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#153 Two replies on one pull-request at multicast address

1.3.2.0
closed
None
2017-03-03
2017-03-02
No

On publishers side we subscribe on the multicastaddres and we install a publisher (intervall == 0). On the requesters side we send a pull-request to the multicast-address.
We observe the ethernet traffic with wireshark. The pull-request is transferred properly, but the requester/subscriber produces two PD-telegram with consecutive trdp-sequence numbers.
Since the requester/subscriber only receives one pull-request, we expect him to send the processdata only once but not twice.

Discussion

  • Bernd Löhr

    Bernd Löhr - 2017-03-02

    Sorry, but I cannot replicate this behaviour - can you please verify with current trunk version? There have been changes regarding tlp_request() recently...

     
  • Christoph Felser

    I have just verified the behaviour with the latest trunk version. Unfortunately the error is still there...

     
  • Bernd Löhr

    Bernd Löhr - 2017-03-03

    Sorry, but I still cannot replicate this behaviour.
    See test4 and test8 in localtest ('./localtest -o Interface1_IP -i Interface2_IP -m 4' on a single machine with two IPs or start test 8 on one machine and pdPull on another).
    Do you have an MC publisher on more than one machine active? What is your exact setup?

     
  • Christoph Felser

    We have solved the problem within vos_determineBindAddr. Sorry this was no issue concerning the actual trdp-stack. Hence this issue can be rejected.

     
  • Bernd Löhr

    Bernd Löhr - 2017-03-03
    • status: open --> closed
    • assigned_to: Bernd Löhr
     
  • Bernd Löhr

    Bernd Löhr - 2017-03-03

    OK, no fix.

     

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