Administrator Guide

4 Access the port.
CONFIGURATION mode
interface interface slot/port
5 Set the local port speed.
INTERFACE mode
speed {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
Example of the show interfaces status Command to View Link Status
Example of Setting Port Speed and Disabling Auto-Negotiation
NOTE: The show interfaces status command displays link status, but not administrative status. For
both link and administrative status, use the show ip interface [interface | brief]
[configuration]
command.
Dell#show interfaces status
Port Description Status Speed Duplex Vlan
Te 0/1 Down Auto Auto --
Te 0/2 Down Auto Auto --
Te 0/3 Down Auto Auto --
Te 0/4 Down Auto Auto --
Te 0/5 Down Auto Auto --
Te 0/6 Down Auto Auto --
Te 0/7 Down Auto Auto --
Te 0/8 Down Auto Auto --
Te 0/9 Down Auto Auto --
Te 0/10 Down Auto Auto --
Te 0/11 Down Auto Auto --
Te 0/12 Down Auto Auto --
Te 0/13 Down Auto Auto --
[output omitted]
In the previous example, several ports display “Auto” in the Speed field, including port 0/1. In the following
example, the speed of port 0/1 is set to 100Mb and then its auto-negotiation is disabled.
Dell#configure
Dell(config)#interface tengig 0/1
Interfaces 440