3620 / BGP / Load Balanceing

[GoinDrinkn]

I have inherited a network that has a 3620 serviced by 2 "diverse" T1s. It has BGP4 setup and in the past I have evidence that a 3rd party has reviewed the router's configs anually. Every thing has been working great until just recently. They added a few more people and all of a sudden I have gotten a lot of complaints. I used a product called CyberGuage to look at the router and I noticed that one of the Ts is fully saturated with inbound traffic, the other has next to nothing. As far as outbound traffic it seems equally balanced. I know that each T has it's own address but when one of the users trys to VPN in or utilize anything inside of the router it is identified by a an address in a different subnet. So where would the inbound load balencing be set up? And does anyone have an idea what I need to be looking/asking for when I trouble shoot it with someone who know something about this stuff?

Thanks in advance,

James
(Non cisco guy)

 

[JOAMON]

With two incoming T1 lines why not check with the ISP and see if they support bonding them together as a multilink interface.