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06393916643 steve@192.168.1.19
4. Set the Optional Parameters – Set other optional parameters, including
the authentication timeout, the number of retries, and the server key
size.
5. Enable SSH Service – Use the ip ssh server command to enable the
SSH server on the switch.
6. Authentication – One of the following authentication methods is
employed:
Password Authentication (for SSH v1.5 or V2 Clients)
a. The client sends its password to the server.
b. The switch compares the client's password to those stored in
memory.
c. If a match is found, the connection is allowed.
Note: To use SSH with only password authentication, the host public
key must still be given to the client, either during initial
connection or manually entered into the known host file.
However, you do not need to configure the client’s keys.
Public Key Authentication – When an SSH client attempts to contact the
switch, the SSH server uses the host key pair to negotiate a session key
and encryption method. Only clients that have a private key
corresponding to the public keys stored on the switch can access it. The
following exchanges take place during this process:
Authenticating SSH v1.5 Clients
a. The client sends its RSA public key to the switch.
b. The switch compares the client's public key to those stored in
memory.