Comtrend Corporation NexusLink 3120 User Manual page 204

NOTE: If the DHCP server is not enabled on another WAN interface then the
following notification will be shown before the next screen.
STEP 5: Select DNS Server Interface from available WAN interfaces OR enter static
DNS server IP addresses for the system. In ATM mode, if only a single PVC
with IPoA or static IPoE protocol is configured, Static DNS server IP
addresses must be entered.
Click Next to continue or click Back to return to the previous step.
203