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Changing a port from half to full Duplex

  • 20-07-2005 1:10pm
    #1
    Mossess
    Registered Users, Registered Users 2 Posts: 316 ✭✭


    Have a 3Com 3300 and I need to change a port from half to full Duplex, can't find it in the web interface at all. It's driving me nuts trying to find it! Anyone got any suggestions?

    Cheers

    Mossess


Comments

  • #2
    Sponge Bob
    Banned (with Prison Access) Posts: 25,234 ✭✭✭✭Sponge Bob


    double click on the graphic of the port you want to change


  • #3
    Mossess
    Registered Users, Registered Users 2 Posts: 316 ✭✭Mossess


    I did, Auto is the only option in the Speed/duplex dropdown. I have another 3300 and they are all set to full. Can't understand it at all.


  • #4
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,552 Mod ✭✭✭✭Capt'n Midnight


    No idea - things to look at
    Management Settings
    Are you logging in as manager or other user instead of admin ?

    icon
    Is it one of the 10/100 ports or an expansion card
    Is the port liked to another 3 com switch ?
    Is the unit on a different firmware to the others ?

    Configuration
    Is the port in a Resiliant link ? ( have a look at Vlan or trunk too )


  • #5
    matt-dublin
    Registered Users, Registered Users 2 Posts: 4,468 ✭✭✭matt-dublin


    change it to auto and it will decide which is best for you....
    if you change it to full duplex you are most likely to drop packets and have a lot of collisions


  • #6
    Snaga
    Registered Users, Registered Users 2 Posts: 1,562 ✭✭✭Snaga


    auto neg does not always work correctly, especially when mixing different vendor's devices together.

    Personally Id be much happier nailing both sides to a particular speed, rather than using auto-neg.


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