Administrator Guide

• Loopback Interfaces
• Null Interfaces
• Port Channel Interfaces
• Bulk Configuration
• Defining Interface Range Macros
• Monitoring and Maintaining Interfaces
• Non Dell-Qualified Transceivers
• Splitting 40G Ports without Reload
• Splitting QSFP Ports to SFP+ Ports
• Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port
• Configuring wavelength for 10–Gigabit SFP+ optics
• Link Dampening
• Link Bundle Monitoring
• Using Ethernet Pause Frames for Flow Control
• Configure the MTU Size on an Interface
• Port-Pipes
• Auto-Negotiation on Ethernet Interfaces
• View Advanced Interface Information
• Configuring the Traffic Sampling Size Globally
• Dynamic Counters
Interface Types
The following table describes different interface types.
Table 39. Different Types of Interfaces
Interface Type Modes Possible Default Mode Requires Creation Default State
Physical L2, L3 Unset No Shutdown (disabled)
Management N/A N/A No No Shutdown (enabled)
Loopback L3 L3 Yes No Shutdown (enabled)
Null N/A N/A No Enabled
Port Channel L2, L3 L3 Yes Shutdown (disabled)
VLAN L2, L3 L2 Yes (except default)
L2 - Shutdown (disabled)
L3 - No Shutdown
(enabled)
View Basic Interface Information
To view basic interface information, use the following command.
You have several options for viewing interface status and configuration parameters.
• Lists all configurable interfaces on the chassis.
EXEC mode
show interfaces
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Interfaces