Configuring Ethernet Interfaces; Overview; Performing General Configurations; Configuring A Combo Interface - HP HSR6800 Configuration Manual

Configuring Ethernet interfaces

All configuration tasks in this chapter are independent and optional. You can perform these
configuration tasks in any order.

Overview

Ethernet is the most widespread wired LAN technology due to its flexibility, simplicity, and easy
implementation. Your device supports the following types of Ethernet interfaces:
Layer 2 Ethernet interfaces—Physical Ethernet interfaces operating at the data link layer (Layer 2)
•
to forward traffic within a subnet between hosts.
• Layer 3 Ethernet interfaces—Physical Ethernet interfaces operating at the network layer (Layer 3) to
forward traffic between different subnets. You can assign an IP address to a Layer 3 Ethernet
interface.
Layer-configurable Ethernet interfaces—Physical Ethernet interfaces that can be configured to
•
operate in bridge mode as Layer 2 Ethernet interfaces or in route-mode as Layer 3 Ethernet
interfaces.
Layer 3 Ethernet subinterfaces—Logical interfaces operating at the network layer. You can assign
•
an IP address to a Layer 3 Ethernet subinterface. By creating subinterfaces on a Layer 3 Ethernet
interface, you enable the interface to carry packets for multiple VLANs. For how a Layer 3 Ethernet
subinterface sends and receives VLAN-tagged packets, see Layer 2—LAN Switching Configuration
Guide.

Performing general configurations

This section describes the settings common to Layer 2 and Layer 3 Ethernet interfaces or subinterfaces.
For more information about the settings specific to a type of Ethernet interfaces, see
2 Ethernet interface" and

Configuring a combo interface

A combo interface is a logical interface that comprises one fiber port and one copper port. The two ports
share one forwarding channel and one interface view, so they cannot work simultaneously. When you
enable one port, the other port is automatically disabled.
The fiber combo port and the copper combo port share one interface view, in which you can activate the
fiber or copper combo port, and configure other port attributes such as the interface rate and duplex
mode.
Configuration prerequisites
Before you configure combo interfaces, complete the following tasks:
• Determine the combo interfaces on your device by checking the product specifications and identify
the two physical interfaces that compose each combo interface.
Use the display interface command to determine whether the fiber port or copper port of the combo
•
interface is active. If the current port is the copper port, the output includes "Media type is twisted
"Configuring a Layer 3 Ethernet interface or
1
"Configuring a Layer
subinterface."