SMC Networks SMC8612XL3 F 1.0.1.3 , S, 3-56, Configuring Port Security

C ONFIGURING THE S WITCH
3-56
CLI – This example enables SSH, sets the authentication parameters, and
displays the current configuration. It shows that the administrator has
made a connection via SHH, and then disables this connection.
Configuring Port Security
Port security is a feature that allows you to configure a switch port with
one or more device MAC addresses that are authorized to access the
network through that port.
When port security is enabled on a port, the switch stops learning new
MAC addresses on the specified port. Only incoming traffic with source
addresses already stored in the dynamic or static address table will be
accepted as authorized to access the network through that port. If a device
with an unauthorized MAC address attempts to use the switch port, the
Console(config)#ip ssh server3-48
Console(config)#ip ssh timeout 1203-49
Console(config)#ip ssh authentication-retries 33-50
Console(config)#ip ssh server-key size 7683-51
Console(config)#end
Console#show ip ssh3-54
SSH Enabled - version 2.0
Negotiation timeout: 120 secs; Authentication retries: 3
Server key size: 768 bits
Console#show ssh3-55
Information of secure shell
Session Username Version Encrypt method Negotiation state
------- -------- ------- -------------- -----------------
0 admin 2.0 cipher-3des session-started
Console#disconnect 03-25
Console#