Yes. The switch examines past the normal layer 2/MAC info to the IP layer 3
information, to find, depending on the mode, the destination and source IP
addresses and sometimes the port numbers (layer 4).
I recently posted a (rather) lengthy post outlining the process of
multilayer switching I
Newbie question
If a device is using the "fast switching" method and only the first packet
is handled* by the router, does the switch look any deeper than the frame
level to determine the switching for the remaining packets/frames? How does
it read the rewritten frame to know that it should send
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