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Application Identification (AppID)

  • First-packet classification in advanced policy-based routing (APBR) (NFX Series, SRX Series, and vSRX)—Starting in Junos OS Release 21.3R1, APBR uses first-packet classification to identify applications in network traffic. APBR identifies applications by examining the very first packet in the traffic flow and then applies application-specific rules to forward the traffic.

    With first-packet classification, you can steer the traffic accurately and efficiently over the network, optimizing network link utilization and boosting the performance.

    See [Advanced Policy-Based Routing Overview.]

  • IPv6 address support in application quality of experience (AppQoE) (NFX150, NFX250, NFX350, SRX300, SRX320, SRX340, SRX345, SRX380, SRX550M, SRX1500, SRX4100, SRX4200, SRX4600, and vSRX)—Starting in Junos OS Release 21.3R1, you can use IPv6 addresses in AppQoE configurations. The support includes:

    • IPv6 address in overlay path configuration
    • Active probing sessions using IPv6 addresses as source and destination address.
    • IPv4 and IPv6 traffic from the client side
    • Dual stacking of IPv4 and IPv6 on the LAN side
    • IPv6 address on the LAN side for SaaS (software as a service) probing

    See [Application Quality of Experience.]

  • IPv6 traffic for application-based multipath routing (NFX150, NFX250, NFX350, SRX300, SRX320, SRX340, SRX345, SRX380, SRX550M, SRX1500, SRX4100, SRX4200, SRX4600, and vSRX)—Starting in Junos OS Release 21.2R1, we support application-based multipath routing in the following IPv6 use cases:
    • IPv6 traffic over IPv6 tunnels
    • Application-based multipath routing over direct IPsec tunnels without GRE for IPv6 traffic
    • Application-based multipath routing over direct GRE tunnels without IPsec for IPv6 traffic
    • Application-based multipath routing over MPLS-over-GRE-over-IPsec for IPv6 traffic

    See [ Application-Based Multipath Routing.]