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    Protocols and Applications Supported by the MX240, MX480, MX960, MX2010, and MX2020 MPC5Es

    Table 1 contains the first Junos OS Release support for protocols and applications on the MX Series MPC5E. A dash indicates that the protocol or application is not supported.

    Table 1: Protocols and Applications Supported by MX Series MPC5Es

    Protocol or Application

    First Supported Junos OS Release

    Ethernet Ring Protection (ERP)


    Interface and Encapsulation Types

    Ethernet interfaces—1/100/1000, 1G, 10G

    ATM interfaces

    E1 interfaces

    T1 interfaces

    Circuit Emulation interfaces

    SONET/SDH interfaces

    Multi-chassis Link Aggregation

    Integrated routing and bridging for bridge domains (IRB)

    Flexible Ethernet Encapsulation

    Layer 3

    Static routes



    Border Gateway Protocol (BGP)

    Internet Control Message Protocol (ICMP)


    IPv6 Neighbor Discovery

    Address Resolution Protocol (ARP)

    Bidirectional Forwarding Detection protocol (BFD)

    Dynamic Host Configuration Protocol (DHCP)

    IP fast reroute (FRR) (OSPF, IS-IS)

    Internet Group Management Protocol (IGMP)

    Internet Group Management Protocol (IGMP) snooping

    Maximum transmission unit (1518, Jumbo Frames 9192)


    LDP (targeted and direct)

    Protocol Independent Multicast(PIM)

    MPLS, Virtual private LAN service (VPLS), VPNs

    Static Labeled-switched-paths (LSPs) including accounting, policers, and filtering


    Traffic Engineering

    DiffServ-Aware Traffic Engineering

    Ethernet Private Line (E-LINE), Ethernet transparent LAN (E-LAN), and E-Tree services

    Pseudowire Emulation Edge to Edge (PWE3 [signaled])

    Static Ethernet PWs

    Layer 2 Circuits

    IEEE 802.3ag CC monitoring on active and standby pseudowires

    Layer 2 VPNs (BGP Signaled)

    Layer 3 VPNs


    Edge protection using static Virtual Private Wire Service (VPWS)

    Ethernet Layer 2

    IEEE 802.3ah OAM Link-Fault Management

    IEEE 802.1ag OAM Connectivity Fault Management

    Spanning Tree Protocol

    802.1Q VLANs
    • VLAN stacking and rewriting
    • Channels defined by two stacked VLAN tags
    • Flexible VLAN tagging
    • IP service for nonstandard TPID and stacked VLAN tags

    QoS and Firewall

    Stateless Firewall Filter—family

    • inet
    • inet6
    • mpls
    • vpls
    • bridge
    • ccc/any

    Filter-Based Forwarding

    Class Based Forwarding

    Traffic Policing

    • per logical interface
    • per physical interface
    • per family

    Tricolor Marking Policers

    • Two-rate tricolor marking (TrTCM): color aware, color blind
    • Single-rate tricolor marking (SrTCM): color aware, color blind

    Host protection

    Eight queues per port

    Priority Scheduling

    Rate control

    Scheduling with two different priorities 

    Low-Latency Static Policers (LLQ)

    Weighted random early detection (WRED) drop profile (DP) 

    BA Classifiers

    • DSCP
    • DSCP for IPv6
    • IEEE 802.1p
    • IP precedence bits
    • MPLS EXP

    Rewriting Packet Header Information

    • DSCP
    • DSCP for IPv6
    • IEEE 802.1p
    • MPLS EXP
    • MPLS and DSCP to different values


    Precision Time Protocol (IEEE 1588v2 )

    Synchronous Ethernet

    Building-integrated timing supply (BITS)

    Clock synchronization

    Redundant clock (multiple 1588 masters)

    OAM, Troubleshooting, Manageability, Lawful Intercept


    Network Time Protocol (NTP)

    IEEE 802.3ag OAM Connectivity Fault Management

    IEEE 802.3ah OAM Link-Fault Management

    Ethernet Frame Delay Measurements (ITU-TY.1731)

    IEE802.1ag Port Status TLV and Interface Status TLV interface-status type, length, and value (TLV) support

    Distinguish each 802.1ag connection by VLAN-ID

    Ethernet Frame Loss Measurement(ITU-TY.1731)


    Traffic Sampling, Forwarding, and Monitoring

    • Domain Name System (DNS)
    • Trivial File Transfer Protocol (TFTP)
    • Port-Mirroring (local)

    Interface loopback

    Interface byte and packet stats

    Interface queue stats

    Drop packet stats

    Interface passive-monitor-mode

    Multipacket mirror


    TACACS+ Authentication

    RADIUS Authentication

    Control plane DOS prevention

    High Availability Features


    Graceful Routing Engine Switchover (GRES)

    Virtual Router Redundancy Protocol(VRRP)

    ATM Transport

    ATM Cell-Relay Pseudowire

    RFC4717 ATM encapsulation: S6.1 ATM N to one cell mode (required as per standard)

    Layer 2 Circuit AAL5 Transport Mode

    ATM PWE3 control word

    ATM PWE3 by means of dynamic labels

    ATM Cell Relay Pseudowire VPI/VCI Swapping

    ATM idle/unassigned cell suppression

    ATM support for N to 1 PW promiscuous mode: 1 PW per port and 1 PW per VPI

    Cell concatenation (1 to 30 cells per packet)

    Packet/byte counters per VP and VC

    Inverse multiplexing over ATM(ATM IMA)

    ATM Encapsulation

    Layer 2 Circuit AAL5 Transport Mode

    ATM Queuing

    ATM Traffic-Shaping Profile (CBR, nrt-VBR, UBR) to the UNI

    MAP ATM service categories to PW EXP bits 

    Input policing per VC

    VC output shaping

    Early packet discard


    Standard SNMP MIBs

    Juniper Networks Enterprise-Specific MIBs

    RMON Alarms and Events

    Traceroute MIB

    Two-way Active Measurement Protocol (TWAMP)

    TDM Pseudowire

    Structure-AgnosticTDM over Packet (SAToP)

    Setting the CESoPSN Options (CESoPSN)

    ATM Circuit Emulation over channelized T1 or E1

    Tunnel Services

    Published: 2014-05-05