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Document VersionRelease DateDetails21/28/2020Scope updated with the following products which are also impacted by this issue: HPE 10/25GBE 2P SFP28 QL41232 OCP3 Adapter, HPE 10/25GBE 2P SFP28 QL41232 Adapter, HPE 100Gb QSFP28 to 4x25Gb SFP28 3m Direct Attach Copper Cable.17/5/2018Original Document Release.Connection on HPE QLogic FastLinQ 25Gb based network adapters will not link up with SmartAN enabled in NIC HII menu in the "System Utility" when connecting to an HPE 5950 Switch through HPE DAC cables.Link negotiation fails because the HPE 5950 Switch does not support Reed Solomon Forward Error Correction (RS-FEC) and the HPE DAC cables (listed in the Scope section below) are type L and RS-FEC enablement is required if needed to connect via SmartAN.
Any HPE server configured with any of the following HPE QLogic FastLinQ 25Gb based network adapters and conected to an HPE 5950 Switch via any of the following DAC cables:AdaptersHPE StoreFabric CN1300R 10/25Gb Dual Port Converged Network AdapterHPE Ethernet 10/25Gb 2-port 622FLR-SFP28 Converged Network AdapterHPE Ethernet 10/25Gb 2-port 621SFP28 AdapterHPE 10/25GBE 2P SFP28 QL41232 OCP3 AdapterHPE 10/25GBE 2P SFP28 QL41232 AdapterDAC cablesHPE 25Gb SFP28 to SFP28 1m Direct Attach Copper CableHPE 25Gb SFP28 to SFP28 3m Direct Attach Copper CableHPE 25Gb SFP28 to SFP28 5m Direct Attach Copper CableHPE 100Gb QSFP28 to 4x25Gb SFP28 3m Direct Attach Copper Cable
As a workaround since SmartAN mode is enabled by default on HPE QLogic FastLinQ 25Gb based network adapters, disable SmartAN on the adapter and then manually configure FEC on the card to match the configuration on the HPE 5950 Switch.Note: With this configuration environment, the following message may be shown when checking the transceiver information on Switch 5950. This is still a qualified configuration and will be supported by HPE Support.[Example][HPN5950-4slot-B15-28-Brocade-Twenty-FiveGigE1/1/1]display transceiver interface Twenty-FiveGigE1/1/1Twenty-FiveGigE1/1/1 transceiver information:Transceiver Type : 25G_STACK_SFP28Connector Type : COPPERWavelength(nm) : N/ATransfer Distance(m) : 1(STACK)Digital Diagnostic Monitoring : NOVendor Name : FCI ElectronicsInfo: This is not a supported transceiver for this platform. HPE does not guarantee the normal operation or maintenance of unsupported transceivers. Please review the platform datasheet on the HPE web site or contact your HPE sales rep for a list of supported transceivers.RECEIVE PROACTIVE UPDATES: Receive support alerts (such as Customer Advisories), as well as updates on drivers, software, firmware, and customer replaceable components, proactively via e-mail through HPE Subscriber's Choice. Sign up for Subscriber's Choice at the following URL:Proactive Updates Subscription Form.NAVIGATION TIP: For hints on navigating HPE.com to locate the latest drivers, patches, and other support software downloads for HPE systems and Options, refer to theNavigation Tips document.SEARCH TIP: For hints on locating similar documents on HPE.com, refer to theSearch Tips Document.
Operating Systems Affected:Not Applicable
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