User guide

166 Brocade 6910 Ethernet Access Switch Configuration Guide
53-1002581-01
Secure Shell
9
Example
Console#show ip telnet
IP Telnet Configuration:
Telnet Status: Enabled
Telnet Service Port: 23
Telnet Max Session: 4
Console#
Secure Shell
This section describes the commands used to configure the SSH server. Note that you also need to
install a SSH client on the management station when using this protocol to configure the switch.
NOTE
The switch supports both SSH Version 1.5 and 2.0 clients.
Configuration Guidelines
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. 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.
TABLE 43 Secure Shell Commands
Command Function Mode
ip ssh authentication-retries Specifies the number of retries allowed by a client GC
ip ssh server Enables the SSH server on the switch GC
ip ssh server-key size Sets the SSH server key size GC
ip ssh timeout Specifies the authentication timeout for the SSH server GC
copy tftp public-key Copies the user’s public key from a TFTP server to the switch PE
delete public-key Deletes the public key for the specified user PE
disconnect Terminates a line connection PE
ip ssh crypto host-key
generate
Generates the host key PE
ip ssh crypto zeroize Clear the host key from RAM PE
ip ssh save host-key Saves the host key from RAM to flash memory PE
show ip ssh Displays the status of the SSH server and the configured values for
authentication timeout and retries
PE
show public-key Shows the public key for the specified user or for the host PE
show ssh Displays the status of current SSH sessions PE
show users Shows SSH users, including privilege level and public key type PE