S
YSTEM
M
ANAGEMENT
C
OMMANDS
4-47
The SSH server on this switch supports both password and public key
authentication. If password authentication is specified by the SSH client,
then the password can be authenticated either locally or via a RADIUS or
TACACS+ remote authentication server, as specified by the
authentication login command on page 4-95. If public key
authentication is specified by the client, then you must configure
authentication keys on both the client and the switch as described in the
following section. Note that regardless of whether you use public key or
password authentication, you still have to generate authentication keys on
the switch and enable the SSH server.
To use the SSH server, complete these steps:
1. Generate a Host Key Pair – Use the ip ssh crypto host-key generate
command to create a host public/private key pair.
ip ssh crypto
host-key generate
Generates the host key PE 4-53
ip ssh crypto zeroize Clear the host key from RAM PE 4-54
ip ssh save host-key Saves the host key from RAM to flash
memory
PE 4-54
disconnect Terminates a line connection PE 4-25
show ip ssh Displays the status of the SSH server and
the configured values for authentication
timeout and retries
PE 4-55
show ssh Displays the status of current SSH sessions PE 4-55
show public-key Shows the public key for the specified user
or for the host
PE 4-57
show users Shows SSH users, including privilege level
and public key type
PE 4-84
Table 4-15 SSH Commands (Continued)
Command Function Mode Page
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