OS to iDRAC Pass through using iDRAC7

OS to iDRAC Pass through using iDRAC7


This Wiki is written by Charu Panigrahi and Sunil Khannade from Dell iDRAC team


Overview:

OS to iDRAC Pass Through is new feature being provided from iDRAC 1.30.30 release onward, which enables you to access iDRAC from host OS using high speed network channel. You can access iDRAC from the host operating system even if iDRAC and host are in different Network. No separate system is required to configure/access iDRAC functionality.

OS to iDRAC Pass Through will work on shared LOM (rack and tower servers) and dedicated NIC (rack, tower and blade servers).

Once the OS to iDRAC Pass Through channel is enabled, the end users can access the iDRAC using iDRAC IP from the Host OS.

To use this feature you need to make sure:
  1. At least one LOM port of NDC/LOM should be connected to the switch.
  2. The Connected NDC/LOM should be Pass Through capable. (We can verify this by running Racadm command: "Racadm get idrac.os-bmc.PTCapability")


Configuration:

You need to do following minimal configuration in order to use this OS to iDRAC pass through feature. Any user with iDRAC configure Privilege will be able to configure this feature. Minimum iDRAC license require to use this feature is Express.
  1. Enable OS to iDRAC Pass-Through
  2. Specify OS IP Address, if iDRAC network is configured for dedicated mode
Note: If more than one LOM is active, enter the first LOM’s IP address.

The above configuration can be done through iDRAC GUI, Racadm, WSMAN or iDRAC Settings Utility.


Configuring OS to iDRAC Pass-through using RACADM

Run below Racadm commands to configure OS to iDRAC Pass-Through.
  1. racadm set idrac.os-bmc.AdminState Enabled
  2. racadm set idrac.os-bmc.OSIpAddress <Host OS IP address>
Note: Step 2 is only required when iDRAC network is in Dedicated Mode.

Configuring OS to iDRAC Pass-through using RACADM
Figure 1: Configuring OS to iDRAC Pass-through using RACADM


Configuring OS to iDRAC Pass-through using iDRAC GUI

Login to iDRAC GUI and navigate to the Overview->Network->OS to iDRAC Pass Through page. Select Admin State radio button and assign OS IP Address as <System Host IP Address>. Now Click on Apply Button.

Configuring OS to iDRAC Pass-through using iDRAC GUI
Figure 2: Configuring OS to iDRAC Pass-through using iDRAC GUI
Note: OS IP address field will be enabled only when iDRAC network is in Dedicated Mode.


Configuring OS to iDRAC Pass-through using iDRAC Settings Utility

Reboot the system and press F2 for entering into system bios. Select iDRAC Settings -> OS to iDRAC Pass Through. Select Admin State radio button and assign OS IP Address as <System Host IP Address>. Now Click on Back Button and follow the steps provided.

 Configuring OS to iDRAC Pass-through using iDRAC Settings Utility
Figure 3: Configuring OS to iDRAC Pass-through using iDRAC Settings Utility
Note: OS IP address field will be enabled only when iDRAC network is in Dedicated Mode.


Configuring OS to iDRAC Pass-through using WSMAN

Run below commands by changing the iDRAC IP, Username and password and provide Host OS IP:
  1. Winrm i ApplyAttributes http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/root/dcim/DCIM_iDRACCardService?SystemCreationClassName=DCIM_ComputerSystem+CreationClassName=DCIM_iDRACCardService+SystemName=DCIM:ComputerSystem+Name=DCIM:iDRACCardService -u:<username> -p:<password> -r:https://<iDRAC IP>/wsman -SkipCNcheck -SkipCAcheck -encoding:utf-8 -a:basic @{Target="iDRAC.Embedded.1";AttributeName="OS-BMC.1#AdminState";AttributeValue="Enabled"}
  2. winrm i ApplyAttributes http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/root/dcim/DCIM_iDRACCardService?SystemCreationClassName=DCIM_ComputerSystem+CreationClassName=DCIM_iDRACCardService+SystemName=DCIM:ComputerSystem+Name=DCIM:iDRACCardService -u:<username> -p:<password> -r:https://<iDRAC IP>/wsman -SkipCNcheck -SkipCAcheck -encoding:utf-8 -a:basic @{Target="iDRAC.Embedded.1";AttributeName="OS-BMC.1#OSIpAddress";AttributeValue="<Host OS IP>"}
Note: Step 2 is only required when iDRAC network is in Dedicated Mode.


Accessing iDRAC from Host OS:

After completion of above configuration, Login into Host operating system and iDRAC can be accessible from host OS using iDRAC GUI, Remote RACADM or WSMAN.


Article ID: SLN311058

Last Date Modified: 08/10/2018 03:04 PM


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