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Avocent CCM1640, CCM840 Using Security Lock-out, To display authentication conﬁguration information:

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Chapter 3: Operations	33

You must specify the server’s IP address, the UDP port to be used and a

“secret” to be used. You must also specify a user-rights attribute value that matches a value in the RADIUS server’s dictionary.

You may also use this command to delete a RADIUS server deﬁnition.

SERVER RADIUS PRIMARYSECONDARY DELETE

For more information, see Server RADIUS command in Chapter 5.

2.Issue a Server Security command, using the Authentication parameter to specify the authentication mode. Use the Encrypt parameter to enable plain text Telnet connections, SSH connections or both.

SERVER SECURITY AUTHENTICATION=<auth_mode> ENCRYPT=<conns>

3.You are prompted to save the information. Enter Y to conﬁrm or N to cancel.

To display authentication conﬁguration information:

1.Issue a Show Server Security command.

SHOW SERVER SECURITY

The display includes the current CCM authentication settings that were conﬁgured with the Server Security command. If SSH access has been enabled, the display indicates SSH2. Regardless of whether SSH is enabled, the display includes the authentication method speciﬁed with the Server SSH command.

2.To display CCM RADIUS settings that were conﬁgured with the Server RADIUS command, issue a Show Server RADIUS command.

SHOW SERVER RADIUS

For more information, see Server Security command, Show Server Security command and Show Server RADIUS command in Chapter 5, plus Connecting to devices using SSH and Enabling plain text Telnet and SSH connections in this chapter.

Using Security Lock-out

When the Security Lock-out feature is enabled, a user will be locked-out after five consecutive authentication failures. A successful authentication will reset the counter to zero. You may configure a lock-out period of from 1-99 hours. Specifying a lock-out period of Ø disables the feature; that is, users will not be locked-out.

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