O'Reilly logo

Mastering Linux Network Administration by Jay LaCroix

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Routing TCP/IP traffic

The entire purpose of networking is to get traffic from point A to point B. When a computer requests information from another, packets are routed to the destination and then back. Sometimes, computers need a little guidance on how to get packets to the destination. This is known as routing. To assist with this, nodes utilize the concept of a routing table to help decide where packets should be sent given specific destinations. It would be very easy if every network in existence used the same IP scheme, but in truth, every network is completely different. To talk to a different network, your computer must know how to get to that network. Think of a routing table as a map of external destinations and the gateways to get to ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required