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FreeBSD Handbook : Advanced Networking : Gateways and Routes
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16.1. Gateways and Routes

Contributed by Coranth Gryphon <[email protected]>.
6 October 1995.

For one machine to be able to find another, there must be a mechanism in place to describe how to get from one to the other. This is called Routing. A ``route'' is a defined pair of addresses: a destination and a gateway. The pair indicates that if you are trying to get to this destination, send along through this gateway. There are three types of destinations: individual hosts, subnets, and ``default''. The ``default route'' is used if none of the other routes apply. We will talk a little bit more about default routes later on. There are also three types of gateways: individual hosts, interfaces (also called ``links''), and ethernet hardware addresses.

16.1.1. An example

16.1.2. Default routes

16.1.3. Dual homed hosts

16.1.4. Routing propagation

16.1.5. Troubleshooting


FreeBSD Handbook : Advanced Networking : Gateways and Routes
Previous: Advanced Networking
Next: An example
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Updated March 2, 1999