To enable SSH on Dell Networking N-series (formerly known as Dell PowerConnect), you first have to generate the required private RSA and DSA keys. If you don't, you're met with a very secretive error message:
SSH could not be enabled.
To generate the keys, and configure and enable SSH, log on to the switch using the console cable or log on through Telnet:
Go into EXEC mode, then in CONFIG mode:
Generate both the RSA and DSA keys:
crypto key generate rsacrypto key generate dsa
Now, you can enable the SSH server:
ip ssh server
Optionally: you can also change the default listen port:
ip ssh port 22
With more recent firmware versions, you are no longer able to ...