For incoming traffic, you can prepend the prefixes out the circuit that you less prefer remote traffic to access you throguh. For outbound, you may need to do a combination of local preference based on destination prefix or PBR based on source.
It will not load balance if iBGP is still in the mix. Only one best path will be used and no load balancing will occur, even with GLBP. iBGP would have to be disabled and then rely on GLBP to do the load balancing between the two routers.Since the o...
GLBP would be a good option in this scenario if you're not running full Internet route table and iBGP because the best route will always be selected leaving your AS, regardless which router the gateway protocol will bring it to. Note that GLBP will n...