9. Telnet & SSH Configuration - metrafonic/Cisco-Cheatsheet GitHub Wiki

Adding telnet access

Configure an admin user and password with level 15 access:

(config)# username admin priv 15 secret cisco

Enable telnet access for a variable number of sessions:

(config)# line vty 0 [number of sessions]
(config-line)# login local
(config-line)# end

Enable SSH

Set a domain name:

ip domain-name [domain.no]

Generate keys:

R1(config)# crypto key gen rsa

Set time if time sync error appears:

#clock set 13:00:00 2 JUL 2015

Update ssh version:

(config)# ip ssh version 2

Connect from client.