I am getting 8 Mbps of Internet bandwidth from Service Provider throuth 4 e1 ports and I have Cisco 2821 Router with 4 E1 ports and built-in 2 ports giga bit Ethernet. I want that all my bandwidth (8 Mbps) should terminate on my one gigabit Ethernet card. Please tell me how can I do this and also mention any cisco url for reference configuration.