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xStack DGS-3600 Series Layer 3 Gigabit Ethernet Managed Switch CLI Manual
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SSH COMMANDS
The steps required to use the Secure Shell (SSH) protocol for secure communication between a remote PC (the SSH Client) and the
Switch (the SSH Server), are as follows:
1. Create a user account with admin-level access using the create account admin <username> <password> command.
This is identical to creating any other admin-lever user account on the Switch, including specifying a password. This
password is used to login to the Switch, once secure communication has been established using the SSH protocol.
2. Configure the user account to use a specified authorization method to identify users that are allowed to establish SSH
connections with the Switch using the config ssh user command. There are three choices as to the method SSH will use
to authorize the user, and they are password, publickey and hostbased.
3. Configure the encryption algorithm that SSH will use to encrypt and decrypt messages sent between the SSH Client and
the SSH Server.
4. Finally, enable SSH on the Switch using the enable ssh command.
After following the above steps, you can configure an SSH Client on the remote PC and manage the Switch using secure, in-band
communication.
The Secure Shell (SSH) commands in the Command Line Interface (CLI) are listed (along with the appropriate parameters) in the
following table.
Command Parameters
enable ssh
disable ssh
config ssh authmode [password | publickey | hostbased] [enable | disable]
show ssh authmode
config ssh server {maxsession <int 1-8> | contimeout <sec 120-600> | authfail <int
2-20> | rekey [10min | 30min | 60min | never]
show ssh server
config ssh user <username> authmode [hostbased [hostname <domain_name> |
hostname_IP <domain_name> <ipaddr>] | password | publickey]
show ssh user authmode
config ssh algorithm [3DES | AES128 | AES192 | AES256 | arcfour | blowfish | cast128
| twofish128 | twofish192 | twofish256 | MD5 | SHA1 | RSA | DSA]
[enable | disable]
show ssh algorithm
Each command is listed, in detail, in the following sections.
enable ssh
Purpose Used to enable SSH.
Syntax
enable ssh
Description This command allows users to enable SSH on the Switch.
Parameters None.
Restrictions Only administrator-level users can issue this command.
Usage example:
To enable SSH: