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Additional Features

We've extended support for the following features to these platforms.

  • Avoid microloops in IS-IS segment routing MPLS networks (PTX Series)—Starting in Junos OS Evolved Release 21.4R1, you can enable post-convergence path calculation on a device to avoid microloops between network devices.

    {See Understanding Microloop Avoidance}.]

  • BGP and statically configured SR-TE traffic statistics sensor support for JTI (PTX10001-36MR, PTX10004, PTX10008, and PTX10016)

    [See Guidelines for gRPC and gNMI Sensors (Junos Telemetry Interface), Understanding OpenConfig and gRPC on Junos Telemetry Interface, and source-packet-routing .]

  • Forwarding information base (FIB) sensor support on JTI (PTX10001-36MR, PTX10004, PTX10008, and PTX10016)

    [See Telemetry Sensor Explorer.]

  • Forwarding information base (FIB) sensor support on JTI (PTX10001-36MR, PTX10003, PTX10004, PTX10008, and PTX10016)—Use JTI and gRPC services to stream or export ON_CHANGE FIB (also known as forwarding table) statistics from routers to outside collectors. This feature supports the OpenConfig YANG model OC-AFT.

    [See Telemetry Sensor Explorer.]

  • GPS and BITS interface support (PTX10008)—

    • 10MHz clock input and output support
    • BITS input and output on T1/E1 framed and 2.048MHz unframed clock input

    [See Centralized Clocking Overview.]

  • ICMPv6 and ARP statistics support for Junos OS Evolved platforms (PTX10001-36MR, PTX10003, PTX10004, PTX10008, PTX10016, QFX5700)—The existing ARP and ICMPv6 statistics reports are enhanced to support the following statistics.
    • ARP
      • Proxy requests
      • Requests dropped on entry
      • Number of arp packets dropped as nexthop allocation failed
    • ICMPv6
      • Output histogram—unreach, echo request, echo reply, neighbor solicitation, neighbor advertisement, router solicitation, and router advertisement details
      • Input histogram—unreach, echo request, echo reply, neighbor solicitation, neighbor advertisement, router solicitation, and router advertisement details
      • messages with bad code fields, messages < minimum length, bad checksums, messages with bad length
      • message responses generated, messages with too many ND options, current public ND nexthops present
      • [See show system statistics arp and show system statistics icmp6]

  • IPsec support for OSPFv2 and OSPFv3 (ACX7100-32C, ACX7100-48L, PTX10001-36MR, PTX10003, PTX10008, PTX10016, QFX5130-48C, and QFX5220)

    [See Overview of IPsec, Configuring OSPF Authentication, and Configuring IPsec Security Associations.]

  • LACP minimum link with sync reset and micro BFD configuration support (PTX10001-36MR, PTX10003, PTX10004, PTX10008, and PTX10016)

    [See Configuration Guidelines for Micro-BFD Sessions.]

  • MACsec fallback preshared key (PSK) and timer-based SAK refresh (PTX10001-36MR and PTX100016)

    [See Configuring MACsec with Fallback PSK.]

  • New firewall filter feature: shared-bandwidth and percentage policers on the BT chip (PTX10003)

    [See Configuring the Filter Profile.]

  • Packet Forwarding Engine restart (PTX10003-80C and PTX10003-160C):

    • GRE tunnel encapsulation and de-encapsulation

    • Unicast RPF

    [See Powering Off Packet Forwarding Engines .]

  • Physical Ethernet Interface sensor support on JTI (PTX10001-36MR, PTX10004, PTX10008, and PTX10016)

    [See Telemetry Sensor Explorer.]

  • SNMP support for LACP and LAG MIB objects (PTX10001-36MR, PTX10008, and PTX10016)

    [See Enterprise-Specific MIBs for Junos OS Evolved and SNMP MIB Explorer.]

  • Support for Application Specific Link Attributes (ASLA) for flexible algorithms (PTX10001-36MR, PTX10008, PTX10016): IS-IS supports advertising different te-metric and admin-groups for RSVP and flexible algorithm on the same link using flexible-algorithm specific ASLA as defined in RFC 8919.

    [See Understanding IS-IS Flexible Algorithms for Segment Routing .]

  • Support for disable, offline and restart of individual PFEs with error log and action, using request chassis pfe and set chassis fpc commands for specific line cards (PTX10K-LC1202-36MR) on PTX series devices.

    [See request chassis fabric pfe and fpc (PTX Series Routers).]

  • Support for EVPN Type 5 routes for Layer 2 and Layer 3 VXLAN gateways with overlay load balancing in an EVPN-VXLAN network (PTX10001-36MR, PTX10004, and PTX10008)

    [See Understanding EVPN Pure Type-5 Routes and EVPN Type-5 Route with VXLAN encapsulation for EVPN-VXLAN.]

  • Support for G.8275.1 profile, Precision Time Protocol over Ethernet encapsulation, and Hybrid mode (PTX10008)

    [See G.8275.1 Telecom Profile, Guidelines for Configure PTP over Ethernet, and Hybrid Mode Overview.]

  • Support for inner VLAN transparency (PTX10001-36MR, PTX10004, PTX10008, and PTX10016)

    We support the pop/push/swap/pop-pop/pop-swap/swap-push/push-push/swap-swap operations on port-based and VLAN-based Metro Ethernet Forum (MEF) L2 services. VLAN transparency refers to preserving inner VLANs in the packet that are not subject to manipulation and are not used for forwarding. Based on the scenarios, VLAN transparency works on up to four VLAN tags on Express4 ASICs.

    [See Understanding VLAN Manipulation (Normalization and VLAN Mapping) on Ethernet Services.]

  • Support for MIB accounting profiles (PTX10001-36MR, PTX10004, PTX10008, PTX10016, and QFX5220)

    [See Accounting Profiles: An Alternative to SNMP Statistics.]

  • Support for PIM multicast features on Layer 2 IRB interface (PTX10001-36MR and PTX10004)

    [See Multicast Routing Protocols.]

  • Supported transceivers, optical interfaces, and DAC cables (ACX Series, PTX Series, and QFX Series)—Select your product in the Hardware Compatibility Tool to view supported transceivers, optical interfaces, and DAC cables for your platform or interface module. We update the HCT and provide the first supported release information when the optic becomes available.

  • Telemetry stream path resolution by MPLS and RSVP interfaces (PTX10001-36MR, PTX10004, PTX10008, and PTX10016)

    [See Telemetry Sensor Explorer.]

  • VRRP support (PTX10001-36MR, PTX10003, PTX10004, and PTX10008): Support for advertisement interval at 1 second and interworking of VRRP version 2 and VRRP version 3.

    • VRRP active inheritance support

    • VRRP tracked routes and tracked interfaces

    • VRRP support for IPv4 and IPv6

    • VRRP support at physical, aggregated Ethernet, and IRB IFL-level interfaces

    • VRRP support over the single tagged interface

    • VRRP support in centralized and delegated mode

    [See Understanding VRRP .]