How does static routes work

In this case you must define a static route, telling your router that Here is an example:. Advanced remote support tools are used to fix issues on any of your devices. The service includes support for the following:. Thank You Thank you for taking the time to respond.

Rating Submitted Do you have a suggestion for improving this article? Characters Left : Submit Cancel. Your main Internet access is through a cable modem to an ISP. You have an ISDN router on your home network for connecting to the company where you are employed.

This router's address on your LAN is Your company's network address is This is because all static routes must be configured manually. For the other three routers to learn about this, you must enter three static routes. In that case, you would have to enter the static route on the other routers.

That is a lot of typing! As a network administrator, you should be familiar with how and when to use static routes. The ip route statement creates a static route.

Static routes should be used in limited application but are very necessary in many network configurations. Static Routing vs. Dynamic Routing. Classification of Routing Protocols. The router learns the next hop for packets by one of two methods: Static routing: With static routing, you, as the administrator, manually enter the routes and tell the router, for each IP network, what next hop that traffic should be delivered to.

Dynamic routing : With dynamic routing, you, as the administrator, configure a routing protocol on your network interfaces. Your routing protocol learns about other routers automatically. Your router and the other routers exchange routes, and each learns about the networks that the others are connected to.

When new networks are added or removed, the routers update one another. Basics of Static Routing With static routing, you are telling your router to send traffic with a destination IP address to a router with an IP address of x. Creating a Static Route Here is an example of how to create a route on a Cisco router: Router config ip route 1.

Here is an example of a default route: Gateway of last resort is 2. Here is an example of how to create a default route on a Cisco router: Router config ip route 0. Positive Aspects of Static Routing There is no overhead for using static routes. When you have a medium-sized network where all routers connect back to a single router hub-and-spoke topology. Using a static route, a router can learn about a route to a remote network that is not directly attached to one of its interfaces.

Note that, however, static routes are not widely used today, since you have to configure each static route manually on each router in the network. The router with the next-hop IP address must be on a directly connected network. Consider the following example:. Note that R1 knows about the two directly connected networks: