4.3 When Things Get Worse and Better
Sometimes the network has problems and a router must find a way to route data around the problems. A common problem is...
Tag: DHCP
4.2 How Routers Determine the Routes
While the idea of the collapsing many IP addresses into a single network number greatly reduces the number of...
4 Internetworking Layer (IP)
Now that we can move data across a single link, it’s time to figure out how to move it across the country or around...
4.1 Internet Protocol (IP) Addresses
In the previous section where we talked about Link layer addresses, we said that link addresses were assigned when the...
4.4 Determining Your Route
There is no place in the Internet that knows in advance the route your packets will take from your computer to a...
4.5 Getting an IP Address
Increasingly, computers are portable or mobile. We just pointed out how important it was for the IP layer to track...
4.6 A Different Kind of Address Reuse
If you know how to find the IP address on your laptop, you can do a little experiment and look at the different IP...
4.7 Global IP Address Allocation
If you wanted to connect the network for a new organization to the Internet you would need to contact an Internet...
4.8 Summary Chapter 4
The Internetworking Protocol layer extends our network from a single hop (Link layer) to a series of hops that result...
4.9 Glossary-Chapter 4
core router: A router that is forwarding traffic within the core of the Internet. DHCP: Dynamic Host Configuration...
4.10 Questions-Chapter 4
You can take this quiz online at http://www.net-intro.com/quiz/4.10 What is the goal of the Internetworking layer?...
