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By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy. What is Static Routing? Popular Course in this category. Course Price View Course. Free Software Development Course. Login details for this Free course will be emailed to you. Email ID. How routers know the IP destinations? One way to achieve full information is to tell the router manually about specific destination.
This process of telling about specific destination by the human is called static routing information. Setting the single static route is very quick administrative task.
But take a note that when deciding to go with static routing solution, network admin is responsible for informing every router about:. So in our picture if there is only one change of IP subnet address from Now, imagine that your network consists of routers and you have to add only 2 new different subnets to the network because there is an opening of new office in your company.
You would need to add static routing entries. Imagine another example that there is Internet routing change with thousands of routers managed by different Internet Service Providers and routing tables have over prefixes. What is wrong with static routing here? There is one more point related to the static routes problem, that is possibility of routing loops creation by mistake. Yes, that is why we need to use dynamic routing. Dynamic routing solves the above problems.
With dynamic routing there is an automatic process running between all routers. The process is called routing protocol and is designed to. Above consideration points out the pros and cons of the dynamic and static routing approach. Anyway, what you should choose, should be answered based on your scenario. If you want to get a hint how to configure static routing check this config. If you want to configure dynamic routing visit Grandmetric Knowledge Base: Routing corner.
He used to work for large service providers, global vendors and integration services companies as Network Architect, Leading Architect and Techincal Solution Manager positions. He designed, implemented and supported dozens large scale projects and infrastructure migrations, solved hundreds of tickets and spent hours with CLI and GUI of many flavors.
I have a situation something like example 4 above. Each ISP is terminated on their own Cisco router and all the routers are then connected to a Cisco switch. I have a requirement that some service, running on a single physical machine having two NIC, should primarily be served through ISP1, as it is having highest BW.
Consider the following example:. Note that R1 knows about the two directly connected networks: However, we can specify a static route that will rectify this problem:.
Because R1 now knows where to send packets, the ping command is successful. Username Password Remember Me.
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