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I tried to run multiple commands simultaneously on Command Prompt of a PC on Packet Tracer using '&'.
e.g.
ping 10.0.0.10 & ipconfig
This command works on Windows cmd but not on Packet Tracer cmd. I also tried ';' but it didn't work either.
The first six digits of a MAC address is an OUI. If one manufacturer makes more than 16,777,216 devices using the same OUI, some devices will have a duplicate MAC address.How do manufacturers avoid this problem? Do they buy a new OUI from IEEE?
