Article ID: 000080064 Content Type: Troubleshooting Last Reviewed: 11/15/2011

MII Local Loopback Failure

Environment

Quartus Edition

Quartus® II Subscription Edition

Version Found: 10.0 Version Fixed: 11.0

FPGA Intellectual Property

Ethernet

Version Found: 10.0 Version Fixed: 11.0

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Critical Issue

Description

The MAC function receives corrupt data packet when you enable the local loopback on MII.

This issue affects designs that contain Triple-Speed Ethernet MAC operating at 10/100-Mbps.

Resolution

No workaround.This issue is fixed in version 11.0 of the Triple-Speed Ethernet MegaCore function.

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