The range is
0–29
.
What are Vty lines?
The VTY lines are
the Virtual Terminal lines of the router
, used solely to control inbound Telnet connections. They are virtual, in the sense that they are a function of software – there is no hardware associated with them. They appear in the configuration as line vty 0 4.
What is the range of values for Vty lines?
The range is
0–29
.
What is the meaning of line Vty 0 15?
The term “vty” stands for
Virtual teletype
. VTY is a virtual port and used to get Telnet or SSH access to the device. … In fact, we may have connection ports up to 16 (0 – 15).
How many Vty lines does a switch have?
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
.
What does Vty stand for?
(
Virtual TeletYpe
) A command line interface created in a router for a Telnet session. The router is able to generate a VTY dynamically. See virtual terminal.
Why does the switch respond with startup-config is not present?
The switch responds with “startup-config is not present”
because the start up configuration hasn’t been saved yet
. Why is the login command required? The login command is required because it makes it so the user will be prompted with a login request. without it, the user won’t be able to access the router.
What is Telnet and SSH?
Telnet is
the standard TCP/IP protocol for virtual terminal service
. It enables you to establish a connection to a remote system in such a manner that it appears as a local system. SSH or Secure Shell is a program to log into another computer over a network to execute commands in a remote machine.
What is privilege level in Cisco?
“Privilege levels
let you define what commands users can issue after they have logged into a network device
.” Cisco Internetwork Operating System (IOS) currently has 16 privilege levels that range from 0 through 15. Users have access to limited commands at lower privilege levels compared to higher privilege levels.
What is console port?
Console port is
used to connect a computer directly to a router or switch and manage the router or switch
since there is no display device for a router or switch . The console port must be used to initially to install routers onto because there is no network connection initially to connect using SSH, HTTP or HTTPS.
What does line console 0 mean?
The use of “line console 0” command is
to connect a switch/router through medium console
. If there is only one console port, you can only choose “line console 0”. However if you have more than the number goes as 1,2,3,4 … You can set different or same password to all your console ports.
What is the difference between line console and line Vty?
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 does telnet stand for?
Teletype Network Protocol
(Telnet)
Telnet stands for Teletype Network, but it can also be used as a verb; ‘to telnet’ is to establish a connection using the Telnet protocol.
How do I setup a Vty line password?
- Enter global configuration mode of the CISCO router.
- Put the command line vty 0 4 to the router.
- Provide the password by using password command. …
- At last, put the command login.
What does transport input ssh do?
VTYs are logical connections from the network to the router; these are typically telnet, SSH, or rlogin connections. … We then use the transport input command
to define the protocols that are allowed to use this line
; in this case, we are allowing only ssh access.
What are virtual terminal lines?
Virtual terminal lines are
used to allow remote access to the router
. A virtual terminal line is not associated with either the auxiliary or console port. The router has five virtual terminal lines by default.
