What is the meaning for line Vty 0 4?
VTY is solely used for inbound connections to the device. These connections are all virtual with no hardware associated with them. Related Blog – VTY Password. The abstract “0 – 4” means that the device can allow 5 simultaneous virtual connections which may be Telnet or SSH.
What is the difference between Vty 0 4 and Vty 5 15?
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 is a Vty?
Virtual teletype (VTY) is a command line interface (CLI) created in a router and used to facilitate a connection to the daemon via Telnet, a network protocol used in local area networks.
What is the meaning of Vty 0 15?
Lines 0 15 is vty lines 0, 1, 2 ,3 ,4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 and 15. for example if you were type in global configuration mode, line vty 0 15 you will enter configuration for lines 0-15. I hope this answers your question.
What is exec timeout Cisco?
Cisco exec-timeout Command The Cisco ‘exec-timeout’ command sets a specific time to disconnect idle EXEC sessions. The default value for the EXEC timeout is 10 minutes. We can also specify a certain time by indicating how many minutes and seconds the idle EXEC session would run before it will timeout.
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 Cisco SDM?
What is Cisco SDM? SDM (Security Device Manager) is a web-based device management tool for Cisco IOS routers. It includes several functions that point to ease of management, standard interfaces, interoperability, and security.
How many Vty lines are on a router?
5 vty lines
By default all routers have 5 vty lines (factory defaults). Unless you configure the remaining available lines, there is no need for them to be protected.
What does transport input ssh do?
We can use the Cisco ‘transport input’ command to set which protocols are allowed to access the virtual terminal lines. We can choose from the following transport input command keywords to set the allowed protocols on the virtual terminal lines: ssh – allows TCP/IP SSH protocol only.
What does interface VLAN 1 mean?
VLAN 1 contains control plane traffic and can contain user traffic. It is recommended that user traffic be configured on VLANs other than VLAN 1, primarily to prevent unnecessary user broadcast and multicast traffic from being processed by the Network Management Processor (NMP) of the supervisor.
What is the difference between session timeout and exec timeout?
Hi! exec timeout command is used to specify the timeout for exec sessions [telnet/ssh] whereas session timeout command specifies the idle timeout period for all the sessions. The default exec timeout period is 10 mins. Hope it helps.
Does the router timer work in minutes?
By default, the router will terminate an EXEC session after 10 minutes of inactivity.