Hey Guys,my company will change WAN connection from HDSL (2Mb/2Mb) to Metro Ethernet (10Mb/10Mb).Now, I have CISCO 1841 (12.4(15)T12 ) with 2 FE and HWIC-1T.Can i configure my Metro Ethernet (WAN Connection) on one FE or i need of "external wic" such...