| Pattern | Color | Example | |---------|-------|---------| | % (at line start) | | %LINK-3-UPDOWN | | Error | Red | Error: Invalid input | | failed / denied | Dark Red | Permission denied | | Down | Red Bold | Gig0/1 is down |
Critical states like down , administratively down , or err-disabled pop out in high-contrast colors.
Configuring XShell highlight sets is a simple process that can be completed in a few steps:
Static keyword matching is powerful, but regular expressions allow you to highlight dynamic patterns like IPv4 addresses, MAC addresses, and interface numbers. xshell highlight sets cisco best
\b(localhost|([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-4])\.[0-9]+\.[0-9]+\.[0-9]+|null|none)\b
Here are my battle-tested rules. Add them under the tab.
Reserved for shutdown states, boot errors, packet drops, and security violations. | Pattern | Color | Example | |---------|-------|---------|
To achieve the best results, you need a balanced highlight set that covers key CLI modes and configuration structures. Here are the top types of highlights to implement: 1. Interface & Status Highlighting These are critical for rapid interface troubleshooting.
In your Xshell window, navigate to the top menu bar and click on Tools . From the dropdown menu, select Highlight Sets . This will open the Highlight Sets dialog box where all management occurs.
Visual anchors prevent eye strain during long maintenance windows, helping you maintain focus and accuracy. How to Create and Apply a Highlight Set in Xshell Add them under the tab
Even with a well-designed set of rules, you may encounter unexpected behavior. Here's a brief guide to troubleshooting common problems in Xshell's Highlight Sets:
Regular expressions matching IPv4 addresses: \b(?:[0-9]1,3\.)3[0-9]1,3\b
After testing dozens of public sets (Reddit, GitHub, Cisco Learning Network) and building my own over 8 years, the set must have:
Regularly review and refine your highlight sets. As your responsibilities evolve, so too should your rules. Perhaps you no longer need to monitor for EIGRP events, but BGP has become your primary focus. Adapt your configuration accordingly.