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🔌 VLAN Trunk & Native VLAN Auditor

Compares trunk interface configuration between two switches to detect native VLAN mismatches and dropped VLANs.

â„šī¸ About VLAN Trunk & Native VLAN Auditor

Audits trunk port interface configurations between two interconnecting network switches. Detects native VLAN mismatches, allowed VLAN discrepancies, and trunking mode mismatches before bringing up links.

📖 How to use VLAN Trunk & Native VLAN Auditor

  1. 1. Paste Switch A interface config into field 1.
  2. 2. Paste Switch B interface config into field 2.
  3. 3. Click 'Run Tool' to audit native VLAN and allowed VLAN alignment.

❓ Frequently Asked Questions

Why is a Native VLAN mismatch dangerous?

Native VLAN mismatches cause Spanning Tree Protocol (STP) to block ports or leak untagged traffic between different VLANs.

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