Serial Over Lan (SOL)

11.5Supported Usage Model

Customers are expected to use Serial Over LAN to accomplish the following:

BIOS console redirection

As a remote terminal for OS setup and viewing text console output

The ipmitool utility runs on a remote network node and communicates over the LAN interface. The remote node and the target SBC may be on the same subnet or on different subnets.

The reference script can be run on the remote node.

Figure 30. Reference Script Running on Remote Node, Communicating over LAN

 

 

Blade A

 

 

Blade B

`

RMCP Connection (over LAN)

Blade C

Note: The machine or “remote node” running ipmitool may also be an MPCBL0001 SBC within the chassis itself.

11.5.1Configuring the Blade for SOL

In order to configure a blade for SOL, the machine on which the configurator is installed (typically the remote node) needs to establish an RMCP connection with the SBC. The configurator sends commands and configuration settings to the SBC in order to configure and enable SOL operation. In order to configure a blade for SOL, reference_cfg needs to run either on the same blade as the IPMC and communicate via the KCS interface, or on a remote node. In the latter case, the script sends IPMI messages over the LAN to the SBCs shelf manager, which in turn bridges data to the IPMC’s IPMB-0 interface.

The minimal per-blade configuration that must be set up includes the following:

an IP/MAC address, subnet mask, default gateway

ARP configuration

user ID and password to authenticate access

channel, user, payload, and SOL privilege levels

The configuration utility is referring to the reference_cfg script described above.

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Intel MPCBL0001 manual Supported Usage Model, Configuring the Blade for SOL