duplex {half | full}7. Disable auto-negotiation on the port.INTERFACE modeno negotiation autoIf the speed was set to 1000, do not disable auto-negotiation.8. Verify configuration changes.INTERFACE modeshow configExample of the show interfaces status Command to View Link StatusNOTE: The show interfaces status command displays link status, but not administrativestatus. For both link and administrative status, use the show ip interface [interface |brief | linecard slot-number] [configuration] command.Dell#show interfaces statusPort Description Status Speed Duplex VlanTe 1/1/1 Down Auto Mbit Auto --Te 1/1/2 Down 10000 Mbit Auto --Te 1/1/3 Down Auto Mbit Auto --Te 1/1/4 Down 10000 Mbit Auto --Te 1/2/1 Up 10000 Mbit Full 2-5Te 1/2/2 Up 10000 Mbit Full 2-5Te 1/2/3 Up Auto Mbit Full 2-5Te 1/2/4 Up 10000 Mbit Full 2-5Fo 1/3 Down 40000 Mbit Auto --Fo 1/4 Down 40000 Mbit Auto --Fo 1/5 Down Auto Mbit Auto --[output omitted]In the previous example, several ports display “Auto” in the Speed field. In the following example, thespeed of port 1/1/1 is set to 100Mb and then its auto-negotiation is disabled.Dell#configureDell(config)#interface tengig 1/1/1Dell(conf-if-te-1/1/1)#speed 100Dell(conf-if-te-1/1/1)#duplex fullDell(conf-if-te-1/1/1)#no negotiation autoDell(conf-if-te-1/1/1)#show config!interface TenGigabitEthernet 1/1/1no ip addressspeed 100duplex fullno shutdownSet Auto-Negotiation OptionsThe negotiation auto command provides a mode option for configuring an individual port to forcedmaster/ forced slave once auto-negotiation is enabled.CAUTION: Ensure that only one end of the node is configured as forced-master and the other isconfigured as forced-slave. If both are configured the same (that is, both as forced-master orboth as forced-slave), the show interface command flaps between an auto-neg-error andforced-master/slave states.412 Interfaces
