Users Guide

Using Telnet Console With CMC

You can have up to four Telnet sessions with CMC at a time.

If your management station is running Windows XP or Windows 2003, you may experience an issue with the characters

in a CMC Telnet session. This issue may occur as a frozen login where the return key does not respond and the

password prompt does not appear.

To fix this issue, download hotfix 824810 from the Microsoft Support website at support.microsoft.com. See Microsoft

Knowledge Base article 824810 for more information.

Using SSH With CMC

SSH is a command line session that includes the same capabilities as a Telnet session, but with session negotiation and

encryption to improve security. The CMC supports SSH version 2 with password authentication. SSH is enabled on the

CMC by default.

NOTE: The CMC does not support SSH version 1.

When an error occurs during the CMC login, the SSH client issues an error message. The message text is dependent on

the client and is not controlled by the CMC. Review the RACLog messages to determine the cause of the failure.

NOTE: OpenSSH must be run from a VT100 or ANSI terminal emulator on Windows. You can also run OpenSSH

using Putty.exe. Running OpenSSH at the Windows command prompt does not provide full functionality (that is,

some keys do not respond and no graphics are displayed). For Linux, run SSH Client Services to connect to CMC

with any shell.

Four simultaneous SSH sessions are supported at a time. The session timeout is controlled by the

cfgSsnMgtSshIdleTimeout property. For more information, see the database property chapter of the

RACADM

Command Line Reference Guide for iDRAC7 and CMC

, the Services Management page in the Web interface, or see

Configuring Services

CMC also supports Public Key Authentication (PKA) over SSH. This authentication method improves SSH scripting

automation by removing the need to embed or prompt for user ID/password. For more information, see Configure Public

Key Authentication over SSH .

SSH is enabled by default. If SSH is disabled, then you can enable it using any other supported interface.

To configure SSH, see Configuring Services.