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DES-3550 Fast Ethernet Layer 2 Switch
The steps required to use the 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 User Accounts window in the Secuirty Management
folder. This is identical to creating any other admin-level User Account on the Switch, including specifying a
password. This password is used to logon to the Switch, once a secure communication path 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 SSH User Authentication window. There are three choices as to the
method SSH will use to authorize the user, which are Host Based, Password and Public Key.
3. Configure the encryption algorithm that SSH will use to encrypt and decrypt messages sent between the SSH
client and the SSH server, using the SSH Algorithm window.
4. Finally, enable SSH on the Switch using the SSH Configuration window.
After completing the preceeding steps, a SSH Client on a remote PC can be configured to manage the Switch using a
secure, in band connection.
SSH Configuration
The following window is used to configure and view settings for the SSH server and can be opened by clicking Security
Management > Secure Shell (SSH) > SSH Configuration:
Figure 7- 22. Current and New SSH Configuration Settings
To configure the SSH server on the Switch, modify the following parameters and click Apply:
Parameter Description
SSH Server Status
Use the pull-down menu to enable or disable SSH on the Switch. The default is
Disabled.
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