Network Tech is a Package for Sublime Text providing Cisco config highlighting, auto completions and more.
Activate Package Control in Sublime Text
Install the package:
File Menu: Tools
→ Command Pallet
:keyboard: Package Control: Install Package
:keyboard: <enter>
:keyboard: Network Tech
:keyboard: <enter>
Enable the syntax highlighting
File Menu: Tools
→ Command Pallet
:keyboard: Set Syntax: Cisco IOS
:keyboard: <enter>
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