Juniper has shipped Junos OS 23.2R1, the first release in the 23.2 train with extended support status. Here is the practical summary for anyone running MX, SRX or EX hardware.

Headline Features

  • MX: EVPN-VXLAN enhancements, improved MX204 CoS scaling and Junos Telemetry Interface streaming for more sensor paths.
  • SRX: inline intrusion detection improvements, faster session setup on SRX345/380.
  • EX/QFX: richer EVPN multihoming validation and PoE management updates on EX4400.

Security Advisories Closed in This Train

Several JSA advisories against mx-route and jdhcpd daemons are fixed in 23.2R1.

Upgrade-path tip: 22.4R3 to 23.2R1 is a supported single-step ISSU on most MX platforms with dual REs.

Should You Upgrade?

For production MX cores: wait for 23.2R1-S1 or the first maintainer build unless you need a specific fix. For labs and certification prep on vSRX/vMX: go now — the 23.2 CLI is what JNCIS-level exams will reflect next cycle.

Upgrade Command Refresher

request system software add /var/tmp/junos-vmhost-23.2R1.tgz reboot
show system snapshot media internal

Reader Next Steps

For a working OSPF underlay, see OSPF on MX. For lab topology for carrier-grade EVPN, see EVPN three-vendor interop. For SRX-specific workflow, see SRX zone firewall.