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Hierarchy Level


Disable the Auto MDI/MDIX feature.

MX Series routers with Gigabit Ethernet interfaces automatically detect MDI and MDIX port connections. Use this statement to override the default setting. Remove this statement to return to the default setting.

The show interfaces interface-name command displays incorrect auto MDI-X status when you disable auto MDI-X.


Auto MDI/MDIX is enabled by default.


There are no options for this statement.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 9.5.

Statement introduced in Junos OS Release 12.2 for ACX Series Universal Metro Routers.