November 2017
Intermediate to advanced
266 pages
5h 34m
English
Content preview from Practical Network Automation
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Device OS upgrades
Sometimes we need to upgrade devices such as routers, switches, and firewalls. It is easy to perform upgrades on one device, but we need automation to upgrade multiple routers. Different devices have different ways of upgrading IOS or OS images, and the automation or scripts are created with different methods depending on the device.
Taking an example of upgrading a Cisco IOS router; there are two basic steps or tasks that need to be performed:
- Copy the relevant OS or IOS image into flash: or bootflash:.
- Change the config to reload the router with the new image.
Task 1: Prerequisites (to copy relevant OS or IOS image):
- We need a FTP server that's accessible from the router and has the IOS image that we need on the 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.
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.