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Think through and refine a few things in rules, especially edge case TEE and REDIRECT behavior and semantics.

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This commit is contained in:
Adam Ierymenko 2016-08-31 16:50:22 -07:00
parent 54489a7f61
commit 74afef8eb1
8 changed files with 231 additions and 99 deletions
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5
node/Switch.cpp
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@ -437,10 +437,7 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
//TRACE("%.16llx: MULTICAST %s -> %s %s %u",network->id(),from.toString().c_str(),mg.toString().c_str(),etherTypeName(etherType),len);
// We filter with a NULL destination ZeroTier address first. Filtrations
// for each ZT destination are also done in OutboundMulticast, but these
// set noRedirect to true. This prevents multiple TEEs and REDIRECTs for
// multicast packets.
// First pass sets noTee to false, but noTee is set to true in OutboundMulticast to prevent duplicates.
if (!network->filterOutgoingPacket(false,RR->identity.address(),Address(),from,to,(const uint8_t *)data,len,etherType,vlanId)) {
TRACE("%.16llx: %s -> %s %s packet not sent: filterOutgoingPacket() returned false",network->id(),from.toString().c_str(),to.toString().c_str(),etherTypeName(etherType));
return;