How to Configure the DX4020 for Encrypted Network Communications

Enabling encryption on the DX4020 module.

Solution

Telnet into the DX4020 using the IP Address ported to port 9999. (Ex: Telnet xxx.xxx.xxx.xxxx 9999, where xxx.xxx.xxx.xxxx is the IP address of the DX4020 .). 

Follow the procedure below:

• Press Enter to go into setup mode appears, Press the Enter key.
• Select 6- Security from the main menu and follow the next steps:
• At Disable SNMP (N) N press [ENTER].

• At SNMP Community Name ( 😞 press [ENTER].
• At Disable Telnet Setup (N) N press [ENTER].
• At Disable Port 77FEh (N) N press [ENTER].
• At Disable Web Server (N) N press [ENTER].
• At Disable ECHO ports (Y) Y press [ENTER].
• At Enable Encryption (N) press [Y].
• At Key length in bits (0), type 128 and press [ENTER].
• Change keys (N) press ‘Y’ to change it.
• Enter keys the bytes programmed in the D6680-E120. These 16 bytes (32 characters) should match.  Default value is 01-02-03-04-05-06-07-08-09-10-11-12-13-14-15-16.
• At Enable Enhanced Password (N) press [ENTER].
• Select 9 at the main menu to save and close telnet session.
• A message is displayed the connection was lost..