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This knowledge base has moved to the documentation site. Please visit the knowledge base here for the most up to date content. This site is no longer maintained.

  1. Cumulus Networks® Knowledge Base
  2. Configuration and Usage
  3. Cables, Optics and Transceivers

Cables, Optics and Transceivers
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  • ★ Transceiver and Cable Recommendations
  • ★ Transceiver and Cable Self-qualification with Cumulus Linux
  • 40G Active Optical Cable (AOC) Doesn't Come Up or Pass Traffic on Boot
  • 40G Optical QSFP not Recognized on Edge-Core 5600X
  • Can't Configure 10G or 40G Port for 10/100M Speed
  • Error seen: portwd invalid SFF identifier
  • How do I find out the type of transceiver used in the port?
  • No Connectivity with Intel x710 NICs on FW 6.0.0
  • Optical SFPs Do Not Link Up on Edge-Core 5610
  • Unable to Bring up Copper SFP on Dell S4048-ON
  • [RETIRED] Suggested Transceivers and Cables for Broadcom-based Switches
  • [RETIRED] Supported Transceivers and Cables for Mellanox Switches

This support portal has moved

Cumulus Networks is now part of the NVIDIA Networking Business Unit! The NVIDIA Cumulus Global Support Services (GSS) team has merged its operations with the NVIDIA Mellanox support services team.

You can access NVIDIA Cumulus support content from the Mellanox support portal.

You open and update new cases on the Mellanox support portal. Any previous cases that have been closed have been migrated to the Mellanox support portal.

Cases that are still open on the Cumulus portal will continue to be managed on the Cumulus portal. Once these cases close, they will be moved to the Mellanox support portal.

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