Administrator Guide

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
Configuration Task List for Physical Interfaces
By default, all interfaces are operationally disabled and traffic does not pass through them.
The following section includes information about optional configurations for physical interfaces:
• Overview of Layer Modes
• Configuring Layer 2 (Data Link) Mode
• Configuring Layer 2 (Interface) Mode
• Management Interfaces
• Auto-Negotiation on Ethernet Interfaces
• Clearing Interface Counters
Overview of Layer Modes
On the Dell Networking OS, you can place physical interfaces, port channels, and VLANs in Layer 2 mode or Layer 3 mode.
By default, VLANs are in Layer 2 mode.
Table 38. Layer Modes
Type of Interface Possible Modes Requires Creation Default State
10–Gigabit Ethernet and 40–
Gigabit Ethernet
Layer 2
Layer 3
No Shutdown (disabled)
Management N/A No Shutdown (disabled)
PE Gigabit Ethernet Layer 2 No Shutdown (disabled)
Loopback Layer 3 Yes No shutdown (enabled)
Null interface N/A No Enabled
Port Channel
Layer 2
Layer 3
Yes Shutdown (disabled)
VLAN
Layer 2
Layer 3
Yes, except for the default
VLAN.
No shutdown (active for Layer
2)
Shutdown (disabled for Layer 3)
Configuring Layer 2 (Data Link) Mode
Do not configure switching or Layer 2 protocols such as spanning tree protocol (STP) on an interface unless the interface has been set to
Layer 2 mode.
To set Layer 2 data transmissions through an individual interface, use the following command.
400
Interfaces