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Why won my Xircom Realport-REM56G-100BTX Notebook NIC operate properly with my ProCurve Networking switch in full duplex mode at 100Mbps?

April 26, 2017DUPLEX networking NIC notebook operate procurve properly realport-rem56g-100btx Switch xircom

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Why won my Xircom Realport-REM56G-100BTX Notebook NIC operate properly with my ProCurve Networking switch in full duplex mode at 100Mbps?

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HP knows that this Xircom NIC, at full duplex over 100Mbps, does not operate with our ProCurve Networking switches. HP has no reports of any other vendors’ NIC having a similar issue with our ProCurve switches. While this NIC’s data sheet states support of full duplex, HP has not been able to get this NIC to operate at full duplex over a 100Mbps connection, regardless whether it is configured to Auto-negotiate or full duplex, fixed configuration. We are not aware of any fixes for this issue. Failure symptoms include poor performance and lost connections. See the discussion of “Q: Is 10/100Mbps auto-negotiation the same as Plug-n-Play?” on this same page for more details on the problem symptoms. The workaround is to operate the NIC in half-duplex mode or to use a different NIC.