Trouble entering commands or receiving double prompts

Use this procedure to troubleshoot problems entering command or receiving double prompts within a Serial over LAN session.

Problem

Within a Serial over LAN session, you have trouble entering commands or you are receiving double prompts.

Investigation

Perform these steps to resolve the problem:
  1. Check the Return key settings for the keyboard in your terminal program. Make sure that only a line feed character is sent whenever the Return key is pressed.
    • This is the default for Telnet sessions.
    • The terminal application PuTTY has a configuration setting for the Return key. From the Configuration menu, click ConnectionTelnet.
  2. The service processor on older blade servers might block SOL output to a blade server running Linux. If this occurs, type Ctrl-q in the Serial over LAN session to clear the keystroke buffer.
  3. Verify that the operating system running on the blade server supports Serial over LAN. For more information see the IBM BladeCenter Serial over LAN Setup Guide.
  4. Make sure that the operating system running on the blade server has been set up correctly for Serial over LAN console access. For more information see the IBM BladeCenter Serial over LAN Setup Guide.