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Ethernet Interfaces Overview

This topic provides an overview of different types of Ethernet interfaces that supports ACX, MX, and PTX routers.

Ethernet Interfaces are networking Interfaces that provide traffic connectivity. You can configure physical Interfaces and logical Interfaces on your device. You can configure the speed of the Interface, limit the rate at which ingress traffic arrives on Fast-Ethernet ports, configure the Interface to operate in full-duplex or half-duplex mode, configure MAC address validation on static Ethernet Interfaces, and other basic configurations.

Juniper Supported Ethernet Interfaces

Juniper Networks routers support the following types of Ethernet interfaces:

  • Fast Ethernet

  • Tri-Rate Ethernet copper

  • Kilobits per second (Kbps)

  • Megabits per second (Mbps)

  • Gigabit Ethernet

  • Gigabit Ethernet intelligent queuing (IQ)

  • Gigabit Ethernet IQ2 and IQ2-E

  • 10-Gigabit Ethernet IQ2 and IQ2-E

  • 10-Gigabit Ethernet

  • 10-Gigabit Ethernet dense wavelength-division multiplexing (DWDM)

  • 25-Gigabit Ethernet

  • 40-Gigabit Ethernet

  • 100-Gigabit Ethernet

  • 200-Gigabit Ethernet

  • 400-Gigabit Ethernet

  • 800-Gigabit Ethernet

  • Management Ethernet interface, which is an out-of-band management interface within the router

  • Internal Ethernet interface, which connects the Routing Engine to the packet forwarding components

  • Aggregated Ethernet interface, a logical linkage of Fast Ethernet, Gigabit Ethernet, or 10-Gigabit Ethernet physical connections

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