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| -rw-r--r-- | node/Multicaster.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/node/Multicaster.cpp b/node/Multicaster.cpp index 9955ce88..b9b4d5e0 100644 --- a/node/Multicaster.cpp +++ b/node/Multicaster.cpp @@ -273,6 +273,10 @@ void Multicaster::send( delete [] indexes; #ifdef ZT_SUPPORT_LEGACY_MULTICAST + // This sends a P5 multicast up to our supernode, who then + // redistributes it manually down to all <1.0.0 peers for + // legacy support. These peers don't support the new multicast + // frame type, so even if they receive it they will ignore it. { SharedPtr<Peer> sn(RR->topology->getBestSupernode()); if (sn) { |