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Ethernet MDI/MDI-X auto-sensing (Doc ID 1009240.1)

Last updated on JANUARY 30, 2022

Applies to:

Sun Fire V210 Server - Version Not Applicable and later
Sun Quad GigaSwift Ethernet UTP Adapter - Version Not Applicable and later
Sun Fire B1600 Blade System Chassis - Version Not Applicable and later
Sun Fire V240 Server - Version Not Applicable and later
Sun Fire V440 Server - Version Not Applicable and later
All Platforms

Goal

Many newer Ethernet switches and NICs support auto-sensing of MDI/MDI-X.
This eliminates the need for a crossover network cable when connecting one system directly to another system without a switch, or when connecting a switch to a switch not using a "up-link" port. 

Solution

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