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Aswertus

Cisco IOS / IOS-XE / IOS-XR Syntax Highlighting

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Thanks for sharing this, @alalexiev. Your profile was the starting point for the one I use every day now.

A few things I ran into while adapting it to RDM 2026.3, in case they help someone else here:

  • Rules only use their hex colour when Foreground/Background color is set to "Custom". Without that, an imported file shows everything as ANSI black on white.

  • Matching is case-insensitive by default. So a header word like Device also colours ip device tracking. Ticking Case sensitive fixes that.

  • Prefix patterns like Fa, Te or Lo also hit Failed, Telnet or Local. Requiring a digit after the interface type avoids that.

  • Importing adds the new rules below the existing ones, and the rule higher up wins. So import into an empty profile.

  • RDM's default terminal font is quite thin. Switching to Consolas 11, anti-aliased, made the colours much easier to read.

If anyone wants the reworked version, I've put it on GitHub with setup screenshots: https://github.com/Aswertus/cisco-rdm-highlighting

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