December 2006
Intermediate to advanced
1188 pages
72h 8m
English
Content preview from Cisco IOS Cookbook, 2nd 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,
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Copying an IOS Image to a Server
Problem
You want to save a backup copy of your IOS image on a TFTP server.
Solution
You can upload a copy of your router’s IOS image to a TFTP server with the following set of commands:
Freebsd%touchFreebsd%/tftpboot/c2600-ik9o3s-mz.122-12a.binchmod 666Freebsd%/tftpboot/c2600-ik9o3s-mz.122-12a.bintelnetTrying 172.25.1.5... Connected to Router1. Escape character is '^]'. User Access Verification Password:Router1<vtypassword>Router1>enablePassword:<enablepassword>Router1#copy flash:c2600-ik9o3s-mz.122-12a.bintftpAddress or name of remote host []?Destination filename [c2600-ik9o3s-mz.122-12a.bin]?172.25.1.1<enter>!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 11135588 bytes copied in 52.588 secs (211752 bytes/sec) Router1#
Discussion
Before attempting to upgrade the IOS version of a router it’s a good idea to save a copy of the current IOS image. This way, if an upgrade fails or if you have problems with the new IOS version, you can revert back to the old proven IOS version. The procedure to copy an IOS image to a TFTP server is very similar to the way we backed up a configuration file in Recipe 1.2. The only real ...
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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.