General networking problems and issues. Questions about cabling, switches, hubs etc. can go here.
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Two load balanced servers behind a firewall use multicasting to sync password changes (huge overkill, but I digress). If there is no router behind the firewall, will the multicast group function properly on the subnet, or will it need to go past the NAT on the firewall to the nearest router? I am seeing traffic from both servers to the group, but no traffic from the group.