Dell S3100 EMC Command Line Reference Guide for the Series 9.14.2.6 - Page 619
Link Status Between Port 1 and Port 2, User Information
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• Master • Slave • Auto-neg Error - typically indicates that both ends of the node are configured with forced-master or forced- slave. CAUTION: Ensure that one end of your node is configured as forced-master and one is configured as forced-slave. If both are configured the same (that is, forced-master or forced-slave), the show interfaces command flaps between an auto-neg-error and forced-master/slave states. NOTE: In S3100 series, the negotiation auto command is not available on the combo ports in the hybrid mode. You need to provision the combo port as copper or fiber medium using the combo-port-type command. See combo-port-type. You can display master/slave settings with the show interfaces command. Example (Master/ Slave) DellEMC(conf)# interface gigabitethernet 1/1 DellEMC(conf-if)# neg auto DellEMC(conf-if-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-autoneg)# mode ? forced-master Force port to master mode forced-slave Force port to slave mode DellEMC(conf-if-autoneg)# Example (Configured) DellEMC# show interfaces configured GigabitEthernet 1/18 is up, line protocol is up Hardware is DellEMCEth, address is 00:01:e8:05:f7:fc Current address is 00:01:e8:05:f7:fc Interface index is 474791997 Internet address is 1.1.1.1/24 MTU 1554 bytes, IP MTU 1500 bytes LineSpeed 1000 Mbit, Mode full duplex, Master ARP type: ARPA, ARP Timeout 04:00:00 Last clearing of "show interfaces" counters 00:12:42 Queueing strategy: fifo Input Statistics: ... User Information Both sides of the link must have auto-negotiation enabled or disabled for the link to come up. The following details the possible speed and auto-negotiation combinations for a line between two 10/100/1000 Base-T Ethernet interfaces. Port 0 • auto-negotiation enabled* speed 1000 or auto • auto-negotiation enabled speed 100 • auto-negotiation disabled speed 100 • auto-negotiation disabled speed 100 • auto-negotiation enabled* speed 1000 or auto Port 1 • auto-negotiation enabled* speed 1000 or auto • auto-negotiation enabled speed 100 • auto-negotiation disabled speed 100 • auto-negotiation enabled speed 100 • auto-negotiation disabled speed 100 Link Status Between Port 1 and Port 2 Interfaces 619
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