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User02830

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User02830

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February 3rd, 2025 20:36

The iDrac can't be reached after selecting shared NIC

Hello,

I changed the NIC Selection Mode of my M620 server (slot 2) from Dedicated to Shared, and now I can't access iDRAC via a web browser.

I don’t have physical access to the servers, and I need help with the following:

A) Is it possible to revert the NIC back to Dedicated remotely, without physical access?

B) If not, how should I configure my switch to regain access to the server’s management IP via the web?

Currently, I can't even ping the server. However, all other servers, I/O modules, and the chassis management IP (iDRAC) are reachable.

Thanks for your help!

  • DELL-Joey C

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    Posted February 4th, 2025 05:06

    Hi,

     

    Answer to B, I don't think you can do configuration to the switch to gain access to the iDRAC Shared LOM. I've tried to check in our test units, though I don't have full admin access to the chassis CMC, I can't be 100% say there isn't a setting that you can configure the M620's iDRAC interface selection. I can only find IP address configuration. So, the only way I can think of, is to try use RACADM on the chassis CMC. Here's the RACADM CLI user guide: https://dell.to/3WKb4o6. 

     

    Can you try racadm getniccfg [-m ] to check if you are able to pull the information of the iDRAC. If yes, try:

     

    racadm -r <CMC_IP> -u <username> -p <password> -m server-1 set iDRAC.NIC.Selection 1 ; in which of the server slot resides, server-N obtained from racadm getmodinfo

    DELL-Joey C

    Social Media and Communities Professional

    Dell Technologies | Enterprise Support Services

    #IWork4Dell

    Did I answer your query? Please click on ‘Mark as Accepted Answer’ if I did. 

  • User02830

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    Posted February 26th, 2025 14:41

    @DELL-Joey C​  thank you for your reply. 


    I run racadm remotely and the output of "racadm <-r with credential> -m server-n getniccfg" 

    Here is the output:

    LOM Model Name            = Intel(R) 10G 2P X520-k bNDC
    LOM Fabric Type           = 10 GbE KR
    IPv4 Enabled              = 1
    DHCP Enabled              = 0
    IP Address                = 10.12.100.1
    Subnet Mask               = 255.255.0.0
    Gateway                   = 10.12.1.254
    IPv6 Enabled              = 0
    Autoconfiguration Enabled = 0
    Link local Address        =
    IPv6 Gateway              = ::
    VLAN Enable               = 0
    VLAN ID                   = 1
    VLAN priority             = 0

    Running "racadm -r <CMC_IP> -u <username> -p <password> -m server-1 set iDRAC.NIC.Selection 1" 

    I get:  Invalid option -m specified