How to use Config Analysis & Explain in rConfig V8
How to use Config Analysis & Explain in rConfig V8
Section titled “How to use Config Analysis & Explain in rConfig V8”Config Analysis & Explain puts an AI assistant next to every device configuration in rConfig. Inherited a firewall nobody documented? Ask it to walk you through the access lists. Reviewing a switch before an audit? Ask for a security review of the management plane. The assistant reads the whole config, so you can ask about it the way you’d ask a colleague who has it open in front of them.
Prerequisites
Section titled “Prerequisites”- The AI Center set up with an active provider (see Getting Started).
- Config Analysis & Explain turned on in AI Configuration.
- You’ve accepted the AI Center terms, and you have permission to view the device’s configs.
Three ways to ask
Section titled “Three ways to ask”| Method | Best for | Answer appears in |
|---|---|---|
| Ask AI toolbar button | Questions about the whole config, and follow-up conversation | The AI Assistant side panel |
| Lightbulb menu on a line or selection | One-click explain, issues, improvements, or security review of a block | The AI Assistant side panel |
| Inline prompt (Ctrl/Cmd+K) | A quick question about specific lines without leaving the editor | A box inside the editor, under the lines |
Ask AI: chat about the whole config
Section titled “Ask AI: chat about the whole config”- Open a device, then open its configuration in the config viewer.
- Click the Ask AI icon in the toolbar.
The AI Assistant panel opens on the right. The header shows the config ID and how many lines were loaded, and the status line shows AI Online with the provider and model in use. The assistant greets you with where the config lives and its size, then waits for your question.
Lightbulb menu: act on a block of config
Section titled “Lightbulb menu: act on a block of config”Hover over a line, or select several lines, and a 💡 appears beside them. Click it and choose:
| Action | What the assistant is asked |
|---|---|
| Explain configuration | “Please explain what this configuration does and how it works” |
| Find issues | “Please analyze this configuration for potential issues, misconfigurations, or problems” |
| Suggest improvements | “Please suggest improvements and best practices for this configuration” |
| Security analysis | “Please perform a security analysis of this configuration and identify any vulnerabilities” |
| Ask custom question… | Opens the inline prompt so you write your own |
The first four open the AI Assistant panel and send the request with your selected lines straight away. The assistant still has the full config for context, so it can tell you that an ACL you selected is applied to a particular interface elsewhere in the file.
Inline prompt: a quick question in place
Section titled “Inline prompt: a quick question in place”Select some lines and press Ctrl+K (Cmd+K on macOS), or choose Ask custom question… from the lightbulb. A box titled Ask AI about lines N-M opens under your selection with a starter question you can edit. Press Enter to send or Esc to cancel. The answer appears in an AI Response box in the editor.
Inline prompt in action with selected lines and AI response
Worked examples
Section titled “Worked examples”These examples show the kind of question that gets a useful answer. The screenshots are real responses; your wording and model will produce different text.
Example 1: Understand an unfamiliar config
Section titled “Example 1: Understand an unfamiliar config”Scenario: you’ve been handed a branch router you’ve never seen.
Ask: “Give me a summary of this router: its role, interfaces in use, routing protocols, and anything unusual.”
A structured summary of an unfamiliar router
Detailed analysis of the selected router lines
Good follow-ups: “Which interfaces are shut down?”, “What would break if I removed ACL 110?”
Example 2: Security review before an audit
Section titled “Example 2: Security review before an audit”Scenario: an auditor wants evidence that management access is locked down.
Ask: select the line vty, snmp-server, and aaa sections, then choose Security analysis from the lightbulb.
Security analysis of the management plane
Suggested configuration change for the VTY section
Good follow-ups: “Rewrite the VTY section to allow SSH only from 10.0.0.0/8.” The assistant can draft config, but it never pushes anything: you copy what you want into your own change process.
Example 3: Explain one block
Section titled “Example 3: Explain one block”Scenario: a BGP config with several match and set clauses is behaving unexpectedly.
Ask: select the BGP config, then choose Explain configuration.
Clause-by-clause explanation of a BGP config
Assistant’s reasoning for the BGP config explanation
Getting better answers
Section titled “Getting better answers”- Be specific. “Is BGP to 192.0.2.1 using authentication?” gets a better answer than “Check BGP.”
- Ask for the format you want: a table, five bullets, or “explain it for a junior engineer”.
- Select the lines that matter for long configs. The assistant sees the whole config, but pointing at the relevant block focuses the answer.
- One topic per conversation. Click New chat (tooltip Start a new conversation) when you change subject. Long mixed conversations dilute answers.
- Ask it to show its evidence: “Quote the lines that support that.” This makes answers easy to check.
Conversation history
Section titled “Conversation history”Conversations are saved per user and per config. Reopening Ask AI on the same config resumes your latest conversation. Click the history icon (Past conversations) to open an earlier one, or New chat to start fresh.
If the config has changed since a conversation started, a yellow banner appears above the input: The configuration has changed since this chat started. Replies may reference the older version. Click Start a fresh conversation to work from the current config.
Past conversations and the config-changed warning
What gets sent to your provider
Section titled “What gets sent to your provider”On the first message of a conversation, rConfig sends your question, the device config, and some config metadata. Configs up to about 100,000 characters are sent whole; larger ones are trimmed to the most relevant sections. Follow-up messages send only the new question; the config isn’t sent again. If configs contain secrets you don’t want leaving your network, use a local provider such as Ollama. See Governance, audit & privacy for every capability.
Limits
Section titled “Limits”| Limit | Value |
|---|---|
| Length of one question | 8,000 characters |
| Config sent whole | Up to about 100,000 characters; larger configs are trimmed by section |
| Config sent with the inline prompt | Up to 50,000 characters; above that, only your selected lines are sent |
Common gotchas
Section titled “Common gotchas”For any other message, see Troubleshooting.