Well, this isn't working yet.
I was able to put it to work in NE40, but not in S7712.
I can see the statistics increasing, but my server never receive any packet from the switch.
<HUAWEI_S7712_05>dis ip netstream statistics slot 2
===== Netstream statistics: =====
Origin/Flexible ingress entries : 44636870
Origin/Flexible ingress packets : 188887520
Origin/Flexible ingress octets : 229582390103
Origin/Flexible egress entries : 42144329
Origin/Flexible egress packets : 124850009
Origin/Flexible egress octets : 69097339782
Origin/Flexible total entries : 27082
Handle origin entries : 86796656
Handle As aggre entries : 32792
Handle ProtPort aggre entries : 0
Handle SrcPrefix aggre entries : 0
Handle DstPrefix aggre entries : 0
Handle Prefix aggre entries : 0
Handle AsTos aggre entries : 0
Handle ProtPortTos aggre entries : 0
Handle SrcPreTos aggre entries : 0
Handle DstPreTos aggre entries : 0
Handle PreTos aggre entries : 0