Video record of the IOS upgrade process of the Cisco router in Episode 9 (Part 2)

This video is the second part of the ninth episode of the Network part of the Linux system engineer training course.

The main content is IP interconnection between Cisco switches and routers, configuration Backup recovery, and IOS Backup Recovery and upgrade of switches.

At work, I found that many Linux O & M personnel encounter bottlenecks due to lack of basic network knowledge, and it is still a common phenomenon thanks to the inapplicable education system in China ). From the perspective of public welfare and personal knowledge sharing, I plan to share a series of online knowledge. The reason why I used CCNA courseware is that I cannot find the courseware without CCNA, however, the courseware can be downloaded from the attachment after a slight modification). 2 ~ 3 videos and synchronize them at 51ctoFor video production reasons, 1 ~ 2 days delay. If you want to watch the video first, please pay attention to it.My weiboOrYi Bai Weibo)

This article from the "turn away-Wang Jun" blog, please be sure to keep this source http://johnwang.blog.51cto.com/474770/1161830