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    [SOLVED] Aliexpress Realtek 8126 Networking card only shows 2.5G Speeds

    The lite modes are proprietary of Realtek and works with half speed using just 2 pairs of the cable. So 1G lite = 500Mb/s 5G lite = 2.5Gb/s I never see a card in 2.5G lite mode ...
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    Poor ConnectX 3 Pro performance

    Well ... Security overhead will be significant if the cpu is very old. sftp is mostly single threaded. Did you verify if the 40gb/s cards are operating in gen3 x8 ( 63Gb/s available ). All less than that will limit at 28Gb/s ( x4 ) or 15Gb/s ( xc2 ). Operating at gen2 is even worse since the...
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    Sodola 5x2.5g web-managed switch bricked after uploading wrong firmware file (8 port version)

    did you try to connect to the recovery ip http://192.168.1.1 ?] It shows the firmwaree flash web interface.
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    Cheap Interesting Chinese 4x2.5g, 2x10G switch, (but also problems with DACs)

    There's no effect if you don't select the port(s).
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    Cheap Interesting Chinese 4x2.5g, 2x10G switch, (but also problems with DACs)

    The interface is very bad designed. Just click in the port number then change flow control and apply. I tested here and works.
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    NICs temperature

    The software ediag can show the temperature of Broadcom/Qlogic based NICs.
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    Broadcom 57810 cards - latest drivers?

    Great explain ... 2 questions: 1 - BCM57810 is gen2 ( I never see any gen3 57810 ) in 10Gbase-t or sfp+ QLE3442 is gen3 Will thuis crossflash activate gen3 in BCM57810 ? 2 - I already used BCM578109 and QLE3442 ( sfp+ ) with great results in 2.5Gb/s with a DFP-34X-3C3 xpon . Using a...
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    Best SFP+ 10 Gbps Card?

    Try Solarflare SFN7122F. It's dual port gen3 x4. If one port is enough x2 must work. Just 5.9W of power consumption.. https://www.ebay.com/itm/125196769193 Another option is based on BCM57840 pcie gen3 x4 but using much more power ( like 10W ). Stable with good support ...
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    Connectx3 and 4 40gig issues on Ubuntu Server?

    Another config to look ... If you insert a nic in a slot with enumerate lower than the nic already installed the name of thje interfaces can change. Example: I have an 10Gb AQC107 NIC that the system enumerate as en50s0f0. If I insert another card in a pcie, tthe AQC107 changes to enp51s0f0 ...
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    Connectx3 and 4 40gig issues on Ubuntu Server?

    Some hints to verify ... The Connectx3 MCX354A-FCBT 40gig VPI must be in ethernet mode, not in infiniband mode. Cards in Infiniband mode doesn't show in ifconfig.You need infiniband-diags ( ibstawt , ibstatus ) qsfp ok ->...
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    Horaco 2.5GbE Managed Switch (8 x 2.5GbE + 1 10Gb SFP+)

    Any change log about the recent versions }?
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    Horaco 2.5GbE Managed Switch (8 x 2.5GbE + 1 10Gb SFP+)

    No. DAC = direct attach cable ( passive ) AOC =[ Active optical cable ( active ) The SFP+ to RJ45 is "Active" but using a copper interface instead of optical. The SFP+ to RJ45 is more like the AOC cable.
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    Mellanox ConnectX3Pro Questions/Issues

    I used mlxconfig to reset the configs after an upgrade in an very old card. Half of the settings are missing.
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    Mellanox ConnectX3Pro Questions/Issues

    Looking at the query: - The card have 2 ports and is a Connectx-3 NON pro. Doesn't have any vpi references in settings and GUIDs are invalid. - even being a connectx-3 non pro, the configs looks missing some keys from the last versions. I sugest you to reset the configs using mlxconfig...
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    Mellanox ConnectX-3 with fiber requires physical transceiver replug to reconnect

    As a workwaround... try using ethtool to force a test in the port. This will disable and re enable the link during the test. ethtool -t /dev/enp40s0f0
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    Cheap 8 * 2.5Gbit Managed Switches

    RTL8373 based L2 switch. Interface is chinese or english. Webdesign is poor but works.
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    ConnectX-3 direct connect to ConnectX3, Type A or Type B Cable?

    I used type B cable with this transceiver. https://www.ebay.com/itm/115505386250 with " 3M MPO Cable 12 Fiber OM3 Type B MPO-MPO Famale Multimode 3mm Fiber Patch Cord " ...
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    New 4x 2.5g NIC With Fan (Realtek RTL8245F)

    I bought one card and is exactly what I guess. 4x RTL8125b and 1 asmedia pcie bridge chip. 33:00.0 PCI bridge: ASMedia Technology Inc. Device 1806 (rev 01) 34:00.0 PCI bridge: ASMedia Technology Inc. Device 1806 (rev 01) 34:02.0 PCI bridge: ASMedia Technology Inc. Device 1806 (rev 01) 34:06.0...
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    Passthrough fail for Mellanox ConnectX3

    Melanox driver doesn't support changing parameters by sysfs. The params must be declared at loading module.