Dell EMC Configuration Guide for the S4048T–ON System 9.14.2.4

Example of the negotiation auto Command

DellEMC(conf)# int tengigabitethernet 1/1
DellEMC(conf-if-te-1/1)#neg auto
DellEMC(conf-if-te-1/1-autoneg)# ?

end              Exit from configuration mode
exit             Exit from autoneg configuration mode
mode          Specify autoneg mode
no            Negate a command or set its defaults
show             Show autoneg configuration information
DellEMC(conf-if-te-1/1-autoneg)#mode ?
forced-master Force port to master mode
forced-slave     Force port to slave mode
DellEMC(conf-if-te-1/1-autoneg)#

For details about the speed, duplex, and negotiation auto commands, refer to the Interfaces chapter of the Dell EMC Networking OS Command Reference Guide.