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network packets are getting lost

Posted on 1998-05-15
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Last Modified: 2013-12-27
What tools are available on a standard Sun0S4.1.4 or Solaris 2.5 to help me figure out whats happening with network access?
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Question by:j_k
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by:ahoffmann
ID: 2006805
get  tcpdump  and install it on your Sun
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by:braveheart
ID: 2006806
Sounds to me like the amount of network traffic has steadily been rising over the years and that now you are approaching the max capacity of your network. Another possibility could be that one of your machines is sending rogue packets and filling up bandwidth to no useful purpose. Have you tried isolating one machine at a time to see if it makes a difference?
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by:j_k
ID: 2006807
No, i have not tried isolating one machine yet.  It is to inconsistent to determine the effect.  I was going to look into tcpdump, to see what that could do for me!.

J_K

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LVL 51

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by:ahoffmann
ID: 2006808
check also for netwatch (latest version I know is 0.7)
its not for checking packet contens, but shows very simple
who connects who at which protocol and how many packets are transmitted.

It may help to find bottlenecks.
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by:j_k
ID: 2006809
I haven't tried any of these tools yet!
But i did upgrade to PCNFS5.1d which appears to have solved all our problems.

Thanks
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ahoffmann earned 200 total points
ID: 2006810
Nice, could you please remove this question then.

Good luck.
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