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Ethernet Interfaces Overview

Ethernet was developed in the early 1970s at the Xerox Palo Alto Research Center (PARC) as a data-link control layer protocol for interconnecting computers. It was first widely used at 10 megabits per second (Mbps) over coaxial cables and later over unshielded twisted pairs using 10Base-T. More recently, 100Base-TX (Fast Ethernet, 100 Mbps), Gigabit Ethernet (1 gigabit per second [Gbps]), 10-Gigabit Ethernet (10 Gbps), and 100-Gigabit Ethernet (100 Gbps) have become available.

Juniper Networks routers support the following types of Ethernet interfaces:

  • Fast Ethernet
  • Tri-Rate Ethernet copper
  • 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)
  • 100-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
 

Related Documentation

 

Published: 2012-12-11

 

Related Documentation

 

Published: 2012-12-11