Installation manual

3-87
SIGNAMAX LLC • www.signamax.eu
• SSH Authentication Retries – Specifies the number of authentication attempts that a
client is allowed before authentication fails and the client has to restart the authentication
process. (Range: 1-5 times; Default: 3)
• SSH Server-Key Size – Specifies the SSH server key size.
(Range: 512-896 bits; Default:768)
- The server key is a private key that is never shared outside the switch.
- The host key is shared with the SSH client, and is fixed at 1024 bits.
Web – Click Security, SSH, Settings. Enable SSH and adjust the authentication
parameters as required, then click Apply. Note that you must first generate the host key
pair on the SSH Host-Key Settings page before you can enable the SSH server.
Figure 3-50 SSH Server Settings
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.
Console(config)#ip ssh server 4-127
Console(config)#ip ssh timeout 100 4-128
Console(config)#ip ssh authentication-retries 5 4-129
Console(config)#ip ssh server-key size 512 4-129
Console(config)#end
Console#show ip ssh 4-132
SSH Enabled - version 2.0
Negotiation timeout: 120 secs; Authentication retries: 5
Server key size: 512 bits
Console#show ssh 4-133
Connection Version State Username Encryption
0 2.0 Session-Started admin ctos aes128-cbc-hmac-md5
stoc aes128-cbc-hmac-md5
Console#disconnect 0 4-50
Console#