On Mon, May 4, 2009 at 11:53 PM, Harold Hallikainen wrote: > >> This is one area where I agree, when trying to debug problems a switch >> can be a real pain. The solution is to have your wireshark machine act >> as a switch, not the easiest solution (certainly not as easy as using a >> hub) but I've had good success with it. > > I keep a hub and a switch on my desk for just this purpose! I normally run > everything through the switch, but when using WireShark, it moves over to > the hub so I can see what's going on. > My colleague who is doing some work on Ethernet/IP uses a managed switch. It has port mirroring function which is quite convenient so that he can configure the ports he needs to listen using WireShark. Normal switch and hub will not work well for him because of issues with multi-cast. With normal switch, multi-cast becomes broadcast. -- Xiaofan http://mcuee.blogspot.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist