SMC Networks SMC8150L2 manual Copy tftp public-key

4 Command Line Interface

Table 4-15 SSH Commands (Continued)

Command	Function	Mode	Page
copy tftp public-key	Copies the user’s public key from a TFTP server to the switch	PE	4-64
delete public-key	Deletes the public key for the specified user	PE	4-38
ip ssh crypto host-key	Generates the host key	PE	4-38
generate
ip ssh crypto zeroize	Clear the host key from RAM	PE	4-39
ip ssh save host-key	Saves the host key from RAM to flash memory	PE	4-39
disconnect	Terminates a line connection	PE	4-18
show ip ssh	Displays the status of the SSH server and the configured values	PE	4-40
	for authentication timeout and retries
show ssh	Displays the status of current SSH sessions	PE	4-40
show public-key	Shows the public key for the specified user or for the host	PE	4-41
show users	Shows SSH users, including privilege level and public key type	PE	4-61

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 4-71.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.

2.Provide Host Public Key to Clients – Many SSH client programs automatically import the host public key during the initial connection setup with the switch. Otherwise, you need to manually create a known hosts file on the management station and place the host public key in it. An entry for a public key in the known hosts file would appear similar to the following example:

10.1.0.541024 35 15684995401867669259333946775054617325313674890836547254

15020245593199868544358361651999923329781766065830956 10825913212890233

76546801726272571413428762941301196195566782 59566410486957427888146206

51941746772984865468615717739390164779355942303577413098022737087794545

24083971752646358058176716709574804776117

3.Import Client’s Public Key to the Switch – Use the copy tftp public-keycommand to copy a file containing the public key for all the SSH client’s granted management access to the switch. (Note that these clients must be configured locally on the switch via the User Accounts page as described on page 3-46.)The clients are subsequently authenticated using these keys. The current

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