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documentation/content/en/books/handbook/advanced-networking/_index.adoc

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	The routing table of a router needs additional routes so it knows how to reach other networks.			The routing table of a router needs additional routes so it knows how to reach other networks.
	Routes can be either added manually using static routes or routes can be automatically learned using a routing protocol.			Routes can be either added manually using static routes or routes can be automatically learned using a routing protocol.
	Static routes are appropriate for small networks and this section describes how to add a static routing entry for a small network.			Static routes are appropriate for small networks and this section describes how to add a static routing entry for a small network.

	[NOTE]			[NOTE]
	====			====
	For large networks, static routes quickly become unscalable.			For large networks, static routes quickly become unscalable.
	FreeBSD comes with the standard BSD routing daemon man:routed[8], which provides the routing protocols RIP, versions 1 and 2, and IRDP.			FreeBSD comes with the standard BSD routing daemon man:routed[8], which provides the routing protocols RIP, versions 1 and 2, and IRDP.
	Support for the BGP and OSPF routing protocols can be installed using the package:net/zebra[] package or port.			Support for the BGP and OSPF routing protocols can be installed using the package:net/frr7[] package or port.
	====			====

	Consider the following network:			Consider the following network:

	image::static-routes.png[]			image::static-routes.png[]

	In this scenario, `RouterA` is a FreeBSD machine that is acting as a router to the rest of the Internet.			In this scenario, `RouterA` is a FreeBSD machine that is acting as a router to the rest of the Internet.
	It has a default route set to `10.0.0.1` which allows it to connect with the outside world.			It has a default route set to `10.0.0.1` which allows it to connect with the outside world.
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	....			....

	=== Connecting to a Provider			=== Connecting to a Provider

	In order to connect to other IPv6 networks, one must have a provider or a tunnel that supports IPv6:			In order to connect to other IPv6 networks, one must have a provider or a tunnel that supports IPv6:

	* Contact an Internet Service Provider to see if they offer IPv6.			* Contact an Internet Service Provider to see if they offer IPv6.
	* http://www.tunnelbroker.net[Hurricane Electric] offers tunnels with end-points all around the globe.			* http://www.tunnelbroker.net[Hurricane Electric] offers tunnels with end-points all around the globe.

	[NOTE]
	====
	Install the package:net/freenet6[] package or port for a dial-up connection.
	====

	This section demonstrates how to take the directions from a tunnel provider and convert them into [.filename]#/etc/rc.conf# settings that will persist through reboots.			This section demonstrates how to take the directions from a tunnel provider and convert them into [.filename]#/etc/rc.conf# settings that will persist through reboots.

	The first [.filename]#/etc/rc.conf# entry creates the generic tunneling interface [.filename]#gif0#:			The first [.filename]#/etc/rc.conf# entry creates the generic tunneling interface [.filename]#gif0#:

	[.programlisting]			[.programlisting]
	....			....
	cloned_interfaces="gif0"			cloned_interfaces="gif0"
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