You can use direct connection if you want. DRA are not mandatory.However they offer some functionalities which could be useful in big network like load balancing. Gilles.
The config is what I sent you for pgw.qci-qos-mapping allows you to set the user dscp (inner header) and encaps header dscp (outer header). Or ip qos-dscp qci 1 be qci 2 be qci 3 be qci 4 be qci 5 be qci 6 be qci 7 be qci 8 be Under apn or ggsn-ser...
policing and marking are done separately.If you need to mark your traffic, you can do it in many different ways.For example under apn configuration apn internet ip qos-dscp qci 1 be qci 2 be qci 3 be qci 4 be qci 5 be qci 6 be qci 7 be qci 8...
diameter for Gx and Gy can be very chatty. So indeed you need a robust server to handle all the traffic.My question regarding multimode and single mode is regarding the diameter-proxy function.Forgot to also ask you if you use the diamter-proxy opti...
Did you capture sniffer trace to check if there is any packet drops on the network ?Are you using TCP or SCTP ?Multimode or single mode ? There could be many reasons for retransmit. Thanks. Gilles.