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Cost-effective, real-time network, application, and VoIP performance monitoring and packet capture, from 1Gbps all the way to 400Gbps.

Allegro’s 4th generation Network Monitoring tools are built for Network Engineers and IT Operations teams who need instant, accurate, and comprehensive network analysis.  

Whether you’re troubleshooting remote sites, monitoring edge devices, or analysing traffic at the core of your data centre, Allegro delivers unmatched insight and diagnostics in real-time. 

Common Allegro Packets use cases include:

Resolving performance issues

Quickly pinpoint whether the problem lies in the network, server, client, or application. Allegro’s intuitive local web interface visualises real-time L2-L7 performance trends and metrics, helping teams resolve issues faster and reduce MTTR. 

Instant network insight and control

Instantly identify every device, service, and protocol on your network (both past and present). Powerful L2-L7 visibility, RegEx-based live filtering, and versatile export features help you to troubleshoot issues faster and keep your network running smoothly.

Powerful VoIP & RTP troubleshooting

Trusted by enterprises and service providers worldwide, Allegro’s monitoring systems offer deep, packet-based insight into VoIP and RTP performance.  

Analysis of SSL / TLS server connection validity or faults

Pinpoint SSL / TLS issues by monitoring handshake times, response delays, and protocol details. See exactly which TLS versions are negotiated, detect warnings, and verify key strength and certificate validity to quickly fix problems with confidence.

Optimising unified communications

For seamless performance in Teams, Zoom, Webex, and other UC platforms, Allegro’s monitoring probes pinpoint whether service degradations are internal or external, and show their impact across clients, subnets, or your entire organisation.  

Unified multi-point observability

Connect multiple Allegro systems in one web interface for extensive multi-point monitoring. Seamlessly switch views, compare traffic across locations, and verify network and service performance in branches versus the data centre.    

Packet analysis with pre-filtering

Make Wireshark analysis faster and more efficient. Easily extract packets of interest from live networks or large pcap files, whether by connection, protocol, or RegEx match, to ensure accurate last-mile troubleshooting.  

Optimising network performance across sites

Allegro provides passive, real-time insight into network path performance. Track latency, jitter, and packet loss across local and remote segments to quickly detect issues, confirm network stability, and deliver consistently high performance across your network.  

Deep protocol insight to SCADA / industrial ops

Allegro delivers comprehensive SCADA and industrial protocol monitoring, including PROFINET, OPC-UA, and IEC 60870-5. Gain full packet-based visibility into communication flows, top talkers, bandwidth, jitter, errors, and alarms. 

Capture, replay, and analyse every packet

Never miss a packet. Selected Allegro systems can record up to 400Gbps of network traffic, both at the edge or in your data centre, allowing for detailed playback and analysis for troubleshooting, security, or compliance purposes.  

Cost effectively compare network performance without storing packets

Traditionally, tracking performance trends means capturing and storing packets for later analysis, which quickly drives up costs. Allegro takes a smarter approach; it captures packets only long enough to extract metadata, stores that lightweight data instead, and uses it to deliver historical insights. 

The ultra-portable Allegro models are compact, lightweight, and ready to operate without configuration.

All Allegro appliances are accessed through an intuitive, browser-based interface, allowing Engineers to identify network issues with just a few clicks. Problem areas can be quickly isolated, and targeted pcaps can be taken from specific traffic for deeper analysis. 

Compact power for remote & edge sites

No more struggling with SPAN ports or external TAPs, simply insert the Allegro 500 inline into the 1Gb link for immediate access to all network traffic. 

Layer 2 to Layer 7 monitoring begins the second you connect which allows instant troubleshooting and performance checks.

The same intuitive web-based GUI and feature set across the entire Allegro range means no extra training or learning curve when you scale up.

Wi-Fi antennae available for visibility into WiFi environments.

Unlike using a laptop for packet capture (where OS and NIC limitations drop VLAN tags or errored packets), Allegro’s hardware platform ensures nothing is lost before analysis.

The Allegro Networks systems range
Model name Use case Capture rate Form factor Key features
Allegro 500 / 510 Remote sites / edge 4Gbps Compact, portable Inline monitoring, Wi-Fi ready
Allegro 810 / 1010 / 3010 Large networks 10Gbps-40Gbps Portable & rack-mounted Larger storage, deeper capture history
Allegro 1210 / 3210 / 5210 Enterprise networks & data centres 120Gbps 1 RU rack-mounted High-volume capture & analytics
Allegro 1310 / 3310 / 5310 / 7310 Enterprise, data centre, & carrier networks 240Gbps 1 RU rack-mounted Massive capacity & multi-link analysis
Allegro 1410 / 3410 / 5410 / 7410 Enterprise, data centre, & carrier networks 240Gbps 2RU rack mounted Massive capacity & multi-link analysis
Allegro x310 Data centre & high-performance environments 200Gbps (with 400Gbps expansion available) 1 RU rack-mounted Real-time Layer 2–Layer 7 analysis, extended historical storage
Allegro x510 Service providers & carriers 200Gbps High-density chassis Multi-link analysis, massive storage, forensic investigation ready

Honest and predictable pricing

If you’re feeling the pinch on your network monitoring renewal, you’re certainly not alone. Many businesses are seeing steep price hikes for their network monitoring tool renewals. This is a trend we’ve been hearing about more and more. 

Allegro combines cutting-edge monitoring capabilities with honest, competitive pricing, which we think is exactly what’s needed in today’s market. 

So, whether you’re troubleshooting performance issues, or simply want to keep your monitoring costs under control without losing critical features, we and Allegro Packets have you covered. 

Get Started with Allegro and Red Helix

Whether you need portable 1G troubleshooting at the network edge or multi-terabit analysis in your data centre, Allegro’s Network Monitoring tools provide the precision and speed your Engineers need to keep operations running smoothly.

And as UK leaders in network performance, we at Red Helix can also provide you with TAPs for safely acquiring copies of network traffic, and Network Packet Brokers to aggregate and send just the required traffic to your Allegro monitoring probe in the speed and format it requires.

Talk to Red Helix today to arrange a live demo or discuss the right Allegro model for your needs.

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