Cisco Switch Ssh und Telnet

Telnet aktivieren

• Switch#configure terminal
• Switch(config)#aaa new-model
• Switch(config)#username admin password 0 geheim
• Switch(config)#line vty 0 4
• Switch(config-line)#transport input telnet

SSH aktivieren

• Switch(config)#ip domain-name xinux.org
• Switch(config)#hos
• Switch(config)#hostname c3750g
• c3750g(config)#
• c3750g(config)#crypto key generate rsa

The name for the keys will be: c3750g.xinux.org
Choose the size of the key modulus in the range of 360 to 2048 for your
  General Purpose Keys. Choosing a key modulus greater than 512 may take
  a few minutes.

How many bits in the modulus [512]: 
% Generating 512 bit RSA keys, keys will be non-exportable...[OK]

• c3750g(config)#ip ssh time-out 60
• c3750g(config)#ip ssh authentication-retries 2

Abschalten von telnet

• c3750g#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

• c3750g(config)#line vty 0 4
• c3750g(config-line)#transport input ssh