Administrator Guide

4. Access the port.
CONFIGURATION mode
interface interface-type
5. Set the local port speed.
INTERFACE mode
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. Disable auto-negotiation on the port.
INTERFACE mode
no negotiation auto
If the speed was set to 1000, do not disable auto-negotiation.
7. 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
Gi 1/1 Down Auto Auto --
Gi 1/2 Down Auto Auto --
Gi 1/3 Down Auto Auto --
Gi 1/4 Down Auto Auto --
Gi 1/5 Down Auto Auto --
Gi 1/6 Down Auto Auto --
Gi 1/7 Down Auto Auto --
Gi 1/8 Down Auto Auto --
Gi 1/9 Down Auto Auto --
Gi 1/10 Down Auto Auto --
Gi 1/11 Down Auto Auto --
Gi 1/12 Down Auto Auto --
Gi 1/13 Down Auto Auto --
Gi 1/14 Down Auto Auto --
Gi 1/15 Down Auto Auto --
Gi 1/16 Down Auto Auto --
Gi 1/17 Down Auto Auto --
Gi 1/18 Down Auto Auto --
Gi 1/19 Down Auto Auto --
Gi 1/20 Down Auto Auto --
Gi 1/21 Down Auto Auto --
Gi 1/22 Down Auto Auto --
Gi 1/23 Down Auto Auto --
Gi 1/24 Down Auto Auto --
Te 1/25 Down Auto Auto --
Te 1/26 Down Auto Auto --
Gi 2/1 Down Auto Auto --
Gi 2/2 Down Auto Auto --
Gi 2/3 Down Auto Auto --
Gi 2/4 Down Auto Auto --
Gi 2/5 Down Auto Auto --
Gi 2/6 Down Auto Auto --
Gi 2/7 Down Auto Auto --
Gi 2/8 Down Auto Auto --
Gi 2/9 Down Auto Auto --
Gi 2/10 Down Auto 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 gig 1/1
DellEMC(conf-if-gi-1/1)#speed 100
334
Interfaces