Activate Run of Network Traffic

If you think your campaign is getting low traffic volumes and you would like to boost the traffic, then you can choose RON (Run of network) targeting option to open campaign to all possible traffic sources.

how do i open RON for my campaign?

Click on Campaigns --> Click on campaign for which you would like to activate RON --> Click on listing tab --> Click on RON Targeting --> add your CPV bid and click on enable.