Switching and routing packets
So far, we've covered the topics required to discuss how packets of data get routed from computer A to host B across LANs and/or WANs over distances that may range from across a room to across the globe. The important concepts to remember are that Ethernet frames work with switches and IP packets work with routers to accomplish this feat, which we'll cover in the next section.
Ethernet frames and switches
To reiterate what was outlined in the layer 2 (the data-link layer) discussion, Ethernet frames are switched from the entry port to the appropriate destination port based on the destination MAC address. Network switches build tables of which MAC addresses belong to each port, compare a frame's destination MAC address ...
Get Wireshark Essentials now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
