I need to run QoS (voice, internet) on my WAN access (E1) from a Cisco 3640 router: LAN --> FE --Cisco 3640 --E1 ---> WAN What i need to configure and how many output queue can i have on a Cisco E1 interface or FE interface (next uplink upgrade)? Trafic is already DSCP marked. Thanks you for your help