System upgrade for Routers

If the router has damaged iOS for some reason, does not start properly, or needs to upgrade the current iOS, we can do so in the following ways.

(1) First to find the appropriate iOS image file placed in the root directory of TFTP, the IP address of the configuration server is 192.168.1.1

(2) in privileged mode, a version upgrade can be done using one of the following commands.

i.e.: rouer#copy TFTP flash: (note the colon after flash)

Then enter the IP address of the server

Finally, enter the version number you want to upgrade.

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Finally only need to restart the routing system, view the version number can be

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This article is from the "Computer Network Technology" blog, please be sure to keep this source http://9985254.blog.51cto.com/9975254/1621982

System upgrade for Routers