Users Guide

speed {10 | 100 | 1000 | 10000 | auto}
NOTE: If you use an active optical cable (AOC), you can convert the QSFP+ port to a 10 Gigabit SFP+ port or 1 Gigabit
SFP port. You can use the speed command to enable the required speed.
6. Optionally, set full- or half-duplex.
INTERFACE mode
duplex {half | full}
7. Disable auto-negotiation on the port.
INTERFACE mode
no negotiation auto
If the speed was set to 1000, do not disable auto-negotiation.
8. Verify configuration changes.
INTERFACE mode
show config
NOTE: The show interfaces status command displays link status, but not administrative status. For both link and
administrative status, use the show ip interface command.
DellEMC#show interfaces status
Port Description Status Speed Duplex Vlan
Te 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 2-5
Te 1/2/2 Up 10000 Mbit Full 2-5
Te 1/2/3 Up Auto Mbit Full 2-5
Te 1/2/4 Up 10000 Mbit Full 2-5
Fo 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, the speed of port 1/1 is set to
100Mb and then its auto-negotiation is disabled.
DellEMC#configure
DellEMC(config)#interface tengig 1/1/1
DellEMC(conf-if-te-1/1/1)#speed 100
DellEMC(conf-if-te-1/1/1)#duplex full
DellEMC(conf-if-te-1/1/1)#no negotiation auto
DellEMC(conf-if-te-1/1/1)#show config
!
interface TenGigabitEthernet 1/1/1
no ip address
speed 100
duplex full
no shutdown
Syslog Warning Upon Connecting SFP28 Optics with
QSA
When you connect the SFP28 optics with the QSA, the system displays the following syslog warning:
For Dell-qualified SFP28 optics:
Aug 8 20:31:56 %Z9100-ON:1 %IFAGT-5-INSERT_OPTICS_SFP28: Optics SFP28 inserted in slot 1
port 7/1. Wrong QSA in use. Please utilize QSA28, not lower speed QSA to guarantee
support and performance for 25G Optics and cables
Interfaces
399