Remote Packet Capture Engine
Forensic-grade endpoint visibility to eliminate blind spots and accelerate troubleshooting
Key takeawaysKey takeaways are generated with AI assistance. Because automated summaries can occasionally contain errors or miss important context, always refer to the full blog post for complete information.The article describes Remote Packet Capture Engine, an add-on to BlueCat LiveWire that provides forensic-grade packet collection and analysis from Windows and Linux endpoints to eliminate visibility blind spots. It addresses real-world problems—intermittent application slowness, extended troubleshooting times, uncertain root-cause analysis, and endpoint security exposure—by enabling remote, centrally orchestrated captures, secure retrieval, and correlation with LiveWire infrastructure data. Operational impacts include faster mean time to resolution, improved support for remote and VIP users, enhanced security investigations, scalable agent management, and extended value from existing LiveWire deployments.
How does Remote Packet Capture Engine integrate with LiveWire to capture packets from remote endpoints?
Remote Packet Capture Engine integrates with LiveWire using endpoint agents on Windows and Linux, a centralized LiveWire control plane (physical or virtual), and a floating license server. Agents are deployed manually, via MSI-compatible deployment tools for Windows, or through container orchestration for Linux/container agents. Each agent checks out a license from the shared pool, maintains health heartbeats with LiveWire, and remains idle until explicitly instructed. From the LiveWire interface, administrators can configure filters, start or stop captures, and retrieve captured packet files securely into LiveWire for forensic analysis and correlation with infrastructure-level data.
What operational benefits does forensic-grade endpoint packet capture provide for troubleshooting remote users?
Forensic-grade endpoint packet capture provides definitive packet-level evidence directly from users’ devices, enabling teams to distinguish whether issues are caused by the local machine, the corporate WAN, a SaaS provider, or the ISP. This capability reduces back-and-forth with users, shortens mean time to resolution from hours or days to minutes, and improves support for remote, hybrid, and VIP users without physical device access. By correlating endpoint captures with LiveWire’s infrastructure data, teams can perform deep analysis of session flows, latency, jitter, and retransmissions to isolate root causes and restore productivity faster.
What use cases and security advantages are enabled by Remote Packet Capture Engine agents?
Remote Packet Capture Engine supports five primary use cases: troubleshooting end-user performance issues, supporting remote and hybrid workers, application-level performance analysis (VoIP, video, business apps), investigating endpoint threats, and high-priority executive/VIP support. Security advantages include the ability to capture packet-level evidence of unusual traffic or breaches, trace lateral movement, and identify command-and-control activity. Agents are designed to be secure and lightweight to minimize endpoint impact, and captured data can be analyzed for anomalies to enhance overall security posture while maintaining centralized, scalable management through LiveWire.
Challenge
Enterprises often lack visibility into user endpoints, creating blind spots that hinder troubleshooting and increase risk. Without insight into remote devices, teams struggle to diagnose issues, determine root causes, or analyze traffic outside the corporate perimeter.
Solution
An add-on to BlueCat LiveWire, Remote Packet Capture Engine provides forensic-grade endpoint visibility Windows and Linux devices, eliminating blind spots, accelerating troubleshooting, and enhancing the remote user experience—all within a single unified observability platform.
Benefits
Solution overview
As a part of BlueCat’s network observability and intelligence offerings, Remote Packet Capture Engine, an add-on to LiveWire, provides teams with clarity to eliminate blind spots, enhance remote troubleshooting, and improve the end-user experience.
Remote packet capture provides definitive data from the source, whether it’s a remote employee experiencing application slowness or an executive reporting intermittent connectivity issues.
Instead of waiting for physical access or shipping devices back to IT, network and security teams can:
This capability transforms the IT team’s operating model. What once required hours or days of back-and-forth with frustrated users can now be resolved in minutes with definitive, packet-level evidence.
Figure 2: LiveWire dashboard with a list of remote engines
How it works
The Remote Packet Capture Engine architecture is built around three tightly integrated components that deliver secure, centrally orchestrated packet capture across Windows and Linux environments:
Windows agents support both manual installation and automated deployment through any MSI-compatible third-party deployment tool. Linux or container agents can be deployed either manually or through container orchestration platforms. Each agent automatically establishes a session with the floating license server, checks out a license from the shared pool, and maintains an active health check with LiveWire. Routine heartbeats ensure the agent is reachable, healthy, and ready to capture when instructed.
By design, a Remote Packet Capture Engine agent does not capture packets until explicitly configured and activated. Multiple agents can be deployed at scale, all of which are visible from the LiveWire interface. From LiveWire, administrators can centrally configure filters, start or stop captures, and manage each remote agent. Once a capture is complete, the resulting packet file can be securely retrieved into LiveWire for analysis.
Figure 1: Remote Capture Packet Engine architecture
Five types of use cases
Every second counts when resolving issues that impact users. These use cases demonstrate how Remote Packet Capture Engine delivers instant clarity, empowering network teams to cut through the noise, accelerate resolution, and keep business operations running smoothly.
Use case 1: Troubleshooting end-user performance issues
An employee reports intermittent slowness or connection drops in an internal or SaaS application. Remote packet capture enables network operations teams to capture and analyze traffic directly from the user’s device, helping them determine whether the root cause lies in the network, the application, or the local machine.
Figure 3: LiveWire dashboard with a list of capture sessions running on remote engines
Use case 2: Supporting remote and hybrid workers
IT teams need to diagnose problems for employees working from home, on the road, or outside the virtual private network. Remote packet capture enables end-to-end visibility without requiring physical access to the endpoint, significantly reducing mean time to resolution.
Use case 3: Application-level performance analysis
Users can experience slow performance with specific apps, such as VoIP, video conferencing, or internal business systems. Packet capture at the source provides visibility into session flows, jitter, retransmissions, and latency, helping to differentiate between application, network, and device issues.
Use case 4: Navigating threats at the endpoint
A device shows signs of unusual traffic or a potential breach. Packet-level data from the endpoint helps security teams investigate threats, trace lateral movement, and identify command-and-control traffic.
Use case 5: Executive or VIP user support
A C-level executive reports sporadic connectivity issues or degraded performance. High-priority support teams can initiate a remote capture without disruption, providing immediate and accurate diagnostics.
Key differentiators
Targeted or always-on capture
Flexible options to maintain continuous collection or initiate packet capture as needed.
Scalable agent management
Manage thousands of endpoints from the LiveWire interface.
Forensic-grade analysis
Leverage advanced analytics to dissect traffic down to the packet level.
Secure and lightweight
Minimize performance impact on endpoints while ensuring secure data transmission.
Solution benefits
Accelerate root cause analysis
Quickly determine if issues are network-related or endpoint-specific, without needing physical access to devices.
Improve support for remote users
Capture and analyze traffic from remote laptops, regardless of location.
Enhance your security posture
Get insights into endpoint traffic patterns to detect anomalies or malicious activity.
Maximize return on existing investments
Extend LiveWire’s capabilities with endpoint visibility and utilize a unified workflow.
BlueCat’s Intelligent Network Operations (NetOps)
BlueCat’s Intelligent NetOps solutions provide the analytics and intelligence needed to enable, optimize, and secure the network to achieve business goals. With an Intelligent NetOps suite, organizations can more easily change and modernize the network as business requirements demand.
