodes does not exceed the multicast
      fanout setting (default: 16). If is exceeded, then batman-adv will revert
      back to broadcast flooding automatically.
      
      Long story short, with all these extra measures in place, let's reenable
      the batman-adv multicast optimizations to reduce the layer 2 overhead
      and in preparation for multicast applications in the future.
      
      The default is enabled for this feature anyway, so removing the
      "batctl multicast_mode 0" overwrite is sufficient.
      
      Signed-off-by: default avatarLinus Lüssing <linus.luessing@c0d3.blue>
      288daf5a
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