Testing Your IP Routing Understanding
I want to make sure you understand IP routing because it’s really that important. So, I’m going to use this section to test your understanding of the IP routing process by having you look at a couple of figures and answer some very basic IP routing questions.
Figure 9.4 shows a LAN connected to RouterA, which is, in turn, connected via a WAN link to RouterB. RouterB has a LAN connected with an HTTP server attached. Take a look.
Figure 9.4 IP routing example 1

The critical information you need to glean from this figure is exactly how IP routing will occur in this example. Okay—we’ll cheat a bit. I’ll give you the answer, but then you should go back over the figure and see if you can answer example 2 without looking at my answers:
- The destination address of a frame, from HostA, will be the MAC address of the Fa0/0 interface of the RouterA router.
- The destination address of a packet will be the IP address of the...