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activation-character ASCII-number
no activation-character
To set the activation character, use the activation-character line configuration command. This command defines the character you type at a vacant terminal to begin a terminal session. Use the no form of this command to make any character activate a terminal.
| ASCII-number | ASCII decimal representation of the activation character |
To set the line for automatic baud detection, use the autobaud line configuration command. Use the no autobaud command to restore the default.
To configure the router to automatically execute a command or list of commands when a user connects to a particular line, use the autocommand line configuration command.
| command | Any appropriate EXEC command, including the host name and any switches associated with the EXEC command. |
To configure automatic line disconnect, use the autohangup line configuration command. The command causes the EXEC to issue the exit command when the last connection closes.
To display a message on terminals with an interactive EXEC, use the banner exec global configuration command. This command specifies a message to be displayed when an EXEC process is created (line activated, or incoming connection to VTY).
| d | Delimiting character of your choice--a pound sign (#), for example. You cannot use the delimiting character in the banner message. |
| message | Message text. |
To specify a message used when you have an incoming connection to a line from a host on the network, use the banner incoming global configuration command. An incoming connection is one initiated from the network side of the router. The EXEC banner can be suppressed on certain lines using the no exec-banner line configuration command. This line should not display the EXEC or MOTD banners when an EXEC is created.
| d | Delimiting character of your choice--a pound sign (#), for example. You cannot use the delimiting character in the banner message. |
| message | Message text. |
To specify a message-of-the-day (MOTD) banner, use the banner motd global configuration command.
| d | Delimiting character of your choice--a pound sign (#), for example. You cannot use the delimiting character in the banner message. |
| message | Message text. |
busy-message hostname d message d
no busy-message hostname
To create a "host failed" message that displays when a connection fails, use the busy-message global configuration command. Use the no form of this command to disable the "host failed" message from displaying on the specified host.
| hostname | Name of the host that cannot be reached. |
| d | Delimiting character of your choice--a pound sign (#), for example. You cannot use the delimiting character in the message. |
| message | Message text. |
To set the number of data bits per character that are interpreted and generated by software, use the data-character-bits line configuration command.
| 7 | Seven data bits per character |
| 8 | Eight data bits per character |
To set the number of data bits per character that are interpreted and generated by hardware, use the databits line configuration command.
| 5 | Five data bits per character |
| 6 | Six data bits per character |
| 7 | Seven data bits per character |
| 8 | Eight data bits per character |
default-value exec-character-bits {7 | 8}
To define the EXEC character width for either 7 bits or 8 bits, use the default-value exec-character-bits global configuration command.
| 7 | Selects the 7-bit ASCII character set. |
| 8 | Selects the full 8-bit ASCII character set. |
default-value special-character-bits {7 | 8}
To configure the flow control default value from a 7-bit width to an 8-bit width, use the default-value special-character-bits global configuration command.
| 7 | Selects the 7-bit character set. |
| 8 | Selects the full 8-bit character set. |
disconnect-character ASCII-number
no disconnect-character
To define a character to disconnect a session, use the disconnect-character line configuration command. This command defines the character you enter to end a terminal session. Use the no form of this command to remove the disconnect character.
| ASCII-number | ASCII decimal representation of the session disconnect character |
[no] dispatch-character ASCII-number1 [ASCII-number2 . . .
ASCII-number]
To define a character that causes a packet to be sent, use the dispatch-character line configuration command. Use the no form of this command to remove the definition of the specified dispatch character.
| ASCII-number | ASCII decimal representation of the character, such as Return (ASCII decimal 13) for line-at-a-time transmissions. |
dispatch-timeout milliseconds
no dispatch-timeout
To set the character dispatch timer, use the dispatch-timeout line configuration command. Use the no form of this command to remove the timeout definition.
| milliseconds | Integer that specifies the number of milliseconds the router waits after putting the first character into a packet buffer before sending the packet. During this interval, more characters may be added to the packet, which increases the processing efficiency of the remote host. |
To enable enhanced editing mode for a particular line, use the editing line configuration command. To disable the enhanced editing mode, use the no form of this command.
escape-character ASCII-number
no escape-character
To define a system escape character, use the escape-character line configuration command. The no form of this command sets the escape character to Break.
| ASCII-number | Either the ASCII decimal representation of the character or a control sequence (Ctrl-E, for example). |
To allow an EXEC process on a line, use the exec line configuration command. The no exec command turns off the EXEC process for the line specified.
To control whether banners are displayed or suppressed, use the exec-banner line configuration command. This command determines whether or not the router will display the EXEC banner or the message-of-the-day (MOTD) banner when an EXEC is created. The no form of this command suppresses the banner messages.
To configure the character widths of EXEC and configuration command characters, use the exec-character-bits line configuration command.
| 7 | Selects the 7-bit character set. |
| 8 | Selects the full 8-bit character set for use of international and graphical characters in banner messages, prompts, and so forth. |
exec-timeout minutes [seconds]
no exec-timeout
To set the interval that the EXEC command interpreter waits until user input is detected, use the exec-timeout line configuration command. The no form of this command removes the timeout definition. It is the same as entering exec-timeout 0.
| minutes | Integer that specifies the number of minutes. |
| seconds | (Optional) Additional time intervals in seconds. An interval of zero specifies no time-outs. |
[no] flowcontrol {none | software [in | out] | hardware [in | out]}
To set the method of data flow control between the terminal or other serial device and the router, use the flowcontrol line configuration command. To disable flow control, use the no form of this command.
| none | Turns off flow control. |
| software | Sets software flow control. An optional keyword specifies the direction: in causes the router to listen to flow control from the attached device, and out causes the router to send flow control information to the attached device. If you do not specify a direction, both are assumed. |
| hardware | Sets hardware flow control. An optional keyword specifies the direction: in causes the router to listen to flow control from the attached device, and out causes the router to send flow control information to the attached device. If you do not specify a direction, both are assumed. For more information about hardware flow control, see the hardware installation and maintenance manual for your router. |
hold-character ASCII-number
no hold-character
To define the local hold character used to pause output to the terminal screen, use the hold-character line configuration command. The no form of this command restores the default.
| ASCII-number | Either the ASCII decimal representation of the hold character or a control sequence (for example, Ctrl-P). |
To set the terminal screen length, use the length line configuration command.
| screen-length | Number of lines on the screen. A value of zero disables pausing between screens of output. |
line [aux | console | vty] line-number [ending-line-number]
To configure a console port line, auxiliary port line, or virtual terminal lines, use the line global configuration command.
| aux | (Optional) Enables the auxiliary RS-232 DTE port. Must be addressed as relative line 0. The auxiliary port can be used for modem support and asynchronous connections. |
| console | (Optional) Specifies the console terminal line. The console port is DCE. |
| vty | (Optional) Specifies a virtual terminal for remote console access. |
| line-number | Specifies the relative number of the terminal line (or the first line in a contiguous group) you want to configure when the line type is specified. Numbering begins with zero. |
| ending-line-number | (Optional) Specifies the relative number of the last line in a contiguous group you want to configure. If you omit the keyword, then line-number and ending-line-number are absolute rather than relative line numbers. |
To record the location of a serial device, use the location line configuration command. The no form of this command removes the description.
| text | Location description |
To enable the EXEC command lock, use the lockable global configuration command The no lockable command reinstates the default, which does not allow the terminal to be locked.
login [local | tacacs]
no login
To enable password checking at login, use the login line configuration command. Use the no form of this command to disable password checking and allow connections without a password.
| local | (Optional) Selects local password checking. Authentication is based on the username specified with the username global configuration command. |
| tacacs | (Optional) Selects the TACACS-style user ID and password-checking mechanism. |
login-string hostname d message [%secp] [%secw] [%b] d
no login-string hostname
To define a string of characters that the router sends to a host after a successful Telnet connection, use the login-string global configuration command. This command applies only to rlogin and Telnet sessions. The no form of this command removes the login string.
| hostname | Specifies the name of the host. |
| d | Sets a delimiting character of your choice--a pound sign (#) for example. You cannot use the delimiting character in the busy message. |
| message | Specifies the login string. |
| %secp | (Optional) Sets a pause in seconds. To insert pauses into the login string, embed a percent sign (%) followed by the number of seconds to pause and the letter "p." |
| %secw | (Optional) Prevents users from issuing commands or keystrokes during a pause. |
| %b | (Optional) Sends a Break character. |
modem answer-timeout seconds
no modem answer-timeout
To set the amount of time that the router waits for CTS after raising DTR in response to RING, use the modem answer-timeout line configuration command. The no form of this command reverts the router to the default value.
| seconds | Specifies the timeout interval in seconds. |
To support dial-in modems that use DTR to control the off-hook status of the modem, use the modem callin line configuration command. In response to RING, the modem raises the DTR signal, which answers the modem. At the end of the session, the router lowers DTR, which disconnects the modem. The no form of this command disables this feature.
To configure a line for reverse connections, use the modem callout line configuration command. The no form of this command disables this feature.
modem chat-script regular-expression
no modem chat-script
To specify a default modem chat script, use the modem chat-script line configuration command. Use the no form of this command to disable this feature.
| regular-expression | Specifies the set of modem scripts that might be executed. The first script that matches the argument regular-expression will be used. |
To configure a line to require a Clear To Send (CTS) signal, use the modem cts-required line configuration command. Use the no form of this command to disable this feature.
To configure a line to leave DTR low unless the line has an active incoming connection or an EXEC process, use the modem dtr-active line configuration command. The no form of this command disables this feature.
To configure a line for both incoming and outgoing calls, use the modem in-out line configuration command. The no form of this command disables this feature.
To configure a line for a high-speed modem, use the modem ri-is-cd line configuration command. The no form of this command disables this feature.
To enable terminal notification about pending output from other connections, use the notify line configuration command. The no form of this command ends notification.
[no] padding ASCII-number count
To set the padding on a specific output character, use the padding line configuration command. The no padding command removes padding for the specified output character.
| ASCII-number | ASCII decimal representation of the character. |
| count | Number of NULL bytes sent after that character; the maximum is 255. |
parity {none | even | odd | space | mark}
To define generation of a parity bit, use the parity line configuration command.
| none | No parity |
| even | Even parity |
| odd | Odd parity |
| space | Space parity |
| mark | Mark parity |
To specify a password on a line, use the password line configuration command. Use the no password command to remove the password.
| password | Case-sensitive character string that specifies the line password. The string can contain any alphanumeric characters, including spaces, up to 80 characters, except that the first character cannot be a number. You cannot specify the password in the format number-space-anything because the space after the number causes problems. For example, hello 21 is a legal password, but 21 hello is not. |
To save user EXEC command changes between terminal sessions, use the private line configuration command. Use the no form of the command to restore the default condition.
refuse-message d message d
no refuse-message
To define a line-in-use message, use the refuse-message line configuration command. Use the no form of the command to disable the message.
| d | Delimiting character of your choice--a pound sign (#) for example. You cannot use the delimiting character in the message. |
| message | Message text. |
To define a group of lines consisting of one of more virtual terminal lines or one auxiliary port line, use the rotary line configuration command. Use the no form of the command to remove a line or group of lines from a rotary group.
| group | Integer between 1 and 100 that you choose to identify the rotary group. |
To set the terminal baud rate receive (from terminal) speed, use the rxspeed line configuration command.
| bps | Baud rate in bits per second (bps); see the router line speeds in bits per second table in the Router Products Command Reference publication for settings. |
To configure the router to display line number information after the EXEC or incoming banner, use the service linenumber global configuration command. To disable this function, use the no form of the command.
session-limit session-number
no session-limit
To set the maximum number of terminal sessions per line, use the session-limit line configuration command. The no form of the command removes any specified session limit.
| session-number | Maximum number of sessions. |
session-timeout minutes [output]
no session-timeout
To set the interval for closing the connection when there is no input or output traffic, use the session-timeout line configuration command. The no form of this command removes the timeout definition.
| minutes | Time interval in minutes. |
| output | (Optional) Specifies that when traffic is sent to an asynchronous line from the router (within the specified interval), the connection is retained. |
special-character-bits {7 | 8}
To configure the number of data bits per character for special characters such as software flow control characters and escape characters, use the special-character-bits line configuration command.
| 7 | Selects the 7-bit ASCII character set. |
| 8 | Selects the full 8-bit character set for special characters. |
To set the terminal baud rate, use the speed line configuration command. The command sets both the transmit (to terminal) and receive (from terminal) speeds.
| bps | Baud rate in bits per second (bps); see the router line speeds in bits per second table in the Router Products Command Reference publication for settings. |
start-character ASCII-number
no start-character
To set the flow control start character, use the start-character line configuration command. The command defines the character that signals the start of data transmission when software flow control is in effect. The no form of this command removes the character.
| ASCII-number | ASCII decimal representation of the start character |
stop-character ASCII-number
no stop-character
To set the flow control stop character, use the stop-character line configuration command. The no form of this command removes the character.
| ASCII-number | ASCII decimal representation of the stop character |
To set the number of the stop bits transmitted per byte, use the stopbits line configuration command.
| 1 | One stop bit |
| 1.5 | One and one-half stop bits |
| 2 | Two stop bits |
To configure the router to generate a hardware Break signal upon receiving an Interrupt Process (IP) command, use the telnet break-on-ip line configuration command.
To configure a line using Telnet to refuse to negotiate full-duplex, remote echo options on incoming connections, use the telnet refuse-negotiations line configuration command.
telnet speed default-speed maximum-speed
To allow the router to negotiate transmission speed of the line to a connected device, use the telnet speed line configuration command.
| default-speed | Line speed (in bps) that the router will use if the device on the other end of the connection has not specified a speed. |
| maximum-speed | Maximum speed (in bps) that the device on the port will use. |
To configure the router to cause an incoming connection to send a Telnet synchronize signal when it receives a Telnet Break signal, use the telnet sync-on-break line configuration command.
To configure the router to send a carriage return (CR) as a CR followed by a NULL instead of a CR followed by a line feed (LF), use the telnet transparent line configuration command.
terminal-type terminal-name
no terminal-type
Use the terminal-type line configuration command to specify the type of terminal connected to a line. Use the no form of this command to remove any information about the type of terminal and reset the line to the default terminal emulation.
| terminal-name | Terminal name and type |
transport input {mop | telnet | none}
To allow the system administrator to define which protocols to use to connect to a specific line of the router, use the transport input line configuration command.
| mop | Selects the MOP protocol. |
| telnet | Specifies all types of incoming TCP/IP connections. |
| none | Prevents any protocol selection on the line. This makes the port unusable by incoming connections. |
transport output {telnet | none}
To determine the protocols that can be used for outgoing connections from a line, use the transport output line configuration command.
| telnet | Selects the TCP/IP Telnet protocol. It allows a user at one site to establish a TCP connection to a login server at another site. |
| none | Prevents any protocol selection on the line. The system normally assumes that any unrecognized command is a host name. If the protocol is set to none, the system no longer makes that assumption. No connection will be attempted if the command is not recognized. |
transport preferred {telnet | none}
To specify the transport protocol the router uses if the user does not specify one when initiating a connection, use the transport preferred line configuration command.
| telnet | Selects the TCP/IP Telnet protocol. It allows a user at one site to establish a TCP connection to a login server at another site. |
| none | Prevents any protocol selection on the line. The system normally assumes that any unrecognized command is a host name. If the protocol is set to none, the system no longer makes that assumption. No connection will be attempted if the command is not recognized. |
To set the terminal transmit baud rate (to terminal), use the txspeed line configuration command.
| bps | Baud rate in bits per second (bps); see the router line speeds in bits per second table in the Router Products Command Reference publication for settings. |
vacant-message [d message d]
no vacant-message
To display an idle terminal message, use the vacant-message line configuration command. The command enables the banner to be displayed on the screen of an idle terminal. The vacant-message command without any arguments restores the default message. The no vacant-message command removes the default vacant message or any other vacant message that may have been set.
| d | (Optional) A delimiting character of your choice--a pound sign (#), for example. You cannot use the delimiting character in the banner message. |
| message | (Optional) Vacant terminal message. |
To set the terminal screen width, use the width line configuration command. This command sets the number of character columns displayed on the attached terminal.
| characters | Integer that specifies the number of character columns displayed on the terminal. |
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