TechLibrary

Documentation Quick Links

Table of Contents

Logical Interfaces

Junos OS Network Interfaces Library for Routing Devices

Overview
Configuration
Administration
Troubleshooting

Logical Interfaces
Logical Interfaces Configuration Properties Overview

Overview
Logical Interfaces
Logical Interfaces Configuration Properties Overview

Logical Interfaces
Logical Interfaces Configuration Statements Logical Interfaces Statements List Specifying the Logical Interface Number Adding a Logical Unit Description to the Configuration Enabling or Disabling SNMP Notifications on Logical Interfaces Configuring Logical System Interface Properties Configuring a Point-to-Point Connection Configuring a Multipoint Connection Configuring Accounting for the Logical Interface Configuring the Interface Bandwidth Configuring Interface Encapsulation on Logical Interfaces Configuring the LCP Configure-Request Maximum Sent Configuring the NCP Configure-Request Maximum Sent Configuring the PPP Restart Timers Configuring the PPP Clear Loop Detected Timer Configuring Dynamic Profiles for PPP Configuring PPP CHAP Authentication Configuring PPP PAP Authentication Configuring Dynamic Call Admission Control Disabling a Logical Interface

Logical Interfaces

Logical Interfaces Configuration Statements

Logical Interfaces Statements List

Specifying the Logical Interface Number

Adding a Logical Unit Description to the Configuration

Enabling or Disabling SNMP Notifications on Logical Interfaces

Configuring Logical System Interface Properties

Configuring a Point-to-Point Connection

Configuring a Multipoint Connection

Configuring Accounting for the Logical Interface

Configuring the Interface Bandwidth

Configuring Interface Encapsulation on Logical Interfaces

Configuring the LCP Configure-Request Maximum Sent

Configuring the NCP Configure-Request Maximum Sent

Configuring the PPP Restart Timers

Configuring the PPP Clear Loop Detected Timer

Configuring Dynamic Profiles for PPP

Configuring PPP CHAP Authentication

Configuring PPP PAP Authentication

Configuring Dynamic Call Admission Control

Disabling a Logical Interface

Network Interfaces Configuration Statements and Hierarchy
[edit interfaces] Hierarchy Level [edit logical-systems] Hierarchy Level [edit protocols connections] Hierarchy Level [edit protocols dot1x] Hierarchy Level [edit protocols iccp] Hierarchy Level [edit protocols lacp] Hierarchy Level [edit protocols oam] Hierarchy Level [edit protocols ppp] Hierarchy Level [edit protocols pppoe] Hierarchy Level [edit protocols protection-group] Hierarchy Level [edit protocols vrrp] Hierarchy Level [edit system processes] Hierarchy Level

Network Interfaces Configuration Statements and Hierarchy

[edit interfaces] Hierarchy Level

[edit logical-systems] Hierarchy Level

[edit protocols connections] Hierarchy Level

[edit protocols dot1x] Hierarchy Level

[edit protocols iccp] Hierarchy Level

[edit protocols lacp] Hierarchy Level

[edit protocols oam] Hierarchy Level

[edit protocols ppp] Hierarchy Level

[edit protocols pppoe] Hierarchy Level

[edit protocols protection-group] Hierarchy Level

[edit protocols vrrp] Hierarchy Level

[edit system processes] Hierarchy Level

Statement Summary
accept-source-mac access-concentrator access-profile accounting accounting-profile acfc activation-delay activation-priority allow-any-vci atm-scheduler-map auto-reconnect backup-destination backup-options bandwidth (Interfaces) bearer-bandwidth-limit callback callback-wait-period caller cbr cell-bundle-size chap clear-dont-fragment-bit client compression (Voice Services) compression (PPP Properties) copy-tos-to-outer-ip-header deactivation-delay default-chap-secret default-pap-password demux-destination (Underlying Interface) demux-options (Static Interface) demux-source (Underlying Interface) description (Interfaces) destination (Tunnels) destination (Routing Instance) interface (Port Mirroring) dial-string dialer-options disable (Interface) disable-mlppp-inner-ppp-pfc dlci drop-timeout dynamic-call-admission-control dynamic-profile (PPP) encapsulation (Logical Interface) epd-threshold (Physical Interface) family fast-aps-switch filter f-max-period fragment-threshold idle-timeout incoming-map initial-route-check inner-tag-protocol-id inner-vlan-id inner-vlan-id-range input-policer input-three-color input-vlan-map (Gigabit Ethernet IQ, 10-Gigabit Ethernet SFPP, 10-Gigabit Ethernet SFP, and 100-Gigabit Ethernet Type 5 PIC with CFP) interleave-fragments inverse-arp key layer2-policer lcp-max-conf-req lcp-restart-timer link-layer-overhead load-interval load-threshold local-name local-password loopback-clear-timer mac-address (Accept Source Mac) minimum-links mrru multicast-dlci multicast-vci multilink-max-classes multipoint ncp-max-conf-req ncp-restart-timer oam-liveness oam-period output-policer output-three-color output-vlan-map (Gigabit Ethernet IQ, 10-Gigabit Ethernet with SFPP, 10-Gigabit Ethernet SFP, and 100-Gigabit Ethernet Type 5 PIC with CFP) pap passive (PAP) passive-monitor-mode peer-unit pfc plp1 plp-to-clp point-to-point policer (CoS) pool pop pop-pop pop-swap port ppp-options proxy-arp push push-push queue-length queues redial-delay routing-instance rtp rtvbr server service-domain service-name shaping short-sequence source swap swap-push swap-swap tag-protocol-id (TPID to Rewrite) transmit-weight (ATM2 IQ Virtual Circuit) traps trunk-bandwidth trunk-id ttl tunnel underlying-interface unit vbr vci vci-range vlan-id (VLAN ID to Rewrite) vlan-id-range vlan-tags (Stacked VLAN Tags) vpi (Logical Interface and Interworking) watch-list

Statement Summary

bandwidth (Interfaces)

bearer-bandwidth-limit

clear-dont-fragment-bit

client

compression (Voice Services)

compression (PPP Properties)

copy-tos-to-outer-ip-header

deactivation-delay

default-chap-secret

default-pap-password

demux-destination (Underlying Interface)

demux-options (Static Interface)

demux-source (Underlying Interface)

description (Interfaces)

destination (Tunnels)

destination (Routing Instance)

interface (Port Mirroring)

dial-string

dialer-options

disable (Interface)

disable-mlppp-inner-ppp-pfc

dlci

drop-timeout

dynamic-call-admission-control

dynamic-profile (PPP)

encapsulation (Logical Interface)

epd-threshold (Physical Interface)

inner-tag-protocol-id

input-vlan-map (Gigabit Ethernet IQ, 10-Gigabit Ethernet SFPP, 10-Gigabit Ethernet SFP, and 100-Gigabit Ethernet Type 5 PIC with CFP)

mac-address (Accept Source Mac)

multilink-max-classes

output-vlan-map (Gigabit Ethernet IQ, 10-Gigabit Ethernet with SFPP, 10-Gigabit Ethernet SFP, and 100-Gigabit Ethernet Type 5 PIC with CFP)

tag-protocol-id (TPID to Rewrite)

transmit-weight (ATM2 IQ Virtual Circuit)

vlan-id (VLAN ID to Rewrite)

vlan-id-range

vlan-tags (Stacked VLAN Tags)

vpi (Logical Interface and Interworking)

watch-list

Monitoring Commands
show interfaces (10-Gigabit Ethernet) show interfaces (ATM) show interfaces (ATM-over-ADSL) show interfaces (ATM-over-SHDSL) show interfaces (Channelized DS3-to-DS0) show interfaces (Channelized DS3-to-DS1) show interfaces (Channelized E1 IQ) show interfaces (Channelized E1) show interfaces (Channelized OC12 IQ and IQE) show interfaces (Channelized OC12) show interfaces (Channelized OC3 IQ and IQE) show interfaces (Channelized STM1 IQ) show interfaces (Channelized STM1) show interfaces (Channelized T1 IQ) show interfaces (Channelized T3 IQ) show interfaces (Discard) show interfaces (Fast Ethernet) show interfaces (Gigabit Ethernet) show interfaces (ISDN B-Channel) show interfaces (ISDN BRI) show interfaces (ISDN D-channel) show interfaces (ISDN Dialer) show interfaces (M Series and T Series Routers, and PTX Series Packet Transport Routers Management and Internal Ethernet) show interfaces (SONET/SDH) show interfaces (Serial) show interfaces (T1, E1, or DS) show interfaces (T3 or E3)

Monitoring Commands

show interfaces (10-Gigabit Ethernet)

show interfaces (ATM)

show interfaces (ATM-over-ADSL)

show interfaces (ATM-over-SHDSL)

show interfaces (Channelized DS3-to-DS0)

show interfaces (Channelized DS3-to-DS1)

show interfaces (Channelized E1 IQ)

show interfaces (Channelized E1)

show interfaces (Channelized OC12 IQ and IQE)

show interfaces (Channelized OC12)

show interfaces (Channelized OC3 IQ and IQE)