Administrator Guide

• VLAN Interfaces
• Loopback Interfaces
• Null Interfaces
• Port Channel Interfaces
• Bulk Conguration
• Dening Interface Range Macros
• Monitoring and Maintaining Interfaces
• Non Dell-Qualied Transceivers
• Splitting 40G Ports without Reload
• Splitting QSFP Ports to SFP+ Ports
• Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port
• Conguring wavelength for 10–Gigabit SFP+ optics
• Link Dampening
• Link Bundle Monitoring
• Using Ethernet Pause Frames for Flow Control
• Congure the MTU Size on an Interface
• Port-Pipes
• Auto-Negotiation on Ethernet Interfaces
• View Advanced Interface Information
• Conguring the Trac Sampling Size Globally
• Dynamic Counters
Interface Types
The following table describes dierent interface types.
Table 39.
Dierent 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 conguration parameters.
• Lists all congurable interfaces on the chassis.
EXEC mode
show interfaces
390
Interfaces