Issue that a given Mac is received by another device

Do modify IP tools found only checked a device, but the local area network more than one device will be modified tick f4b5-49f0-321f to modify the results of the LAN in another was modified then at this time the first eye is crazy, then on the Internet to check the information, found that no one has encountered this situation, so want to check from the root. Grab the bag!

Caught a package that normally goes to a specific Mac and doesn't have a destination for another package

Until one day, I don't know if it's a sudden inspiration, grab a bag on a colleague's computer

Discover there are also this destination not for broadcast packages!

It was later discovered because if there is no destination Mac in the LAN (switch) Mac table, the switch will forward it and send the packet to all the ports! (Note not broadcast!) I thought it was a broadcast, grabbed the packet and didn't see the broadcast packet and thought it didn't work.

Details: Http://book.51cto.com/art/201202/316585.htm finally still do not know why can not find the Mac, but the device to accept the mixed mode of the package to the standard mode is a temporary solution to the problem!

Issue that a given Mac is received by another device