We already to have the ISP leased line, its 512kpbs is 1:2 dedicated the line still using that internet, One more We planned to take 1 mbps (wimax) is the dedicated the leased line and we have to divide it into two parts.
1) How to configure in the router.
2) Both the connectivity to using at the same based on the (DNS) Ip setting.
Anyone can help to guide configure the router.