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多项选择题Which three characteristics of the traffic flow are taken into consideration when the OoS-for-VPNs feature (OoS pre-classify) provides packet classification and applies appropriate OoS service on tunnel interfaces? ()

A、IP precedence bits

B、DSCP bits

C、original port numbers

D、DE bits

E、source IP address

F、destination IP address

  • C,E,F
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