JUNOS 8.4 Network Interfaces Configuration Guide Techpubs Home Report an Error Collapse TOC Index Index of Commands Entire manual as PDF		About This Guide Objectives Audience Supported Routing Platforms Using the Indexes Using the Examples in This Manual Documentation Conventions List of Technical Publications Documentation Feedback Requesting Support Network Interfaces Configuration Statements [edit chassis] Hierarchy Level [edit interfaces] Hierarchy Level [edit logical-routers] Hierarchy Level [edit protocols connections] Hierarchy Level [edit protocols lacp] Hierarchy Level [edit protocols oam] Hierarchy Level [edit protocols ppp] Hierarchy Level [edit protocols vrrp] Hierarchy Level [edit system processes] Hierarchy Level Interfaces Overview Types of Interfaces Permanent Interfaces Transient Interfaces Services Interfaces Interface Encapsulations Interface Descriptors Interface Naming Physical Part of an Interface Name Logical Part of an Interface Name Separators in an Interface Name Channel Part of an Interface Name Interface Naming for a Routing Matrix Chassis Interface Naming Examples: Interface Naming How Interface Configurations Are Displayed Interface and Router Clock Sources Configuring an External Synchronization Interface Configuring Physical Interface Properties Specifying an Aggregated Interface Specifying a USB Modem Interface Specifying OC768-over-OC192 Mode Adding an Interface Description to the Configuration Example: Adding an Interface Description to the Configuration Configuring the Link Characteristics Configuring the Media MTU Configuring Interface Encapsulation Configuring the Encapsulation on a Physical Interface Encapsulation Capabilities Example: Configuring the Encapsulation on a Physical Interface Configuring the PPP Challenge Handshake Authentication Protocol Assigning an Access Profile to an Interface Configuring a Default CHAP Secret Configuring the Local Name Configuring Passive Mode Example: Configuring the PPP Challenge Handshake Authentication Protocol Configuring the PPP Password Authentication Protocol Assigning an Access Profile to an Interface Configuring the Local Name Configuring the Local Password Configuring Passive Mode Example: Configuring PAP Authentication Protocol Monitoring a PPP Session Tracing Operations of the pppd Process Configuring PPP Address and Control Field Compression Configuring the PPP Protocol Field Compression Configuring the Interface Speed Management Ethernet Interface on M-series and T-series Routing Platforms Gigabit Ethernet Interfaces on J-series Services Routers Fast Ethernet Interface SONET/SDH Interface Configuring Keepalives Configuring the Clock Source Configuring the Router as a DCE Configuring Receive and Transmit Leaky Bucket Properties Configuring Accounting for the Physical Interface Applying an Accounting Profile to the Physical Interface Example: Applying an Accounting Profile to the Physical Interface Interface Diagnostics Configuring Loopback Testing Interface Diagnostics Starting and Stopping a BERT Test Example: Configuring Bit Error Rate Testing Tracing Operations of an Individual Router Interface Damping Interface Transitions Configuring Multiservice Physical Interface Properties Enabling or Disabling SNMP Notifications on Physical Interfaces Disabling a Physical Interface Example: Disabling a Physical Interface Configuring Logical Interface Properties Specifying the Logical Interface Number Configuring Logical Router Interface Properties Example: Configuring Logical Router Interface Properties Adding a Logical Unit Description to the Configuration Configuring a Point-to-Point Connection Configuring a Multipoint Connection Configuring Accounting for the Logical Interface Applying an Accounting Profile to the Logical Interface Example: Applying an Accounting Profile to the Logical Interface Configuring the Interface Bandwidth Enabling or Disabling SNMP Notifications on Logical Interfaces Configuring Interface Encapsulation Configuring the Encapsulation on a Logical Interface Configuring the PPP Timer Configuring PPP CHAP Authentication Configuring PPP PAP Authentication Configuring a Default PAP Password Configuring the Local Name Configuring the Local Password Configuring Passive Mode Configuring Dynamic Call Admission Control Example: Configuring Dynamic CAC Disabling a Logical Interface Configuring Protocol Family and Address Interface Properties Configuring the Protocol Family IPv6 Introduction IPv4-to-IPv6 Transition Configuring VRRP Properties Configuring the Interface Address Configuring the IPv6 Address on an Interface Configuring IPCP Options Configuring an IP Address for an Interface Negotiating an IP Address Assignment from the Remote End Configuring an Interface to Be Unnumbered Assigning a Destination Profile to the Remote End Configuring LLC2 Options Configuring LLC2 Properties Configuring DLSw Ethernet Redundancy Using LLC2 Properties Example: Configuring LLC Options on an Interface Example: Configuring DLSw Ethernet Redundancy Configuring an Unnumbered Interface Configuring an Unnumbered Point-to-Point Interface Example: Configuring an Unnumbered Point-to-Point Interface Configuring an Unnumbered Ethernet Interface Configuring Static Routes on Unnumbered Ethernet Interfaces Restrictions for Configuring Unnumbered Ethernet Interfaces Example: Configuring an Unnumbered Ethernet Interface Example: Configuring an Unnumbered Ethernet Interface as the Next Hop for a Static Route Setting the Protocol MTU Disabling the Removal of Address and Control Bytes Disabling the Transmission of Redirect Messages on an Interface Configuring Default, Primary, and Preferred Addresses and Interfaces Configuring the Primary Interface for the Routing Platform Configuring the Primary Address for an Interface Configuring the Preferred Address for an Interface Applying Policers Applying Aggregate Policers Example: Applying Aggregate Policers Applying a Filter to an Interface Defining Interface Groups in Firewall Filters Filter-Based Forwarding on the Output Interface Example: Applying a Filter to an Interface Configuring Unicast RPF Configuring Unicast RPF Strict Mode Configuring Unicast RPF Loose Mode Unicast RPF and Default Routes Unicast RPF Behavior with a Default Route Unicast RPF Behavior Without a Default Route Unicast RPF with Routing Asymmetry Configuring Unicast RPF on a VPN Example: Configuring Unicast RPF on a VPN Example: Configuring Unicast RPF Enabling Source Class and Destination Class Usage Examples: Enabling Source Class and Destination Class Usage Configuring Circuit and Translational Cross-Connects Defining the Encapsulation for Switching Cross-Connects Configuring PPP or Cisco HDLC Circuits Configuring ATM Circuits Configuring Frame Relay Circuits Configuring Ethernet CCC Circuits Configuring Ethernet VLAN Circuits Defining the Connection for Switching Cross-Connects Configuring MPLS for Switching Cross-Connects Configuring IS-IS or MPLS Traffic for TCC Interfaces Examples: Configuring Switching Cross-Connects Configuring a CCC over Frame Relay Encapsulated Interfaces Configuring a TCC Configuring CCC over Aggregated Ethernet Configuring a Remote LSP CCC over Aggregated Ethernet Tracing Interface Operations Tracing Operations of an Individual Router Interface Tracing Operations of the Interface Process Configuring ATM Interfaces ATM1 Physical and Logical Configuration Hierarchies ATM2 IQ Physical and Logical Configuration Hierarchies Supported Features on ATM1 and ATM2 IQ Interfaces Configuring ATM Interfaces Configuring Communication with Directly Attached ATM Switches and Routers Example: Configuring Communication with Directly Attached ATM Switches and Routers Enabling ILMI for Cell Relay Example: Enabling ILMI for Cell Relay Enabling Passive Monitoring on ATM Interfaces Removing MPLS Labels from Incoming Packets Configuring the ATM PIC Type Example: Configuring the ATM PIC Type Configuring ATM Cell-Relay Promiscuous Mode Examples: Configuring ATM Cell-Relay Promiscuous Mode Configuring the Maximum Number of ATM1 VCs on a VP Configuring Layer 2 Circuit Transport Mode Examples: Configuring IQ Layer 2 Circuit Transport Mode Configuring Layer 2 Circuit Cell-Relay Promiscuous Mode Example: Configuring Layer 2 Circuit Cell-Relay Promiscuous Mode Configuring Layer 2 Circuit Trunk Mode Scheduling Example: Configuring Layer 2 Circuit Trunk Mode Scheduling Configuring CoS Queues in Layer 2 Circuit Trunk Mode Example: Configuring CoS Queues in Layer 2 Circuit Trunk Mode Configuring the Layer 2 Circuit Cell-Relay Cell Maximum Class-Based Cell Bundling Configuring the OAM F4 Cell Flows Defining Virtual Path Tunnels Configuring a Point-to-Point ATM1 or ATM2 IQ Connection Configuring a Point-to-Multipoint ATM1 or ATM2 IQ Connection Configuring a Multicast-Capable ATM1 or ATM2 IQ Connection Configuring Inverse ATM1 or ATM2 ARP Defining the ATM Traffic-Shaping Profile Configuring ATM CBR Configuring ATM2 IQ Real-Time VBR Configuring ATM VBR Specifying ATM1 Shaping Values Example: Specifying ATM1 Shaping Values Specifying ATM2 IQ Shaping Values Configuring the ATM1 Queue Length Configuring the ATM2 IQ EPD Threshold Example: Configuring the ATM2 IQ EPD Threshold Configuring Two EPD Thresholds per Queue Configuring the ATM2 IQ Transmission Weight Defining the ATM OAM F5 Loopback Cell Period Configuring the ATM OAM F5 Loopback Cell Threshold Configuring ATM Interface Encapsulation Configuring an ATM1 Cell-Relay Circuit Examples: Configuring an ATM1 Cell-Relay Circuit Configuring PPP over ATM2 Encapsulation Example: Configuring PPP over ATM2 IQ Encapsulation Configuring E3 and T3 Parameters on ATM Interfaces Configuring SONET/SDH Parameters on ATM Interfaces Configuring ATM2 IQ VC Tunnel CoS Components Configuring Linear RED Profiles Configuring an ATM Scheduler Map Enabling Eight Queues on ATM2 IQ Interfaces Example: Enabling Eight Queues on T-series and M320 Platforms Configuring VC CoS Mode Enabling the PLP Setting to Be Copied to the CLP Bit Configuring ATM CoS on the Logical Interface Example: Configuring ATM2 IQ VC Tunnel CoS Components Examples: Configuring ATM1 Interfaces Examples: Configuring ATM2 IQ Interfaces Configuring ATM-over-ADSL Interfaces Configuring ATM-over-SHDSL Interfaces Configuring ATM Mode on the PIM Configuring SHDSL Operating Mode on an ATM Physical Interface Configuring Encapsulation on the ATM Physical Interface Configuring Logical Interface Properties Example: Configuring an ATM-over-SHDSL Interface Verifying an ATM-over-SHDSL Interface Configuration Channelized Interfaces Overview Channelized Interface Capabilities Data-Link Connection Identifiers on Channelized Interfaces Clock Sources on Channelized Interfaces Channelized E1 and T1 PIM Properties Channelized IQ Interface Properties Structure of Channelized IQ PICs Configuring Channelized E1 Interfaces Configuring Channelized E1 IQ Interfaces Configuring E1 IQ Interfaces Configuring Fractional E1 IQ Interfaces Example: Configuring Fractional E1 IQ Interfaces Configuring NxDS0 IQ Interfaces Example: Configuring an NxDS0 IQ Interface Configuring Channelized E1 Interfaces Configuring Channelized E1 Interface Properties Example: Configuring Channelized E1 IQ Interfaces Example: Configuring Channelized E1 Interfaces Configuring Channelized E1 PRI and T1 PRI Interfaces Configuring a Clear Channel Configuring a Channelized T1/E1 Interface to Drop and Insert Time Slots Configuring Primary Rate Interfaces Allocating B-Channels for Dialout Configuring PRI Interfaces Example: Configuring a Channelized T1 Interface as Primary Rate Interface Configuring Channelized OC3 IQ Interfaces Partitions, OC Slices, Interface Types, and Time Slots Configuring a Clear Channel Configuring T3 IQ Interfaces Example: Configuring T3 IQ Interfaces Configuring T1 and NxDS0 Interfaces Examples: Configuring T1 and NxDS0 IQ Interfaces Setting Remote Loopback and Running BERT Tests on NxDS0 Interfaces Configuring Fractional T1 IQ Interfaces Example: Configuring Fractional T1 IQ Interfaces Configuring Link PIC Failover Configuring Channelized OC12 Interfaces Configuring Channelized OC12 IQ Interfaces (SONET Mode) Configuring an OC12 IQ Interface Configuring T3 IQ Interfaces Example: Configuring T3 IQ Interfaces Configuring OC3 IQ Interfaces Example: Configuring OC3 IQ Interfaces Configuring T1 IQ Interfaces Example: Configuring T1 IQ Interfaces Configuring NxDS0 IQ Interfaces Example: Configuring NxDS0 IQ Interfaces Configuring Fractional T1 IQ Interfaces Examples: Configuring Fractional T1 IQ Interfaces Configuring Channelized OC12 IQ Interfaces (SDH Mode) Configuring a Channelized OC12 IQ PIC for SDH Mode Configuring an Unpartitioned SDH (VC-4-4C) Interface Example: Configuring an Unpartitioned SDH (VC-4-4C) Interface Configuring SDH (VC-4) Interfaces Example: Configuring SDH (VC-4) Interfaces Configuring Channelized AU-4 Interfaces Example: Configuring Channelized AU-4 Interfaces Configuring T3 or Channelized T3 Interfaces Example: Configuring T3 or Channelized T3 Interfaces Configuring T1 or Channelized T1 Interfaces Example: Configuring T1 or Channelized T1 Interfaces Configuring NxDS0 IQ Interfaces Example: Configuring NxDS0 IQ Interfaces Configuring Channelized OC12 Interfaces Configuring Link PIC Failover Example: Configuring Channelized OC12 IQ Interfaces Example: Configuring Channelized OC12 Interfaces Configuring Channelized STM1 Interfaces Configuring Channelized STM1 IQ Interfaces Configuring an STM1 IQ Interface Configuring E1 IQ Interfaces Example: Configuring E1 IQ Interfaces Configuring Fractional E1 IQ Interfaces Example: Configuring Fractional E1 IQ Interfaces Configuring an NxDS0 IQ Interface Example: Configuring an NxDS0 IQ Interface Example: Configuring Channelized STM1 IQ Interfaces Configuring Channelized STM1 Interfaces Configuring Channelized STM1 Interface Properties Configuring Virtual Tributary Mapping of Channelized STM1 Interfaces Configuring Link PIC Failover Example: Configuring Channelized STM1 Interfaces Configuring Channelized T1 IQ Interfaces Configuring Channelized T1 IQ Interfaces Configuring T1 IQ Interfaces Configuring Fractional T1 IQ Interfaces Example: Configuring Fractional T1 IQ Interfaces Configuring NxDS0 IQ Interfaces Example: Configuring an NxDS0 IQ Interface Configuring Payload Loopback Configuring Channelized T1 Interface Properties Example: Configuring Channelized T1 IQ Interfaces Configuring Channelized T3 Interfaces Configuring Channelized T3 IQ Interfaces Configuring T3 IQ Interfaces Configuring T1 IQ Interfaces Example: Configuring T1 IQ Interfaces Configuring Fractional T1 IQ Interfaces Example: Configuring Fractional T1 IQ Interfaces Configuring an NxDS0 IQ Interface Example: Configuring an NxDS0 IQ Interface Configuring Channelized DS3-to-DS0 Interfaces Configuring Channelized DS3-to-DS1 Interfaces Example: Configuring Channelized T3 IQ Interfaces Examples: Configuring Channelized DS3-to-DS0 Interfaces Examples: Configuring Channelized DS3-to-DS1 Interfaces Configuring Discard Interfaces Configuring E1 Interfaces Configuring E1 BERT Properties Configuring the E1 Frame Checksum Configuring E1 Framing Configuring the E1 Idle Cycle Flag Configuring E1 Data Inversion Configuring E1 Loopback Capability Example: Configuring E1 Loopback Capability Configuring E1 Start and End Flags Configuring Fractional E1 Time Slots Example: Configuring Fractional E1 Time Slots Configuring E3 Interfaces Configuring E3 BERT Properties Configuring the E3 CSU Compatibility Mode Configuring the E3 Frame Checksum Configuring the E3 Idle Cycle Flag Configuring E3 Loopback Capability Example: Configuring E3 Loopback Capability Configuring E3 HDLC Payload Scrambling Configuring the E3 Start and End Flags Configuring E3 IQ Unframed Mode Configuring Ethernet Interfaces Configuring Ethernet Physical Interface Properties Configuring J-series Services Router Switching Interfaces Example: Configuring J-series Services Router Switching Interfaces MX-series Router Interface Identifiers Enabling Ethernet MAC Address Filtering Filtering Specific MAC Addresses Configuring Ethernet Loopback Capability Configuring Flow Control Configuring the Link Characteristics Configuring Gratuitous ARP Adjusting the ARP Aging Timer Configuring the Interface Speed Configuring the Ingress Rate Limit Configuring 802.1Q VLANs Enabling VLAN Tagging Configuring Single-Tag or Dual-Tag Framing Configuring Mixed Tagging Configuring Mixed Tagging Support for Untagged Packets Example: Configuring Mixed Tagging Example: Configuring Mixed Tagging to Support Untagged Packets Binding a VLAN ID to a Logical Interface Binding a VLAN ID Range to a Logical Interface Example: Binding a VLAN ID Range to a Logical Interface Configuring VLAN Encapsulation Example: Configuring VLAN Encapsulation on a Gigabit Ethernet Interface Example: Configuring VLAN Encapsulation on an Aggregated Ethernet Interface Configuring Extended VLAN Encapsulation Example: Configuring Extended VLAN Encapsulation on a Gigabit Ethernet Interface Example: Configuring Extended VLAN Encapsulation on an Aggregated Ethernet Interface Configuring Aggregated Ethernet Interfaces Configuring Ethernet Link Aggregation Configuring Aggregated Ethernet Link Protection Setting the Number of Aggregated Ethernet Interfaces on the Chassis Configuring Aggregated Ethernet LACP Configuring the LACP Interval Tracing LACP Operations Example: Configuring Aggregated Ethernet LACP Configuring Tagged Aggregated Ethernet Interfaces Configuring Untagged Aggregated Ethernet Interfaces Example: Configuring Untagged Aggregated Ethernet Interfaces Configuring Aggregated Ethernet Link Speed Configuring Aggregated Ethernet Minimum Links Stacking and Rewriting Gigabit Ethernet IQ VLAN Tags Configuring Frames with Particular TPIDs to Be Processed as Tagged Frames Configuring Stacked VLAN Tagging Configuring Dual VLAN Tags Configuring Inner and Outer TPIDs and VLAN IDs Stacking a VLAN Tag Removing a VLAN Tag Removing the Outer and Inner VLAN Tags Removing the Outer VLAN Tag and Rewriting the Inner VLAN Tag Stacking Two VLAN Tags Rewriting the VLAN Tag Rewriting a VLAN Tag and Adding a New Tag Rewriting the Inner and Outer VLAN Tags Examples: Stacking and Rewriting Gigabit Ethernet IQ VLAN Tags Configuring Layer-2 Bridging Interfaces Example: Configuring Layer 2 Bridging Interfaces Configuring TCC and Layer 2.5 Switching Configuring VLAN TCC Encapsulation Configuring Ethernet TCC Example: Configuring an Ethernet TCC or Extended VLAN TCC Configuring Static ARP Table Entries Example: Configuring Static ARP Table Entries Configuring Unrestricted Proxy ARP Enabling Passive Monitoring on Ethernet Interfaces Configuring IEEE 802.3ah OAM Link-Fault Management Enabling IEEE 802.3ah OAM Support Configuring Link Discovery Configuring the OAM PDU Interval Configuring the OAM PDU Threshold Configuring Remote Loopback Enabling Remote Loopback Support Disabling the Sending of Link Event TLVs Configuring Threshold Values for Fault Events Example: Configuring OAM Support Configuring IEEE 802.1ag OAM Connectivity-Fault Management Connectivity Fault Management Key Elements Continuity Check Protocol Creating the Maintenance Domain Configuring the Maintenance Domain Name Format Configuring the Maintenance Domain Level Creating the Maintenance Association Configuring the Maintenance Association Short Name Format Configuring the Continuity Check Configuring the Continuity Check Hold Interval Configuring the Continuity Check Interval Configuring the Continuity Check Loss Threshold Creating a Maintenance End Point Enabling Maintenance End Point Automatic Discovery Configuring the Maintenance End Point Direction Configuring the Maintenance End Point Interface Configuring the Maintenance End Point Priority Creating a Remote Maintenance End Point Configuring the Remote Maintenance End Point Action Profile Creating a Connectivity Fault Management Action Profile Configuring a CFM Action Profile Action Configuring a CFM Interface Down Action Profile Action Configuring VRRP Configuring Basic VRRP Support Configuring VRRP Authentication Configuring the Advertisement Interval for the VRRP Master Router Modifying the Advertisement Interval in Seconds Modifying the Advertisement Interval in Milliseconds Configuring a Backup Router to Preempt the Master Router Modifying the Preemption Hold-Time Value Configuring an Interface to Accept Packets Destined for the Virtual IP Address Configuring a Logical Interface to Be Tracked Tracing VRRP Operations Configuring the Silent Period Configuring Passive ARP Learning for Backup VRRP Routers Example: Configuring VRRP Configuring VRRP for IPv6 Configuring Basic VRRP inet6 Support Configuring the Advertisement Interval for the Master Router Configuring an Interface to Accept Packets Destined for the Virtual IP Address Configuring a Backup Router Example: Configuring VRRP for IPv6 Configuring Gigabit Ethernet Accounting and Policing Configuring Gigabit Ethernet Policers Configuring a Policer Specifying an Input Priority Map Specifying an Output Priority Map Applying a Policer Configuring MAC Address Filtering Example: Configuring Gigabit Ethernet Policers Configuring Gigabit Ethernet Two-Color and Tricolor Policers Configuring a Policer Applying a Policer Example: Configuring and Applying a Policer Configuring MAC Address Accounting Configuring Gigabit Ethernet Autonegotiation Configuring the Management Ethernet Interface Configuring the MAC Address on the Management Ethernet Interface Displaying the Internal Ethernet Interface Configuring the 10-Gigabit Ethernet DWDM Interface Wavelength Configuring 10-Gigabit Ethernet Framing Configuring 10-Gigabit Ethernet Notification of Link Down Alarm Example: Configuring Fast Ethernet Interfaces Example: Configuring Gigabit Ethernet Interfaces Example: Configuring Aggregated Ethernet Interfaces Example: Configuring Aggregated Ethernet Link Protection Configuring Frame Relay Configuring Frame Relay Interface Encapsulation Configuring the Frame Relay Encapsulation on a Physical Interface Example: Configuring the Encapsulation on a Physical Interface Configuring the Frame Relay Encapsulation on a Logical Interface Configuring Frame Relay Control Bit Translation Configuring the Media MTU Setting the Protocol MTU Configuring Frame Relay Keepalives Configuring Tunable Keepalives for Frame Relay LMI Configuring Inverse Frame Relay ARP Configuring the Router as a DCE Configuring Frame Relay DLCIs Configuring a Point-to-Point Frame Relay Connection Configuring a Point-to-Multipoint Frame Relay Connection Configuring a Multicast-Capable Frame Relay Connection Configuring ISDN Interfaces Configuring ISDN Physical Interface Properties Configuring an ISDN Interface to Screen Incoming Calls Configuring ISDN Logical Interface Properties Configuring an ISDN Dialer Interface as a Backup Interface Example: Configuring an ISDN Interface as the Backup Interface Applying the Dial-on-Demand Dialer Filter to the Dialer Interfaces Example: Applying the Dialer Filter Configuring Bandwidth on Demand Configuring the Dialer Interface Configuring the ISDN Interface Example: Configuring Bandwidth on Demand Configuring Dial-In and Callback Configuring Dial-In Disabling Dial-In Configuring Callback Example: Configuring Dial-In and Callback Configuring Dialer Watch Configuring the Dialer Interface Configuring the Physical Interface Example: Configuring Dialer Watch Disabling ISDN Processes Configuring the Loopback Interface Example: Configuring the Loopback Interface Configuring Point-to-Point Protocol over Ethernet PPPoE Overview PPPoE Interfaces Fast Ethernet Interface PPPoE Stages PPPoE Discovery Stage PPPoE Session Stage Optional CHAP Authentication Configuring PPPoE Setting the Appropriate Encapsulation on the Interface Configuring PPPoE Encapsulation on an Ethernet Interface Configuring PPPoE Encapsulation on an ATM-over-ADSL Interface Configuring a PPPoE Interface Example: Configuring a PPPoE Interface Verifying a PPPoE Configuration Configuring Serial Interfaces Configuring the Serial Line Protocol Serial Interface Default Settings EIA-530 Interface Default Settings V.35 Interface Default Settings X.21 Interface Default Settings Invalid Serial Interface Statements Invalid EIA-530 Interface Statements Invalid V.35 interface Statements Invalid X.21 Interface Statements Configuring the Serial Clocking Mode Inverting the Serial Interface Transmit Clock Configuring the DTE Clock Rate Configuring the Serial Idle Cycle Flag Configuring the Serial Signal Handling Configuring the Serial DTR Circuit Configuring Serial Signal Polarities Configuring Serial Loopback Capability Example: Configuring Serial Loopback Capability Configuring Serial Line Encoding Configuring SONET/SDH Interfaces Configuring SONET/SDH Physical Interface Properties Configuring SONET/SDH Framing Configuring SONET/SDH Interface Speed Configuring SONET/SDH Header Byte Values Configuring an Incrementing STM ID Configuring the SONET/SDH Frame Checksum Configuring Channelized IQ SONET/SDH Loop Timing Configuring SONET/SDH Loopback Capability Example: Configuring SONET/SDH Loopback Capability Configuring the SONET/SDH Path Trace Identifier Configuring SONET/SDH HDLC Payload Scrambling Configuring SONET/SDH RFC 2615 Support Configuring SONET/SDH Defect Triggers to Be Ignored Configuring SONET/SDH Defect Hold Times Example: Configuring SONET/SDH Defects to Be Ignored Configuring Virtual Tributary Mapping Configuring APS and MSP Configuring Basic APS Support Example: Configuring Basic APS Support Configuring Switching Between the Working and Protect Circuits Configuring Revertive Mode Configuring Unidirectional Switching Mode Support Configuring APS Timers Configuring Link PIC Redundancy Example: Configuring Link PIC Redundancy Configuring APS Load Sharing Between Circuit Pairs Example: Configuring APS Load Sharing Between Circuit Pairs Configuring SONET Options for 10-Gigabit Ethernet Interfaces Configuring the Media MTU Enabling Passive Monitoring on SONET/SDH Interfaces Removing MPLS Labels from Incoming Packets Configuring the Clock Source Configuring Receive and Transmit Leaky Bucket Properties Damping Interface Transitions Configuring Interface Encapsulation Configuring the Encapsulation on a Physical Interface Example: Configuring the Encapsulation on a Physical Interface Configuring the Encapsulation on a Logical Interface Example: Configuring SONET/SDH Interfaces Configuring Aggregated SONET/SDH Interfaces Configuring SONET/SDH Link Aggregation Configuring Aggregated SONET/SDH Link Speed Configuring Aggregated SONET/SDH Minimum Links Configuring Filters or Sampling on Aggregated SONET/SDH Links Examples: Configuring Filters or Sampling on Aggregated SONET/SDH Links Example: Configuring Aggregated SONET/SDH Interfaces Configuring T1 Interfaces Configuring T1 BERT Properties Configuring the T1 Buildout Configuring T1 Byte Encoding Configuring T1 Data Inversion Configuring the T1 Frame Checksum Configuring the T1 Remote Loopback Response Configuring T1 Framing Configuring T1 Line Encoding Configuring T1 Loopback Capability Configuring the T1 Idle Cycle Flag Configuring T1 Start and End Flags Configuring Fractional T1 Time Slots Example: Configuring Fractional T1 Time Slots Configuring T3 Interfaces Configuring T3 BERT Properties Disabling T3 C-Bit Parity Mode Configuring the T3 CSU Compatibility Mode Configuring the T3 Frame Checksum Configuring the T3 FEAC Response Configuring the T3 Idle Cycle Flag Configuring the T3 Line Buildout Configuring the Channelized T3 Loop Timing Configuring T3 Loopback Capability Configuring T3 HDLC Payload Scrambling Configuring T3 Start and End Flags Examples: Configuring T3 Interfaces Summary of Interface Configuration Statements 802.3ad accept-data accept-source-mac access-concentrator access-profile accounting accounting-profile acfc ack-delay-time ack-max acknowledge-retries acknowledge-timer action action-profile action-profile (Applying) action-profile (Defining) action-red-differential-delay activation-delay activation-priority address advertise-interval advertise-interval (APS) advertise-interval (DLSw) advertise-interval (VRRP) advertise-interval (VRRP with IPv6) aggregate aggregate (Gigabit Ethernet CoS Policer) aggregate (SONET/SDH) aggregate-ports aggregated-ether-options aggregated-sonet-options allow-any-vci allow-remote-loopback annex aps arp asynchronous-notification atm-encapsulation atm-options atm-scheduler-map authentication-key authentication-key (APS) authentication-key (VRRP) authentication-type auto-discovery auto-negotiation auto-negotiation (Gigabit Ethernet) auto-negotiation (J-series uPIM) auto-reconnect backup-destination backup-interface backup-options bandwidth bandwidth-limit bandwidth-threshold bchannel-allocation bearer-bandwidth-limit bert-algorithm bert-error-rate bert-period broadcast buildout buildout (E3 or T3 over ATM Interfaces) buildout (T1 Interfaces) bundle burst-size-limit byte-encoding bytes callback callback-wait-period caller calling-number cbit-parity cbr cell-bundle-size chap chap-secret cisco-interoperability classifier clear-dont-fragment-bit clocking clocking-mode clock-rate compatibility-mode compression compression (PPP Properties) compression (Voice Services) compression-device connections connectivity-fault-management continuity-check control-polarity control-signal copy-tos-to-outer-ip-header core-dump cts cts-polarity current data-input dcd dcd-polarity dce dce-options deactivation-delay default-action default-chap-secret default-pap-password description destination destination (DLSw) destination (IPCP) destination (Routing Instance) destination (Tunnels) destination-class-usage destination-profile dialer dialer-options dial-options dial-string direction disable disable-mlppp-inner-ppp-pfc dlci dlsw drop-timeout ds0-options dsl-options dsr dsr-polarity dte-options dtr dtr-circuit dtr-polarity dynamic-call-admission-control e1-options e3-options encapsulation encapsulation (Logical Interface) encapsulation (Physical Interface) encoding epd-threshold epd-threshold (Logical Interface) epd-threshold (Physical Interface) es-options ethernet ethernet-policer-profile ethernet-switch-profile event-thresholds eui-64 facility-override family fastether-options fast-interval fcs feac-loop-respond filter flexible-vlan-tagging flow-control f-max-period force forwarding-class forwarding-class (ATM2 IQ Scheduler Maps) forwarding-class (Gigabit Ethernet IQ Classifier) fragment-threshold frame-error frame-period frame-period-summary framing framing (E1, E3, and T1 Interfaces) framing (10-Gigabit Ethernet Interfaces) framing (SONET and SDH Interfaces) gigether-options gratuitous-arp-reply hello-timer high-plp-max-threshold high-plp-threshold hold-interval hold-time hold-time (APS) hold-time (DLSw) hold-time (Physical Interface) hold-time (SONET/SDH Defect Triggers) hold-time (VRRP) host idle-cycle-flag idle-time idle-timeout ieee802.1p ignore ignore-all ilmi inactivity-timeout incoming-called-number incoming-map indication indication-polarity ingress-rate-limit init-command-string initial-route-check inner-tag-protocol-id inner-vlan-id input input-list input-policer input-priority-map input-three-color input-vlan-map input-vlan-map (Gigabit Ethernet IQ) input-vlan-map (Aggregated Ethernet) interface interface (DLSw Ethernet Redundancy) interface (IEEE 802.1ag OAM Connectivity-Fault Management) interface (IEEE 802.3ah OAM Link-Fault Management) interface (in VRRP Group) interfaces interface-switch interface-type interleave-fragments interval inverse-arp invert-data ipsec-sa isdn-options keep-address-and-control keepalives key l2tp-interface-id lacp layer2-policer lcp-restart-timer level linear-red-profile linear-red-profiles line-encoding line-protocol line-rate link-discovery link-fault-management link-layer-overhead link-mode link-protection link-speed link-speed (Aggregated Ethernet) link-speed (Aggregated SONET/SDH) llc2 lmi