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Interfaces Supported by the JUNOS Software

The JUNOS software supports a greater range of interfaces than those described in this book. Future revisions of this book will include the steps for monitoring additional interfaces supported by the JUNOS software. Table 1 lists the interface types supported by the JUNOS software and shows the interface name as it appears in a configuration.

Table 1: Interface Types Supported by the JUNOS Software

Interface Name in Configuration

Interface Type

Description

ae

Aggregated Ethernet

A virtual aggregated link.

as

Aggregated SONET/SDH

A virtual aggregated link.

at

ATM1 or ATM2 IQ

Asynchronous Transfer Mode

cau4

Channelized AU-4 IQ

Configured on the Channelized STM1 IQ PIC.

coc1

Channelized OC1 IQ

Configured on the Channelized OC12 IQ PIC.

coc12

Channelized OC12 IQ

Configured on the Channelized OC12 IQ PIC.

cstm1

Channelized STM1 IQ

Configured on the Channelized STM1 IQ PIC.

ce1

Channelized E1 IQ

Configured on the Channelized E1 IQ PIC or Channelized STM1 IQ PIC.

ct1

Channelized T1 IQ

Configured on the Channelized DS3 IQ PIC or Channelized OC12 IQ PIC.

ct3

Channelized T3 IQ

Configured on the Channelized DS3 IQ PIC or Channelized OC12 IQ PIC.

cp

Collector

Configured on the Monitoring Services II PIC.

ds

DS0

Configured on the Channelized DS3 to DS0 PIC, Channelized E1 PIC, Channelized OC12 IQ PIC, Channelized DS3 IQ PIC, Channelized E1 IQ PIC, or Channelized STM1 IQ PIC.

dsc

Discard

Allows you to identify the ingress point of a denial-of-service (DoS) attack.

e1

E1

Includes the channelized STM1 to E1 interfaces.

e3

E3

Includes the E3 IQ interfaces.

es

Encryption

Allows you to configure a security association (SA) name with a logical interface.

fe

Fast Ethernet

100Base-TX (Fast Ethernet, 100 Mbps).

fxp

Management and internal Ethernet

The management Ethernet interface is an out-of-band management interface within the routing platform. The internal Ethernet interface connects the Routing Engine to the Packet Forwarding Engine.

ge

Gigabit Ethernet

Includes Gigabit Ethernet IQ interfaces.

gr

Generic Route Encapsulation tunnel

Allows you to configure a unicast tunnel using GRE encapsulation.

gre

Internally generated

This interface is internally generated and is not configurable.

ipH

IP-over-IP encapsulation tunnel

Allows you to configure a unicast tunnel using IP-IP encapsulation.

ipip

Internally generated

This interface is internally generated and is not configurable.

lo

Loopback

This interface is internally generated. The logical interface lo0.16383 is a non-configurable interface for routing platform control traffic.

ls

Link services

Supports bundles that contain links.

lsi

Internally generated

This interface is internally generated and is not configurable.

ml

Multilink

Includes Multilink Frame Relay and Multilink PPP.

mo

Monitoring services

Includes the monitoring services and monitoring services II interfaces. The logical interface mo-fpc/pic/port .16383 is an internally generated, non-configurable interface for routing platform control traffic.

mt

Multicast tunnel

Internal routing platform interface for VPNs.

mtun

Internally generated

This interface is internally generated and is not configurable.

oc3

OC3 IQ

Configured on the Channelized OC12 IQ PIC.

pe

This interface is present on the first-hop routing platform

Encapsulates packets destined for the rendezvous point (RP) routing platform.

pd

This interface is present on the RP

De-encapsulates packets at the RP.

pimd

Internally generated

This interface is internally generated and is not configurable.

pime

Internally generated

This interface is internally generated and is not configurable.

se

Serial

Includes the EIA-530, V.35, and X.21 interfaces.

so

SONET/SDH

Both are widely used methods for very high speed transmission of voice and data signals across the numerous world-wide fiber-optic networks.

sp

Adaptive services

The logical interface sp- fpc/pic/port.16383 is an internally generated, non-configurable interface for routing platform control traffic.

t1

T1

Includes the channelized DS3 to DS1 interfaces.

t3

T3

Includes the channelized OC12 to DS3 interfaces.

tap

Internally generated

This interface is internally generated and is not configurable.

vsp

Voice services

The Adaptive Services (AS) Physical Interface Card (PIC) supports the compressed real-time transport protocol (RTP) on this interface.

vt

Virtual loopback tunnel

On routing platforms equipped with a Tunnel PIC, enables egress filtering.


Published: 2010-01-29

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