Add group and weight Columns in Routes
From TBwiki
Applies to version(s): v2.7
1- Click Routes in the navigation panel
2- Click Create New Route Column on the static routes page
3- Create 2 New Route Column: group and weight
- Enter a name for the column
- Type Attributes: integer
- Default: leave it blank or give a value
Note: group: a lower value will have higher priority; weight: matching routes of the same group will load share according to the weight parameter