Teledyne Lecroy Integrated AN/LT Automated Test Solution for Fast Ethernet

Teledyne LeCroy, Inc. announces the 1st integrated high-speed Ethernet traffic generation and protocol analysis solution for validating the limits of Auto-Negotiation and Link Training (AN/LT) for 800GbE.

Xena Z800 Freya Ethernet traffic generator

An extension to the existing LinkExpert software, this solution leverages the capabilities of both Xena Z800 Freya Ethernet Traffic Generator and SierraNet M1288 Protocol Analyzer to test the limits of Ethernet’s Auto-Negotiation and Link Training specifications.

SierraNet M1288 protocol analyzer

This automated testing solution simplifies and accelerates interoperability testing across various Ethernet switches and NICs. It not only validates optimal test scenarios but also addresses challenging corner cases, helping to resolve complex issues related to optimizing high-speed Ethernet connectivity before deployment in data centers.

Tests include:

• Testing each Equalizer Tap to its maximum limit to verify protocol compliance and ensure links re-establish if limits are exceeded.
• Verifying the robustness and stability of the SerDes interface by repeatedly configuring and measuring performance variations.
• Validating that all speeds can be negotiated to support backwards compatibility.
• Ensuring links can be established starting from any preset.

“The importance and complexity of Auto-Negotiation and Link Training increased dramatically when the industry embraced the 112G SerDes to support 800Gb links,” said Nick Kriczky, VP, products and services for storage and networking. “Our customers needed a way to quickly and thoroughly validate their products to ensure that they will perform correctly in the most demanding datacenter and cloud environments.”

The SierraNet M1288 provides full stack capture, deep packet inspection and analysis for links up to 800Gb/s. Additionally, it offers jamming capabilities for direct error injection on the link at wire speed to fully validate negative test scenarios.

The Xena Z800 Freya Ethernet traffic generator is a versatile solution for performance and functional testing of Ethernet network infrastructure and equipment including switches, routers and NICs. The Z800 Freya can test up to 800GE using PAM4 112G SerDes and is designed to achieve the best possible signal integrity and BER performance. Signals can be analyzed in advanced signal integrity view, which provides visual information on the quality of the signal.

Availability
The LinkExpert solution with the AN/LT integrated test functionality is shipping as part of the SierraNet Net Protocol Suite software.

Resource:
Link Training Process and Optimization