![]() ![]() ![]() Normally, when you get a packet from a remote site over ethernet, the source mac addres you get in the packet is the one of the last router that links you to the internet, not the one of the original host that sent the IP packet. This makes determining the remote mac addresses of hosts a local issue completely. This also happens for example if the host uses a token ring interface or frame relay link. Let's suppose a remote host is conected over a serial rs-232-C link with PPP protocol. ![]() In general, on internet, you don't even know the media a host is using for transmitting packets. ![]()
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