I have a network scenario involving EIGRP routing between Cisco 6500 and two 3800 routers. The Internet T1s are connected on the 3800 with two T1s on Rt1 and one T1 on Rt2. I have setup EIGRP unequal load balancing on 6500 with variance 2 so that two connections go to Rt1 and one connection goes out to Rt2 and the routing works fine. PAT is running on both 3800s to get out to the internet. However, since the internet T1s have different public serial IP addresses, the connections going out to the internet servers might be taking any T1 path out to the internet and we have users complaining about some websites not fully loading pages with partial pages getting displayed. Is there a better way to define load balancing. CEF is turned on and default connection based load balancing is occuring. I have attached the diagram to be more clear.
Example; From a client PC behind the 6500, I go to ford.com and click on several links on the website. As supposed to work, I see NAT translations on both 3800 routers sourced from the client PC, going to same website ford.com. Is it causing problems because the Ford website sees two different public IP addresses (of the internet t1s) for the same connection ?
Any suggestions will be appreciated.