Sol Proxy; Sel Option Example - Dell PowerEdge 7250 User Manual

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Figure 3-8. sel Option Example

SOL Proxy

SOL Proxy is a simple telnet server. It allows a telnet client to interact with the hardware-

designated serial port of a remote managed system using the LAN communication channel. See

Figure 3-9. With SOL Proxy, administrators can view and change the BIOS settings over a shared

LAN. In addition, you can also access your managed system's BMC using SOL Proxy using the Red

Hat Linux serial console and Microsoft's EMS/SAC interfaces. SOL Proxy does not support in-

band or serial connection to the managed system's BMC.

When BIOS console redirection to serial port is enabled on the remote managed system, any

application that uses the BIOS to read from or write to the system console will have its I/O

redirected to the designated serial I/O port. When SOL is activated, the BMC firmware reads any

data written to the serial port and transmits it to the SOL Proxy as LAN packets. SOL Proxy then

forwards the data to the telnet client as TCP/IP packets.

Conversely, any keyboard activity at the telnet client is sent to the BMC by SOL Proxy. BMC then

writes the packets to the system serial I/O port.

NOTE:

See "Using Console Redirection" for more information about console redirection, including

hardware and software requirements and instructions for configuring host and client systems to use

console redirection.

BMC Management Utility

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