Multi-VLAN Topology Viewer Explained
NetOpsVA's Multi-VLAN Topology Viewer, a tool designed to help network engineers visualize the intricate details of a single device's network configuration. The viewer achieves this by gathering various data points, including VLANs and their associated ports, neighboring devices detected via CDP/LLDP, and the operational status of each port. The process involves several steps: first, identifying the target device, then collecting ARP entries, VLAN information, neighbor data, and port statuses. This data is then used to construct nodes representing the device, VLANs, and neighbors, along with edges illustrating their interconnections. Finally, the tool identifies routers associated with specific VLANs using ARP entries, culminating in a comprehensive JSON output that provides a detailed topology map for enhanced network understanding.