BigIron RX Series Configuration Guide 7153-1001810-01Setting passwords 4Enter the command to disable SNMP management of the device.BigIron RX(config)#no snmp-server enableEnter the command to later re-enable SNMP management of the device.BigIron RX(config)#snmp-server enableSyntax: [no] snmp-server enableSetting passwordsPasswords can be used to secure the following access methods:• Telnet access can be secured by setting a Telnet password. Refer to “Setting a Telnetpassword” on page 71.• Access to the Privileged EXEC and CONFIG levels of the CLI can be secured by settingpasswords for management privilege levels. Refer to “Setting passwords for managementprivilege levels” on page 72.This section also provides procedures for enhancing management privilege levels, recovering froma lost password, and disabling password encryption.NOTEYou also can configure up to 16 user accounts consisting of a user name and password, and assigneach user account a management privilege level. Refer to “Setting up local user accounts” onpage 75.Setting a Telnet passwordBy default, the device does not require a user name or password when you log in to the CLI usingTelnet.To set the password “letmein” for Telnet access to the CLI, enter the following command at theglobal CONFIG level.BigIron RX(config)# enable telnet password letmeinSyntax: [no] enable telnet password Suppressing Telnet connection rejection messagesBy default, if a device denies Telnet management access to the device, the software sends amessage to the denied Telnet client. You can optionally suppress the rejection message. When youenable the option, a denied Telnet client does not receive a message from the device. Instead, thedenied client simply does not gain access.To suppress the connection rejection message sent by the device to a denied Telnet client, enterthe following command at the global CONFIG level of the CLI.BigIron RX(config)# telnet server suppress-reject-messageSyntax: [no] telnet server suppress-reject-message