3Com 4500G Family Configuration Manual page 688

Figure 1-7 Save a key pair on the client 4)
Then, you need to transmit the public key file to the server through FTP or TFTP.
2) Configure the SSH server
# Generate RSA and DSA key pairs and enable SSH server.
<Switch> system-view
[Switch] public-key local create rsa
[Switch] public-key local create dsa
[Switch] ssh server enable
# Configure an IP address for VLAN interface 1. This address will serve as the destination of the SSH
connection.
[Switch] interface vlan-interface 1
[Switch-Vlan-interface1] ip address 192.168.1.40 255.255.255.0
[Switch-Vlan-interface1] quit
# Set the authentication mode for the user interfaces to AAA.
[Switch] user-interface vty 0 4
[Switch-ui-vty0-4] authentication-mode scheme
# Enable the user interfaces to support SSH.
[Switch-ui-vty0-4] protocol inbound ssh
# Set the user command privilege level to 3.
[Switch-ui-vty0-4] user privilege level 3
[Switch-ui-vty0-4] quit
# Import the client's public key from file key.pub and name it Switch001.
[Switch] public-key peer Switch001 import sshkey key.pub
# Specify the authentication type for user client002 as publickey, and assign the public key Switch001
to the user.
[Switch] ssh user client002 service-type stelnet authentication-type publickey assign
publickey Switch001
3) Establish a connection between the SSH client and the SSH server
# Specify the private key file and establish a connection with the SSH server
Launch PuTTY.exe to enter the following interface. In the Host Name (or IP address) text box, enter
the IP address of the server (192.168.1.40).
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