August 2005
Intermediate to advanced
798 pages
31h 12m
English
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Name
ip subnet-zero — global
Synopsis
ip subnet-zero no ip subnet-zero
Configures
The zero subnet
Default
Enabled in recent versions of IOS (12.X)
Description
When subnetting a network, the 0 subnet (the subnet whose subnet bits are all 0) is normally not allowed because of potential confusion between the subnet address and the network address. In practice, this confusion is rarely an issue. This command allows the router to use the all-zeros subnet.
Example
The following command enables the zero subnet:
ip subnet-zero
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.