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Hi,<br />
<br />
Please read the below discussion;<br />
<br />
<a href="http://www.firewall.cx/ftopict-3590.html" rel="ugc">http://www.firewall.cx/ftopict-3590.html</a>
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Hi,

Please read the below discussion;

http://www.firewall.cx/ftopict-3590.html [http://www.firewall.cx/ftopict-3590.html]

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Thanks for helping me understand this.
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<div class="content wysiwyg-content">
I am shooting an issue with intermittent network slowness. I checked my switches and the interfaces show no over utilization and no errors. &nbsp;I don't see anything on the switches that stands out as an issue. <br />
<br />
When I run wireshark I see lots of TCP Out-of-Order's 24,000 and 12000 duplicate ACKs in a 10 minute capture. Is this a problem &nbsp;I attached images. The dup ip was corrected.<br />
<br />
Does anything else stand out? <br />
<a href="https://filedb.experts-exchange.com/incoming/2009/12_w01/217024/ScreenHunter-01-Dec.-28-11.41.gif" target="_blank" class="file-inline" title="sniffer composite (12 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>ScreenHunter-01-Dec.-28-11.41.gif</a><br />
<a href="https://filedb.experts-exchange.com/incoming/2009/12_w01/217027/ScreenHunter-03-Dec.-28-11.44.gif" target="_blank" class="file-inline" title="sniffer composite (4 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>ScreenHunter-03-Dec.-28-11.44.gif</a><br />
<a href="https://filedb.experts-exchange.com/incoming/2009/12_w01/217028/ScreenHunter-04-Dec.-28-11.44.gif" target="_blank" class="file-inline" title="sniffer composite (4 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>ScreenHunter-04-Dec.-28-11.44.gif</a>
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ScreenHunter-04-Dec.-28-11.44.gif

ScreenHunter-03-Dec.-28-11.44.gif

ScreenHunter-01-Dec.-28-11.41.gif

I am shooting an issue with intermittent network slowness. I checked my switches and the interfaces show no over utilization and no errors.  I don't see anything on the switches that stands out as an issue. 

When I run wireshark I see lots of TCP Out-of-Order's 24,000 and 12000 duplicate ACKs in a 10 minute capture. Is this a problem  I attached images. The dup ip was corrected.

Does anything else stand out? 

The dreaded intermittent &quot;network is slow&quot; help with wireshark: Lots of TCP Out-of-Order

Network analysis is the process of identifying and remediating the processes and systems within a network, including performance, connectivity and security. The process is performed through the use of tools developed for monitoring and analyzing network activity. Network problems that involve finding an optimal way of doing something are studied under the name combinatorial optimization. Examples include network flow, shortest path problem, transport problem, transshipment problem, location problem, matching problem, assignment problem, packing problem, routing problem, Critical Path Analysis and PERT (Program Evaluation & Review Technique).

Network Analysis

Transmission Control Protocol/Internet Protocol (TCP/IP) is the set of networking protocols that define end-to-end connectivity specifying how data should be packeted, addressed, transmitted, routed and received at the destination. This functionality is organized into four abstraction layers which are used to sort all related protocols according to the scope of networking involved.

The dreaded intermittent &quot;network is slow&quot; help with wireshark: Lots of TCP Out-of-Order

The dreaded intermittent "network is slow" help with wireshark: Lots of TCP Out-of-Order