PowerEdge: R940 PCIe Network Interface names in Ubuntu or RHEL differ from other 14G and 15G Servers
Summary: On the PowerEdge R940 server running Ubuntu 20.04 or RHEL 7 and 8 Operating Systems, the Network Interface Controller (NIC) naming has an inconsistency compared to other Dell 14G or 15G PowerEdge servers. ...
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Symptoms
Dell servers running Ubuntu 20.04 or Red Hat Enterprise Linux display inconsistent NIC names when compared to other PowerEdge servers.
The Network Interface Controllers installed in R940's PCIe slots are all named with "enp" prefix.
On Dell R740 and R750 servers, all Network Interface Controllers installed in PCIe slots are named with "ens" prefix.
Cause
The R940 BIOS does not define the PCIe hotplug slot index numbers.
Resolution
Fix:
This issue is fixed in BIOS release 2.21.2.
After the upgrade, the PCIe NIC name will match other Dell 14G and 15G servers.
Affected Products
SUSE Linux Enterprise Server 12, OEMR R940, PowerEdge R940, PowerEdge R940xa, Red Hat Enterprise Linux Version 7, Red Hat Enterprise Linux Version 8, SUSE Linux Enterprise Server 15, Ubuntu Server LTSArticle Properties
Article Number: 000223450
Article Type: Solution
Last Modified: 01 May 2025
Version: 3
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