Execute the following command to view detailed interface and optical module status: ethtool <devname> The output includes interface rate, module rate, link status (Link detected: yes is required for normal module operation), and interface configuration details. This guide introduces how to read optical module information when it is installed on a network card in a Linux system. The working rate, duplex mode, and. The card is detected in the BIOS and also in iDRAC as BRCM GbE 2P 5720-t Adapter Instead, when I boot to linux or windows I can only see the integrated network card Even if I try to execute the command hwinfo --netcard there is no Broadcom card. But I do not see a way to use this card in the gui or in /etc/network/interfaces I do know this card was working on this system about a week ago. NIC does not appear in lspci output, Tried booting previous kernel but device /. This sound like some compatibility issue between the switch and the network card.
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