June 2003
Intermediate to advanced
184 pages
5h 8m
English
Content preview from Building Wireless Community Networks, Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
The Campus
After setting up a couple of access points to cover our campus, and a crash course in WEP, MAC filtering, and closed networks, our fledgling 802.11b network was up. With relatively little effort and expense (about $3000 and a few hours work in all), we now had seamless coverage in all three of our buildings, complete with roaming between APs. At the time, the main O’Reilly offices in Sebastopol consisted of three two-story buildings, covering an area about 450 by 150 feet. Using one Lucent AP-1000 in each building, and a small 5db omni at each AP, I was able to cover nearly all of the offices and conference rooms.
Early on in the process, one of our users noticed that she couldn’t get online, even though she had a very strong signal. Upon checking her network settings, I realized that she hadn’t set her ESSID, and was therefore associating with any available network. It just so happened that the network with the strongest signal was coming from the business next door! I fired up Lucent’s Site Map tool, and, sure enough, there was an existing 802.11b network immediately next door. After a quick conversation with their sysadmin, we decided on a channel numbering scheme that would minimize interference between the two networks. (This is exactly why a preliminary site survey is so important: even though you may not see antennas, a network may already exist in your area! Don’t just assume that since wireless is new to you, it’s new to your part of town.)
Now that our offices ...
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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.