December 2019
Beginner
510 pages
12h 7m
English
Content preview from Networking Fundamentals
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Decision making
Although the routing algorithms used by routing devices can be quite complicated, the process they then take to make their routing decisions is relatively simple, as you can see from the following steps:
- Once a router receives data from another device, it checks the destination IP address.
- If it is its own address, it will process it internally. If the address is for one of the networks connected to it or a remote network, the router looks it up in its routing table.
- It then identifies the IP address of the next router (next hop) and the interface the data needs to be sent from.
In Figures 7.4 and Figure 7.5 in the previous sub-section, you will notice that both of these values were listed in the routing table in a single ...
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