CHAPTER 3
Configuring Interface Parameters
This chapter contains the following sections:
•
Information About the Basic Interface Parameters, page 11
•
Guidelines and Limitations, page 12
•
Configuring the Basic Interface Parameters, page 13
•
Verifying the Basic Interface Parameters, page 20
•
Feature History for Basic Interface Parameters, page 20
Information About the Basic Interface Parameters
Description
For the vEthernet, Ethernet, and management interfaces, you can configure the description parameter to
provide a name for the interface. Using a unique name for each interface allows you to quickly identify the
interface when you are looking at a listing of multiple interfaces.
By default, the description for vEthernet interfaces is automatically formatted to contain information about
the connected device. The description for a virtual Network Interface Card (vNIC), for example, contains the
VM name and network adapter number. You keep this default description or you can override it with a
description of your choosing.
Speed and Duplex Modes
The speed and duplex modes are interrelated for each Ethernet and management interface. By default, each
interface autonegotiates its speed and duplex modes with the other interface, but you can change these settings.
If you change the settings, be sure to use the same speed and duplex mode settings on both interfaces or use
autonegotiation for at least one of the interfaces.
Cisco Nexus 1000V for VMware vSphere Interface Configuration Guide, Release 5.x
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