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Avocent CCM1640, CCM840 Managing User Accounts, Session time-outs, To add a user:

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28CCM840/1640 Installer/User Guide

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If you initiated the device session with a Connect command, enter CLI mode and issue a Disconnect command.

DISCONNECT

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Allow the port to time-out due to inactivity. In this case, a notification message is issued and the serial CLI session returns to CLI mode. This time-out may occur while you are in CLI mode.

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For modem connections, if a carrier drop occurs, the serial CLI session is automatically logged off.

Session time-outs

The CCM monitors data traffic when you are connected to an attached serial device. You may specify a time-out value with the Server CLI command. You may also specify a time-out value for each port with the Port Set command.

When no data is received from the connected user for the configured number of minutes, the connection is terminated.

The following time-out values are used:

•For a Telnet session, the Server CLI time-out value is used.

•For a serial port session, if the port’s conﬁgured time-out value is Ø, the Server CLI time-out value is used, even if it is also Ø.

•For a serial port session, if the port’s conﬁgured time-out value is non-Ø, that value is used.

Managing User Accounts

The CCM user database may store information for up to 64 user accounts.

To add a user:

Issue a User Add command.

USER ADD <username> [PASSWORD=<pwd>] [SSHKEY=<keyﬁle>] [FTPIP=<ftpadd>] [KEY=<sshkey>] [ACCESS=<access>]

You must specify a username. You must also specify a password or SSH user key information, or you may specify both. You may also include an access level or access rights. For more information, see Connecting to devices using SSH and Access rights and levels in this chapter and User Add command in Chapter 5.

Contents

Page Page Page Page Table of Contents Page 1 Product Overview Page Chapter 1: Product Overview Features and Benefits Safety Precautions Rack mount safety considerations Using AVWorks Page Installation and Configuration Page Chapter 2: Installation and Configuration Hardware Overview Installing the CCM Configuring the CCM Configuring the IP address and subnet mask To conﬁgure the IP address and subnet mask using a Telnet CLI: To conﬁgure the CCM using the serial CLI: Initial CCM login Reinitializing the CCM 3 Operations Page Chapter 3: Operations Overview Configuring Serial Port Settings Connecting to Serial Devices Connecting to devices using Telnet Connecting to devices from the serial CLI port Configuring and using dial-inconnections Connecting to devices using PPP Connecting to devices using SSH SSH Authentication Methods Page Enabling plain text Telnet and SSH connections Telnet CLI mode Ending device sessions Session time-outs Managing User Accounts To change a user’s conﬁguration information: To end another user’s CCM session: To delete a user: To display user conﬁguration information: Access rights and levels Using Authentication Modes Authentication summary Using Security Lock-out Managing the Port History Buffer Using port history mode commands Port History Mode Commands To access port history mode: To control the port history buffer display when you connect: To control the port history buffer content when you end a session: To clear and discard all data in a port history buffer: Managing the CCM Using SNMP To add or delete SNMP management entity addresses: To enable or disable SNMP traps: To add or delete SNMP trap destination addresses: To add, copy or delete port alert strings: To display SNMP conﬁguration information: To display port alert string information: 4 Using CCM Commands Page Chapter 4: Using CCM Commands Accessing the CLI Entering Commands When commands take effect Understanding Conventions Command syntax Page Syntax conventions Command Summary CCM Command Summary (Continued) Page Page Page 5 CCM Commands Page Chapter 5: CCM Commands Connect Command Disconnect Command Help Command Port Commands Port Alert Add command Port Alert Copy command Port Alert Delete command Port Break command Port History command Port Logout command Port Set command Page Quit Command Resume Command Server Commands Server CLI command Server FLASH command Server PPP command Server RADIUS command Server Reboot command Server Security command Server Set command Server SNMP command Server SNMP Community command Server SNMP Manager command Server SNMP Trap command Server SNMP Trap Destination command Server SSH command Show Commands Show Port command Page Show Port Alert command Show Server command Show Server CLI command Show Server PPP command Show Server RADIUS command Show Server Security command Show Server SNMP command Show User command SPC Command User Commands User Add command Page User Delete command User Logout command User Set command User Unlock command Page Appendices Page Appendices Appendix A: Technical Specifications Appendix B: Device Cabling Page RJ-45modular adaptors and cables Page Appendix C: Ports Used Appendix D: Technical Support