When I connected my new HP ProCurve Switch 2650 or Switch 6108 to my HP ProCurve Switch 4000m using a Gigabit-SX or Gigabit-LX connection, the link did not come up. Why?
The ProCurve Networking by HP Gigabit-SX and Gigabit-LX modules used in the HP ProCurve Switch 4000m, 8000m, 1600m, 2424m, and 2400m are set by factory-default to “1000 Fdx” whereas the factory-default setting for the ProCurve Networking by HP Gigabit SX-LC and LX-LC mini-GBIC used in the HP ProCurve Switch 2650 and Switch 6108 is “Auto”. The configuration must be set to match on both ends to provide Gigabit connectivity.
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