vaheeD khoshnouD

Hostname

configure terminal
hostname SW1
end

Enable secret password

configure terminal
enable secret 123456
end

Telnet password

configure terminal 
line vty 0 4
password 123456
login
line vty 5 15
password 123456
login
end

Console password

configure terminal 
line console 0
password 123456
login
end

Encrypt all passwords

configure terminal 
service password-encryption 
end

Disable console EXEC timeout

configure terminal 
line console 0
exec-timeout 0 0
end

Disable console logging

configure terminal 
no logging console
end

“%Error opening tftp://255.255.255.255/network-confg (Timed out)” Error Message Prevention

configure terminal
no service config
end

Prevent “Translating…. domain server (255.255.255.255)” Messages after an Invalid Command

• First method: Disabling automatic connection with a hostname in command line

  configure terminal 
  line  console 0
  transport preferred none
  line vty 0 4
  transport preferred none
  line vty 5 15
  transport preferred none
  end
  

• Second method: Disabling ip domian lookup

  configure terminal 
  no ip domain-lookup 
  end
  

Keyboard shotcuts

• [Ctrl-A] : Moves to the start of a line
• [Ctrl-E] : Moves to the end of a line
• [Ctrl-D] : Deletes the character at the cursor
• [Ctrl-K] : Deletes all characters from the cursor to the end of the line
• [Ctrl-U] : Deletes all characters from the cursor to the beginning of the line
• [Ctrl-W] : Deletes the word to the left of the cursor