To add a rule, click the Add button to enter the following screen. 
 
 
 
Here you can create a traffic class rule to classify the ingress traffic into a priority queue and optionally mark the DSCP 
or Ethernet priority of the packet. 
Click Apply/Save to save and activate the rule. 
4.2.8 Routing 
This section explains the following: 
• Default Gateway 
• Static Route 
Default Gateway 
Default gateway interface list can have multiple WAN interfaces served as system default gateways but only one will be 
used according to the priority with the first being the highest and the last one the lowest priority if the WAN interface is 
connected. Priority order can be changed by removing all and adding them back in again.   
 
 
 
  Selected Default Gateway Interfaces: Displays the selected dfault gteway iterfaces. Select a WAN interface and 
click the    button to move it to the Available Routed WAN Interfaces box. 
  Available Routed  WAN  Interfaces:  Displays  the  available  routed  WAN  interfaces.  Select  a  WAN  interface  and 
click the  button to add it to the Selected Default Gateway Interfaces box. 
  Apply/Save: Click to save and activate your settings.