04-14-2014 01:59 PM - edited 03-07-2019 07:05 PM
On my network I have 75 users. Only 2 users are reporting me network is slow. How can I troubleshoot those 2 users only. all other users says network is working fine.
04-14-2014 03:12 PM
Do an extended ping to the computers from the switch, from the distribution and from the core.
Next, ask more questions: What applications are causing slowness. Did you check for line errors? How about speed/duplex settings?
See for yourself if what they are saying is true? Can you ask the two users to log in to a different machine and still get the same response?
04-15-2014 11:27 AM
Leo,
When they are downloading emails, they are having slow network issues.
Thank You
04-16-2014 02:31 AM
When they are downloading emails, they are having slow network issues.
Ok. So do a continuous ping from the clients to the email server.
Check the interface(s) of the email servers for any line errors or line faults. Check the switch logs for any signs of interface bouncing.
04-15-2014 11:55 AM
Use Wireshark.
Let it run and when they have the issue, stop it. Look for the time they had the issue and begin your investigation
View > Time Display format > Seconds since Previous Displayed Packet
Look for large gaps in time and look at the packets
Use the Expert Info view and look at Errors and Warnings tabs.
Good luck
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