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Slow Network - Need Help Troubleshooting

Discussion in 'Networking' started by TERM, Aug 26, 2005.

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  1. TERM

    TERM Thread Starter

    Joined:
    Jul 13, 2003
    Messages:
    37
    Recently, one of our old servers died. It was expected, so it wasn't to big of a problem.

    I got a new server up and running, it was working awesome. So much faster than before. Anyways I re-installed my Panda Business Secure and pushed out the communication agent to all of the office PC's.

    After doing this rollout of the communications agent, the network seems to be slowed to a crawl. Is there some free program that I can get or use to check why its going so slow? I am new to this job and unfortunately have no one to help me, so Im completely at a loss here and people are slowly getting mad.

    Thanks in advance for any help.
     
  2. O111111O

    O111111O

    Joined:
    Aug 26, 2005
    Messages:
    894
    What's it plugged into? (Switch, what model, what type of cable, etc)

    What type of server?
    What's processor load? (CPU, disk IO, etc.)
    What processes are loaded? (Look at taskman)
    What's it connected to? (Do netstat -no)

    For what it's worth, a very common problem on switched 10/100 networks is Link Speed/Duplex. I wouldn't exactly call FastEthernet link negotiation reliable. If the NIC is forced 100/FULL, or the switchport is forced 100/FULL - the other side will never try PHY negotiation and will more often than not end up with mismatch duplex.
     
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