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thanks, but loosing message, it's randomly happening.
– Changju.rhee
Commented Aug 23, 2013 at 20:31
1

@Changju.rhee This advice is worth trying. Your present large setup is very likely overloading the host PC and/or the controllers. Scale it down to see if that alleviates the issues. Or replace the hubs with switches. Wireshark is just going to give a lot of data, and likely no answers unless you know what to look for.
– sawdust
Commented Aug 23, 2013 at 21:06
@sawdust I 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.rhee
Commented Aug 24, 2013 at 1:09
@Changju.rhee if you know for certain it's overloading, you can use a switch instead of a router if they do not have to get to a different subnet. It doesn't have to be a VLAN capable switch, a regular switch will suffice. This may or may not help, if overloading the host PC is the problem.
– MDMoore313
Commented Aug 26, 2013 at 17:34
@MDMoore313 How to figure the host PC is problem or not. Do you have any idea ? I have added one more network card to distribute the clients. However, I have still time out error randomnly.
– Changju.rhee
Commented Sep 6, 2013 at 7:43

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