After (via yum upgrade) update to 6.3, VM guests can no longer see multicast traffic from lan.<br />
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Guests are a mix of CentOS62, CentOS63 (updated to test to see if it still see's problem, yes), and Fedora17, none can see multicast from the LAN.<br />
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This breaks several things:<br />
* OSPF runnning on a guest can establish neighbors with other guests but not hosts on the LAN.<br />
* Bonjour chat can't see or send messages to bonjour users on the LAN.<br />
* LAN hosts can't ping any IPv6 VM guests unless the VM guest pings the lan host first (thus establishing itself in the hosts ND cache).
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