May 2009
Intermediate to advanced
882 pages
22h 55m
English
Content preview from Cisco® Network Professional's: Advanced Internetworking Guide
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10.1. Client Redundancy Issues
How can you configure a client to send data off its subnet when its default gateway router has gone down? Typically, the answer is you can't. Most host operating systems don't allow you to change data routing. Sure, if a host's default gateway router goes down, the rest of the network will converge, but the network doesn't share that information with the hosts. Take a look at Figure 10.1; you can see what I am talking about. There are actually two routers available to forward data for the local subnet, but the hosts only know about one of them. They learn of this router when you give them the default gateway.
Figure 10.1. Default Gateway
I am sure that you are asking, "Is there another way to use the other router?" ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.