Appendix J. Tool Command Language (TCL) Reference

Cisco IOS Software supports the Tool Command Language (Tcl) for writing scripts within the IOS command-line interface (CLI). Scripts are a helpful way to automate tasks, verify configurations, and troubleshoot problems. Cisco IOS Software also has Tcl subsystems for their Embedded Syslog Manager (ESM) and Interactive Voice Response (IVR).

This appendix serves as a quick reference for Tcl scripting. Specifically, this appendix covers the following topics:

• Cisco IOS commands related to Tcl

• Custom command extensions for the IOS Tcl shell

• Tcl script example

• References for learning more about Tcl scripting

Table J-1 summarizes the Cisco IOS commands related to Tcl scripting.

Table J-1. Tcl-Related ...

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