You might have difficulties understanding the user privileges, but if you want to give full access to a user you have to set the user privilege level to 15. To connect to a VTY, users must present a valid password.”Ĭisco upgrades their devices’ IOS very often. By default if we Enable SSH in Cisco IOS Router it will support both versions. ![]() “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. There are two versions of SSH, where SSH v2 is an improvement from v1 due to security holes that are found in v1. This is how it will look on the running config: R1(config)#enable algorithm-type sha256 secret “***” Now, we will need to enable secret on the global interface: R1(config)#crypto key generate RSA modulus 1024 R1(config)#ip domain-name test and is impossible to convert to clear text.Ģ. ![]() Well, as you can see I haven’t crossed the secret (password). R1(config)# username “test” privilege 15 algorithm-type sha256 secret “cisco123” This makes it suitable when it is appropriate to compare ‘hashed’ versions of texts, as opposed to decrypting the text to obtain the original version.” “A hash is not ‘encryption’ – it cannot be decrypted back to the original text (it is a ‘one-way’ cryptographic function, and is a fixed size for any size of source text). This post will show you how to configure and enable SSH connection between your PC to any Cisco device.
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