Hi everybody,

I am new to Ryu and I am encountering problems when I try to add a new flow
by using the REST APIs. I am using curl trying to install a rule like the
following:

curl -X POST -d '{
    "dpid": 0000000000000001,
    "match":{
        "dl_dst": "f2:e4:25:aa:d2:03"
    },
    "actions":[
        {
            "type":"GROUP",
            "group_id": 5
        }
    ]
 }' http://localhost:8080/stats/flowentry/add

but, although the http servers says "200 ok" I am unable to verify if the
rule has been installed given that when I execute

 curl -X GET http://localhost:8080/stats/flow/0000000000000001

it appears that the flow table of the switch is empty.
This problem doesn't happens with all the rule I've tried to install; only
with certain kind of rules, which I did not recognize, I encounter this
problem. Sometimes it seems that by adding the rule I overwrite what was
previously installed.

Can someone help?

Thanks in advance,

SR
Università degli studi di Milano-Bicocca
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