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Getting Invalid Stream Identifier between 2 SCTP endpoints #46

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@prateekkohli2112

My lksctp version is libsctp.so.1.0.16.

I have configured 32 inbound & outbound streams at sctp client, and 1 inbound & outbound stream each at sctp server.

As per my understanding the the only valid value of stream identifier shall be 0 in this case.

But sctp client sends a record with streamId 1 and hence the server responds with Invalid Stream Identifier(as any stream id other than 0 is not valid in this case).

Is there some bug in libsctp.so.1.0.16 or is my understanding wrong for stream Ids.

Below are the tcpdump screenshots:

image

image

image

image

I have also attached tcpdump for your reference.

export.zip

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