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show interfaces [interface | stack—unit stack-unit-number] status
2. Determine the remote interface status.
EXEC mode or EXEC Privilege mode
[Use the command on the remote system that is equivalent to the first command.]
3. Access CONFIGURATION mode.
EXEC Privilege mode
config
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. 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 Down 1000 Mbit Auto 1
Te 1/2 Down Auto Auto 1
Te 1/3 Down Auto Auto --
Te 1/4 Force10Port Up 1000 Mbit Auto 30-130
Te 1/5 Down Auto Auto --
Te 1/6 Down Auto Auto --
Te 1/7 Up 1000 Mbit Auto 1502,1504,1506-1508,1602
Te 1/8 Down Auto Auto --
Te 1/9 Down Auto Auto --
Te 1/10 Down Auto Auto --
Te 1/11 Down Auto Auto --
Te 1/12 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 tengig 1/1
DellEMC(conf-if-te-1/1)#speed 100
DellEMC(conf-if-te-1/1)#duplex full
DellEMC(conf-if-te-1/1)#no negotiation auto
DellEMC(conf-if-te-1/1)#show config
!
interface TenGigabitEthernet 1/1
no ip address
speed 100
Interfaces
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