H3C Technologies H3C WX3000 Series Unified Switches - Manual (Page 503)

46-31
Figure 47-24 Network diagram of SSH client configuration when using publickey authentication
Switch B
SSH Server
Switch A
SSH Client VLAN-Interface 1
10.165.87.137./24
10.165.87.136./24
VLAN-Interface 1
Configuration procedure
In public key authentication, you can use either RSA or DSA public key. Here takes the DSA public key
as an example.
z
Configure Switch B
# Create a VLAN interface on the device and assign an IP address, which the SSH client will use as the
destination for SSH connection.
system-view
[device] interface vlan-interface 1
[device-Vlan-interface1] ip address 10.165.87.136 255.255.255.0
[device-Vlan-interface1] quit
# Generate RSA and DSA key pairs.
[device] public-key local create rsa
[device] public-key local create dsa
# Set the authentication mode for the user interfaces to AAA.
[device] user-interface vty 0 4
[device-ui-vty0-4] authentication-mode scheme
# Enable the user interfaces to support SSH.
[device-ui-vty0-4] protocol inbound ssh
# Set the user command privilege level to 3.
[device-ui-vty0-4] user privilege level 3
[device-ui-vty0-4] quit
# Specify the authentication type of user client001 as publickey.
[device] ssh user client001 authentication-type publickey
Before doing the following steps, you must first generate a DSA public key pair on the client and save
the key pair in a file named Switch001, and then upload the file to the SSH server through FTP or TFTP.
For details, refer to “Configure Switch A”.
# Import the client public key pair named Switch001 from the file Switch001.
[device] public-key peer Switch001 import sshkey Switch001