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1can the hub handle all this? to my understanding a hub is a layer 1 device where it simply takes in the communication at one port, and blasts it out to every other port. Can what you are trying to accomplish be done with a layer 2 switch instead, which can learn the MAC addresses of the other devices and therefore transmit it to that specific device instead of just blasting it out every port like a hub does? Also with a hub isnt that one big collision domain with CDMA/CD where it will have to issue a stop and retransmit everytime there is a collision.– j_bombayCommented Aug 23, 2013 at 20:48
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@j_bombayI checked the detail product which is HP 1410-16G Switch(J9560A). I think it is switch, not hub. To alleviates the overloading, do you think I use VLAN switch or router in order to divide the network ?– Changju.rheeCommented Aug 24, 2013 at 1:11
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This kind of problems tends to be either a duplex mismatch, (usually due to auto-negotiation being disabled on one side and enabled on the other) or poor quality cabling.– David SchwartzCommented Sep 7, 2013 at 6:38
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@DavidSchwartz Do you have any idea how to know duplex mismatch ? Third-party controller maker do not say about the configuration.– Changju.rheeCommented Sep 16, 2013 at 1:50
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@Changju.rhee: The most likely cause of a duplex mismatch is if you set the duplex to full on one side and leave it set to autonegotiate on the other.– David SchwartzCommented Sep 16, 2013 at 8:35
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