March 2009
Beginner to intermediate
144 pages
3h 13m
English
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Passwords
A password is the simplest authentication method a Cisco router can use, but it's effective enough for most networks. If you have dozens of routers, you may want to consider a solution such as RAIDUS or TACACS+, but that really is overkill for small environments. By default, routers do not require passwords, but also by default, you cannot access the router over the network, so in order to get a command prompt on the router, you need physical access. Cisco assumes that if you know enough to enable network access, you know enough to set up passwords.
Before implementing passwords on your router, make certain that the password encryption service is activated. By default, routers store passwords in their configuration in unencrypted format. ...
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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.