Boot and config router cisco automatic using TCL script
Hello everyone, I am a beginner. I search for the course, how can we automatically boot config and cisco router using TCL script? I do not know if it is possible. If yes, how is it? If not, what solution can it replace? Well thank you everyone!
On the network management thread, you mentioned that you want to fully boot a router (including the IOS) over the network. This isn't fully possible, at least not on all platforms. You need to at least have some image on the router. Then, assuming the router does not have a valid startup configuration, it will boot, request an IP via DHCP, get a TFTP boot server, and fetch an initial config file. One you can do that, you can push a config that contains an EEM applet to the router. This EEM script can then download a more complex Tcl script. Once you have Tcl on there, the sky is the limit. You can do all sorts of things including downloading new IOS and configuring any parameters you want.
Hello Joseph, Thank you for your reply. In your opinion, what is to say that we need EEM in the config file and download this EEM TCL scripts? But after downloading tcl script, how do you Execute? Waiting until the end of AutoInstall and execute command "tclsh script.tcl"? I await your reply with impatience. Have a nice day.
I don't understand the question. The Tcl script will be copied to the device, then registered in the running config. In my solution, the startup-config is replaced with the actual config for the device. This replacement startup-config does NOT contain the line to register the EEM Tcl policy. The result is that while the Tcl script may still reside on flash, it is not registered, and thus does not run when the device reboots.
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