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NIC detection issue in CentOS 8
I've some servers having CentOS 7 installed. When I try to do a fresh installation of CentOS 8 stream (latest iso file), only 4 NICs getting detected. Actually, the server has 6 NICs. How can I identify and resolve this issue?
I can see 6 NICs now (from already installed CentOS 7). NIC eno1 and eno2 are showing along with other 4. Here is the screenshot- https://i.stack.imgur.com/P29uz.png When I try to install CentOS8 (fresh installation using iso) in the same machine, it shows only 4 NICs. eno1 and eno2 are not showing. Here is the screenshot - https://i.stack.imgur.com/SlyX4.png **Note that the servers are in remote place and I'm using ILO to install OS |
Are the motherboard NICs different in some way? Like 10Gb interfaces that need specific drivers?
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[shoeb@localhost ~]$ lspci |grep -i ethernet 04:00.0 Ethernet controller: Emulex Corporation OneConnect 10Gb NIC (be3) (rev 01) 04:00.1 Ethernet controller: Emulex Corporation OneConnect 10Gb NIC (be3) (rev 01) 21:00.0 Ethernet controller: Intel Corporation I350 Gigabit Backplane Connection (rev 01) 21:00.1 Ethernet controller: Intel Corporation I350 Gigabit Backplane Connection (rev 01) 21:00.2 Ethernet controller: Intel Corporation I350 Gigabit Backplane Connection (rev 01) 21:00.3 Ethernet controller: Intel Corporation I350 Gigabit Backplane Connection (rev 01) [shoeb@localhost ~]$ So, it is seen that these two 10Gb NICs driver is available in CentOS7 but not available in CentoS8 stream. Any way forward to the soltuion? |
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So looks like your favourite search engine is going to have to be your friend if you want to use them. |
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You'll need to do a bit more research. |
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Personally I'm not even looking at CentOS 8 as their support for it is now severely crippled with their involvement with RedHat. |
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If CentOS 8 Stream doesn't work, but CentOS 7 does work, you should probably defer the upgrade and stick to 7 - it is actually supported for longer. If you really do need to upgrade, investigate the CentOS alternatives instead - for example AlmaLinux has committed to support "until 2029" - presumably the original v8 EOL of 31 Dec 2029) In summary: * CentOS 8 maintenance ends in ~4 months - 31st December 2021. * CentOS 8 Stream maintenance ends in ~2 years 9 months - 31th May 2024. * CentOS 7 maintenance ends in ~2 years 10 months - 30th June 2024. * AlmaLinux 8 maintenance ends in ~8 years. |
Try package kmod-be2net from ELRepo.
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Emulex Corporation OneConnect 10Gb NIC on RHEL 8
the solution was provided by shruggy !! thank you.
Recap: EL8x, RHEL 8x, AlmaLinux 8.7 "Emulex Corporation OneConnect 10Gb NIC (be3)" no driver. The package kmod-be2net from ELRepo solved the issue Emulex Corporation OneConnect 10Gb NIC (be3) that I have on IBM/Lenovo System x3650 M4, 7915. % modprobe -r be2net % modprobe be2net Found 2 10GB interface but one interface is named enp12s0f1 and the second is named eno6 and I am not sure why ! mostly solved anyways. |
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