Prompt lesson · 21 prompts
VLAN Configuration prompts for Network Engineers
21 ready-to-use prompts from our AI for Network Engineers course. Copy one, fill in the {{placeholders}}, and paste it into ChatGPT, Claude, Gemini or any other AI.
Apply VLAN Best Practices
Use this when you need to design or optimize VLAN configurations for scalability, redundancy, and performance.
Role You are a senior network architect with deep expertise in VLAN design, helping organizations build robust and scalable networks.
Context you provide
- {{network_size}}: The scale of your network (e.g., small office, enterprise with multiple sites).
- {{current_config}}: Your current VLAN setup, including any existing issues.
- {{requirements}}: Specific requirements such as high availability, segmentation, or performance needs.
Instructions
- Ask for the network size, current configuration, and requirements if not provided.
- Provide best practices for VLAN design, including: VLAN segmentation by function, use of private VLANs, and proper naming conventions.
- Discuss scalability considerations, such as VLAN trunking, VTP, and hierarchical design.
- Explain redundancy strategies, including spanning-tree protocols, link aggregation, and failover paths.
- Highlight common mistakes to avoid and how to optimize performance.
Output format A best practices guide with: a summary of key recommendations, a checklist for implementation, and a section on common pitfalls.
Guardrails
- Do not assume specific hardware or software; provide vendor-neutral advice.
- Do not invent specific configuration commands; use generic terminology.
- Stay focused on VLAN best practices; do not expand into broader network design unless asked.
Example {{network_size}}: 500 users across 3 sites; {{current_config}}: flat network with 5 VLANs; {{requirements}}: need to segment guest and IoT traffic.
Open this prompt Planning · Intermediate
Configure Inter-VLAN Routing
Use this when you need to set up or troubleshoot routing between VLANs on network devices.
Role You are a network engineer specializing in enterprise routing and switching, optimizing for reliable inter-VLAN communication.
Context you provide
- {{network_setup}}: Describe your current network devices (e.g., layer 3 switch model, router) and VLAN configuration.
- {{routing_goal}}: Specify the VLANs that need to communicate and any restrictions.
- {{issues}}: If troubleshooting, describe the symptoms and any error messages.
Instructions
- If context is incomplete, ask for the missing details.
- Provide step-by-step configuration commands for inter-VLAN routing on the given device type.
- Explain the differences between router-on-a-stick and layer 3 switch routing, with examples.
- Offer troubleshooting steps for common issues like missing VLAN interfaces or incorrect trunk settings.
- Suggest best practices for maintaining the configuration.
Output format Use numbered steps for configuration, tables for comparisons, and bullet points for troubleshooting. Include command snippets in code blocks. Tone: technical and clear.
Guardrails
- Do not assume specific hardware; ask if not provided.
- Avoid security-sensitive details; focus on standard configurations.
- Flag any commands that may cause downtime.
Example "Network setup: Cisco Catalyst 3560, VLANs 10 and 20; routing goal: allow VLAN 10 to access VLAN 20; issues: no connectivity between VLANs."
Open this prompt Learning · Intermediate
Configure VLAN Access Control
Use this when you need to design, configure, or troubleshoot VLAN access control lists (ACLs) to secure traffic between VLANs.
Open this prompt Coding · Advanced
Configure VLAN QoS
Use this when you need to prioritize network traffic on VLANs to ensure critical applications perform well.
Open this prompt Planning · Intermediate
Configure VLAN Tagging Across Devices
Use this when you need to understand, configure, or troubleshoot VLAN tagging on network equipment.
Open this prompt Learning · Beginner
Design Scalable VLAN Architectures
Use this when you need to design or assess VLAN architectures that can grow with your organization and implement effective pruning techniques.
Open this prompt Planning · Intermediate
Enhance Network Security with VLANs
Use this when you need to improve network security through VLAN segmentation, private VLANs, or other isolation techniques.
Open this prompt Analysis · Intermediate
Implement VLAN Trunking Protocols
Use this when you need to configure or troubleshoot VLAN trunking, or decide between 802.1Q and ISL.
Open this prompt Planning · Intermediate
Inter-VLAN Routing Setup
Use this when you need to configure or understand inter-VLAN routing using layer 3 switches or routers to enable communication between VLANs.
Open this prompt Planning · Advanced
Secure VLAN Configurations
Use this when you need to harden your VLAN setup against common attacks and misconfigurations.
Open this prompt Analysis · Intermediate
Troubleshoot VLAN Issues
Use this when you need to diagnose and resolve VLAN configuration problems in your network.
Open this prompt Analysis · Advanced
VLAN ACL Configuration Guide
Use this when you need to configure or understand VLAN access control lists (ACLs) to manage traffic and enforce security policies between VLANs.
Open this prompt Planning · Intermediate
VLAN Creation Configuration Guide
Use this when you need step-by-step instructions and best practices for creating VLANs on network devices.
Open this prompt Creating · Intermediate
VLAN Documentation Template
Use this when you need to create or improve documentation for your VLAN configurations to ensure accuracy and clarity.
Open this prompt Creating · Beginner
VLAN Membership Configuration
Use this when you need to configure or troubleshoot VLAN membership on network switches to ensure proper network segmentation.
Open this prompt Planning · Intermediate
VLAN Membership Management
Use this when you need to add, remove, or troubleshoot devices in VLANs and ensure proper membership configuration.
Open this prompt Planning · Intermediate
VLAN Migration Planning and Execution
Use this when you need to plan and execute a VLAN migration with minimal disruption to network services.
Open this prompt Planning · Advanced
VLAN Migration Planning and Execution
Use this when you need to plan and execute a VLAN migration with minimal disruption and validate the process.
Open this prompt Planning · Advanced
VLAN Tagging Configuration and Troubleshooting
Use this when you need to understand, configure, or troubleshoot VLAN tagging methods like IEEE 802.1Q or ISL.
Open this prompt Learning · Intermediate
VLAN Troubleshooting Guide
Use this when you need to diagnose and resolve VLAN connectivity issues in your network.
Open this prompt Analysis · Intermediate
VLAN Trunking Configuration Guide
Use this when you need to understand, configure, or troubleshoot VLAN trunking to enable multiple VLANs over a single network link.
Open this prompt Learning · Intermediate