Dell S3100 Command Line Reference Guide for the Series 9.110.0 - Page 672
Usage Information, Example Master, Slave, Example, Con d, interfaces, negotiation auto, combo
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Usage Information This command is supported on 10/100/1000 Base-T Ethernet interfaces. The no negotiation auto command is only available if you first manually set the speed of a port to 10Mbits or 100Mbits. The negotiation auto command provides a mode option for configuring an individual port to forced-master/ forced slave after you enable auto-negotiation. NOTE: The mode option is not available on non-10/100/1000 Base-T systems. If you do not use the mode option, the default setting is slave. If you do not configure forced-master or forcedslave on a port, the port negotiates to either a master or a slave state. Port status is one of the following: • Forced-master • Force-slave • 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 comboport-type command. See combo-port-type. You can display master/slave settings with the show interfaces command. Example (Master/ Slave) Dell(conf)# interface gigabitethernet 1/1 Dell(conf-if)# neg auto Dell(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 Dell(conf-if-autoneg)# mode ? forced-master Force port to master mode forced-slave Force port to slave mode Dell(conf-if-autoneg)# Example (Configured) Dell# show interfaces configured GigabitEthernet 1/18 is up, line protocol is up Hardware is Force10Eth, 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. 672 Interfaces
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