[lwip-devel] [bug #24493] Dropped incoming packets cause a burst of duplicate ACKs

[Bill Auerbach]

URL:
  <http://savannah.nongnu.org/bugs/?24493>

                 Summary: Dropped incoming packets cause a burst of duplicate
ACKs
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: billauerbach
            Submitted on: Wed 08 Oct 2008 06:09:48 PM EDT
                Category: TCP
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: CVS Head

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Details:

When incoming packets are dropped, lwIP can transmit several duplicate ACKs
very quickly in succession.  The attached PCAP file shows 14 duplicates ACKs
transmitted in 100.1mS.



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File Attachments:


-------------------------------------------------------
Date: Wed 08 Oct 2008 06:09:48 PM EDT  Name: BurstAcks.pcap  Size: 84kB   By:
billauerbach

<http://savannah.nongnu.org/bugs/download.php?file_id=16632>

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