How can i create an etherchannel for 2811 router (My MPLS Router) with LAN interfaces bundeled(fa0/0 and fa0/1) both connected as an access port Vlan 80 to a layer 3 stacked Cisco 3750 switches Port#1 and Port#25. Cisco 3750 has a bunch of sub interfaces and will doing all the routing between different VLAN's.
IOS on 2811 Router - c2800nm-ipbase-mz.124-3h.bin
IOS on 3750 - 12-4-spservices
Any help will be appreciated.