030-300411 Rev. A 81 July 2004
Westell (Models 6000, 6100, 6110)
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.
11.9 ATM Loopbacks
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.