Qtech QSW-2900-24T4-AC [52/209] Enter interface configuration mode

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3.2.2 Enter interface configuration mode
Enter interface configuration mode before configuration.
Configure as following in global configuration mode:
Enter interface configuration mode
interface ethernet interface-number
Interface-num is Ethernet interface number which is in the form of slot-num/port-num, in which slot-num is in
the range of 0 to 2, and port-num is in the range of 1 to 24.
3.2.3 Enable/disable specified interface
After system booting, all the interfaces are defaulted to be enable, and each interface can be configured
according to real situation.
Use following commands to enable/disable an Ethernet port.
shutdown
no shutdown
Shutdown means disable a port, while no shutdown means enable a port.
For example:
! Enable Ethernet interface 1
QTECH(config-if-ethernet-0/1)#no shutdown
! Disable Ethernet interface 25
QTECH(config-if-ethernet-1/1)#shutdown
When interface is shutdown, the physical link is working for diagnosis.
3.2.4 Configure interface duplex mode and speed rate
100 BASE TX supports the speed of 10Mbps and 100Mbps, while 100 BASE FX supports the speed of
100Mbps. 1000 BASE TX supports the speed of 10Mbps, 100Mbps and 1000Mbps, while 1000 BASE FX supports
the speed of 1000Mbps. 100 BASE TX and 1000 BASE TX support the duplex mode of half, full duplex and
auto-negotiation mode. 100 BASE FX and 1000 Base FX only support the duplex mode of full duplex. By default,
100 Base FX is in the mode of 100M and full duplex, and other interfaces are auto-negotiation. User can configure
the working mode by himself. Use speed command to configure the speed and duplex command to configure duplex.
Command form in interface mode
speed { 10 | 10auto | 100 | 100 auto | 1000 | 1000 auto | auto }
no speed
duplex { auto | full | half }
no duplex
For example:
! Configure the speed of Ethernet 0/1 to 100Mbps and duplex mode to be full duplex
QTECH(config-if-ethernet-0/1)#speed 100
QTECH(config-if-ethernet-0/1)#duplex full
In system, which ofthe speed or duplex setup to auto , and the another will be setup to auto too.

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