CDP Monitor

CDP Monitor helps network engineers quickly map Cisco neighbor relationships and inventory devices for ongoing monitoring and change detection.

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4.9 / 5.0

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About This Tool

CDP Monitor analyzes Cisco Discovery Protocol data to map device adjacency and inventory across networks. It targets network operations teams and IT managers who require centralized visibility of Cisco-based topology without manual sweeps. The tool ingests CDP data from reachable devices, parses key fields, and builds a graph of device connections, including local and remote ports, IPs, and platform information. It is designed for periodic polling, multi-site deployments, and export-ready outputs for audits and dashboards. Core value lies in accurate adjacency mapping, versioned topology, and automated inventory synthesis that accelerates troubleshooting and change management. Users gain deterministic topology views, historical comparisons, and actionable summaries to support capacity planning and incident response.

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How to Use

Define targets (IP range or host list) and provide management credentials.
Configure protocol options (enable CDP/LLDP as available) and interface filters.
Set polling interval and run discovery to collect neighbor data.
Review outputs (devices, adjacencies, ports) and identify topology gaps.
Export data (JSON/CSV) for integration with CMDB or ticketing systems.

Frequently Asked Questions

Find Quick Answers

What is CDP Monitor and who should use it?

CDP Monitor is a network topology and inventory analysis tool focused on Cisco Discovery Protocol data. It is intended for network engineers, NOC staff, and IT leaders responsible for device adjacency visibility, topology changes, and asset management in Cisco-centric environments.

What data does the tool output?

The tool outputs a devices list with identifiers, IPs and platforms, a set of adjacencies showing which device connects to which, local and remote ports, and a timestamped history. Exports are available in JSON and CSV formats for CMDB or ticketing integrations.

Can it handle non-CDP devices or LLDP?

Yes, the tool supports optional LLDP data when CDP is unavailable or limited. It can merge results from both CDP and LLDP to provide a broader adjacency view, if enabled and supported by devices.

What are the main failure scenarios and mitigations?

Common issues include unreachable devices, invalid credentials, or disabled CDP. The tool flags partial results, retries on failure, and provides a per-target log to assist in remediation and to avoid blocking overall discovery.

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