030-300372 Rev. A 81 July 2003
Westell Dual Connect NAT Router with DMH Technology
User Guide
If you select Help in the screen labeled User Defined Firewall Rules, the following screen will be displayed. This
screen gives a detailed explanation of the Firewall Rules.
If you select ATM Loopbacks from the Configuration menu, the following settings will be displayed.
Enable ATM 0/21 Loopback: Factory Default = ENABLED
This option enables the 0/21 loopback , which is used by your ISP.
NOTE: Westell does not recommend that you change this setting.