4-12 C HAPTER 4: M ANAGING T HE S WITCH 1000Setting Up the Switch PortsWith the Switch Management screen displayed,choose the management level Port. Choose theappropriate port, then select the SETUP button.The Port Setup screen is displayed as shown inFigure 4-11.If the port is an ATM OC-3c Module port, the ATMPort Setup screen is displayed. For more informa-tion, refer to the “SuperStack II Switch ATM OC-3cModule User Guide”.The screen shows the following:Port ID This read-only field shows the ID of the portyou have chosen to set up.Media Type This read-only field shows the mediatype of the link connected to this port.Port Speed This read-only field shows the speedand duplex mode of the link. HD indicates halfduplex, FD indicates full duplex.Port State Enable / Disable This field allows you toenable or disable the port. To prevent unauthorizedaccess, we recommend that you disable any unusedports.Link State Present / Not Available This read-onlyfield shows the state of the link:n Present — The port is operating normallyn Not Available — The link has been lostFigure 4-11 Port Setup screen (10BASE-T port)Lost Links This read-only field shows the number oftimes the link has been lost since the Switch waslast reset. If the number in this field is not zero, youshould check your cables and replace any that maybe damaged.If the port is directly connected to an endstation,the Lost Links counter increments each time theendstation goes through a power-off/on cycle.Intelligent Flow Management Enable / DisableThis field allows you to enable or disable IntelligentFlow Management (IFM). IFM minimizes packet losswhich can occur with conventional switches.IFM should be disabled if the port is connected to arepeated segment where the traffic is mainly localto that segment. Refer to “Server Connections” inChapter 1.