h1

Backup Csico routers and switches

March 5, 2013

I think my idea is secure, fast and easy to be implemented by anyone. No need of special software. All you need is tftp client. My stuff is working under Linux and I am not with “root” privileges when I am doing all that.

In the case I’m describing below 172.16.0.3 is my router and 172.16.0.27 is my Linux box. I am creating ACL #55 on the router, which ACL allows only the Linux box to have tftp access to it.

tftp-server nvram:startup-config 55

access-list 55 remark PERMIT hosts requesting TFTP access
access-list 55 permit 172.16.0.27

On the Linux box my “super” file is named “routers_backup.sh” and looks like:

#!/bin/sh

/usr/bin/tftp 172.16.0.3 -c get startup-config /home/jo/configs_backups/routers/Router_$(date “+%Y%m%d”)

and I do have crontab job running every Friday at 12:55 during the day:

55 12 * * 5 /home/jo/configs_backups/routers_backups.sh

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