console 0 is the physical console port on the switch/router you plug into. line vty is when you remote into the switch/router via telnet or ssh. the config-line is letting you know you are currently in configuration mode for that specific line.

What is Cisco console line?

The Cisco IOS command-line interface (CLI) is the primary user interface used for configuring, monitoring, and maintaining Cisco devices. This user interface allows you to directly and simply execute Cisco IOS commands, whether using a router console or terminal, or using remote access methods.

What does line console command do?

The line command can configure: The router’s console port (CTY) The router’s asynchronous ports (TTYs), used for dial-in and dial-out modem connections. The router’s auxiliary port (AUX), used for backup modem connections.

What does line Vty 0 mean?

The term “vty” stands for Virtual teletype. VTY is a virtual port and used to get Telnet or SSH access to the device. The abstract “0 – 4” means that the device can allow 5 simultaneous virtual connections which may be Telnet or SSH. …

What is line Vty in Cisco?

The virtual terminal or “VTY” lines are virtual lines that allow connecting to the device using telnet or Secure Shell (SSH). Cisco devices can have up to 16 VTY lines. … These lines can be used to connect terminals or models to the device.

What is a console port?

The console port is used to connect a computer directly to a Gigabit Ethernet switch and manage the switch since there is no display device for the switch. In most cases, it is the very first step to configure your network switch. Here are the detailed steps of logging in to a network switch via the console port.

What is the purpose for command exec timeout 0 0?

As shown in the example, you can configure a simple password. The example also show the exec-timeout 0 0 command. This means that on the console port will never timeout. The default for this command is exec-timeout 10 0 which means that the console line will logoff when inactivity at this line reaches 10 minutes.

How do I clear a Vty session on a Cisco router?

1. To clear the line based on the absolute number: host1#clear line 2.
2. To clear the line based on the relative number: host1#clear line console 0.

What does the command line Vty 0 1 mean?

What does the command line vty 0 1 mean? The “0 1” represents the number of vty lines to which the following configu- ration parameters will be applied. The two virtual terminal connections are identified as 0, 1.

What is line console and line Vty?

March 2017. console 0 is the physical console port on the switch/router you plug into. line vty is when you remote into the switch/router via telnet or ssh. the config-line is letting you know you are currently in configuration mode for that specific line.

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What is line config?

Line configuration refers to the way two or more communication devices attached to a link. Line configuration is also referred to as connection. … For communication to occur, two devices must be connected in same way to the same link at the same time.

What is line configuration mode?

The Line Configuration Mode is used to manage the terminal line characteristics for output formatting.

What is no IP domain lookup command?

The no ip domain lookup tells the router to stop interacting with any DNS servers entirely. Having a DNS server configured is then a useless thing because it is not going to be used, anyway.

What is the meaning of line Vty 5 15?

‎03-05-2006 03:17 PM. VTY lines are usually used for creating out-of-band management sessions to devices. If a password is not supplied on a vty line, that line cannot be used for managing the device. In some cases administrators may decide to let junior staff to use lines 0 – 4 and senior staff to use lines 5 – 15.

What does the command routerA config )# line cons 0 allow you to perform next?

What does the command routerA(config)#line cons 0 allow you to perform next? Set the Telnet password.

How many Vty lines does a router have?

Most routers have five VTY ports, numbered 0 to 4. That means you can have up to five concurrent network admins configuring the router at one time.

What is no exec Cisco?

When you want to allow an outgoing connection only for a line (no incoming) use the no exec command. When a user tries to Telnet to a line with the no exec command configured, the user will get no response when pressing the Return key at the login screen.

How do I enable IPv6 routing?

Enable IPv6 routing on a Cisco router using the ipv6 unicast-routing global configuration command. This command globally enables IPv6 and must be the first command executed on the router. Configure the IPv6 global unicast address on an interface using the ipv6 address address/prefix-length [eui-64] command.

What is exec timeout in Cisco?

By default, an IOS device will disconnect a console or VTY user after 10 minutes of inactivity. You can specify a different inactivity timer using the exec-timeout MINUTES SECONDS line mode command.

Is Cisco console cable straight through?

Cisco products use the following types of RJ-45 cables: Straight-through. Crossover.

What is the Help command in Cisco IOS?

The Cisco IOS® command-line interface (CLI) offers context-sensitive help, a useful tool if you are a new user because at any time during an EXEC session, you can type a question mark (?) to get help.

What is login local in Cisco?

Login Local means you need a username and a password to get to the console session.

What is logging synchronous Cisco?

The logging synchronous command is used to synchronize unsolicited messages and debug output with solicited Cisco IOS Software output. When the syslog logging stops working, disabling the logging synchronous command on the console line may cause logging to resume.

How do I clear the console on my Cisco router?

1. SecureCRT. I wished there was a way to clear the CLI screen, but this is handled by the terminal application. …
2. Putty. If using Putty you can right click on the toolbar and select Reset Terminal, this will clear the whole screen until you hit enter and your cli prompt will come back.
3. Tera Term.

How do I set session timeout on Cisco router?

Setting the session timeout parameter in a cisco router or switch is an easy task that will make your day to day work easy. router(config-line)#session-timeout 10 —- 10 is the amount of minutes we want to configure before timeout.

How do I delete a Cisco user?

1. Telent or SSH to the local ip address of your Cisco router and login with your admin username and password.
2. Type “config t” to put you in config mode.
3. Type “no username test” (basically if you wanted to remove the username) and hit enter.
4. Type “exit” (this will get you out of config mode.

How do I log into a Cisco switch from the console?

Step 1 Locate the console port on the back of the Router/Switch. Step 2 Connect the console (or rollover) cable to the console port on the Router/Switch. Step 3 Use the correct adapter to connect the other end of the cable to your terminal or PC.

What does transport input SSH do?

SSH or Secure Shell encrypts the data that is sent from the terminal application to the device. … This command is entered under (config-line)# prompt which is transport input telnet ssh. If you only want ssh connections then type the following in transport input ssh.

What are the two 2 types of line configuration?

• Point to Point connection.
• Multipoint connection.

How do I access config line mode?

To enter global configuration mode, enter the configure command. Global configuration From privileged EXEC mode, enter the configure command. To exit to privileged EXEC mode, enter the exit or end command, or press Ctrl-Z. To enter interface configuration mode, enter the interface configuration command.

Why would a technician enter the command?

Why would a technician enter the command copy startup-config running-config? Usually, changes are made to a running configuration in RAM and copied to NVRAM. However, in this case, the technician wants to copy a previously saved configuration from NVRAM into RAM in order to make changes to it.