Add DSCP column to WireShark

Tracking down Quality CoS and QOS issues with VoIP calls, having this column handy in WireShark captures is well, handy.

1. Right click on one of the WireShark columns headers
2. Click on Column Preferences
3. Click Add + icon at the bottom
4. Click on the New Column and change it the label to DSCP
5. Make the Field Type to Custom
6. Field name should be ip.dsfield.dscp
7. Drag the column to an order you like
8. Click OK.