there is a network including a router, two hosts and a switch which connects hosts to router. i have a virtual machine on my system. the network adapter is set to act as bridge. so the virtual machine and real OS are my 2 hosts on different LAN. they use one network card and are connected to a switch. when each of host send a packet to the other one, the switch duplicate the packet and forward it to both router and the other host. how can I solve the duplicate packet problem? Thanks.
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Your question needs some clarification. How many physical hosts are connected to the switch? 1 or 2? What hypervisor are you running? – David Houde Oct 20 '13 at 09:30
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there is only one physical host connected to switch. my pc and the VM on it, are two host connected to each other using a router. – sami Oct 20 '13 at 09:46
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Generally speaking, when you put a NIC into bridged mode it acts as a layer 2 switch. If both hosts are on separate subnets, then there is no way for them to communicate between them without a router or layer 3 switch.
If this isn't the case, then please provide which hypervisor you are running, and how many physical hosts are connected as your question is worded funny. I will update the answer.
David Houde
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there is only one physical host connected to switch. my pc and the VM on it, are two host connected to each other using a router. – sami Oct 20 '13 at 09:45
