Release Notes: Junos® OS Release 21.4R1
SUPPORTED PLATFORMS
ACX Series, cRPD, cSRX, EX Series, JRR Series, Juniper Secure Connect, Junos Fusion, MX Series, NFX Series, PTX Series, QFX Series, SRX Series, vMX, vRR, and vSRX
KEY FEATURES
- Refer to Key Features in Junos OS Release 21.4 to quickly learn about the most important Junos OS features and how you can deploy them in your network.
HARDWARE HIGHLIGHTS
SOFTWARE HIGHLIGHTS
- Interconnecting an EVPN-VXLAN Data Center with EVPN-MPLS in WAN using Inter-AS without a Logical Tunnel interface (MX-Series-All, EX9200, EX9252, EX9253)
- Hybrid Mode (SyncE and PTP) over LAG supports PTPoIPv4 and PTPoE (MX204 and MX10003)
- Support for UPF N9 Uplink Classifier (MX240, MX480, MX960)
- Support for GeoIP Filtering, Global Allowlist, and Global Blocklist (MX240, MX480, and MX960 routers )
- Support for Precision Time Protocol (PTP) over Ethernet in hybrid mode over link aggregation group (LAG) (MX10008 with JNP10K-LC2101 MPC line card)
- DHCP relay in an EVPN-VXLAN fabric with an IPv6 underlay (QFX5120-32C, QFX5120-48T, QFX5120-48Y, QFX10002, QFX10008, and QFX10016)
- EVPN-VXLAN fabric with an IPv6 underlay (QFX5120-32C, QFX5120-48T, QFX5120-48Y, QFX5120-48YM, QFX10002, QFX10008, and QFX10016)
- Inband Flow Analyzer (IFA) 2.0 (QFX5120-48Y and QFX5120-32C)
- Support for firewall filters on EVPN-VXLAN with IPv6 underlays (QFX5120-32C, QFX5120-48T, QFX5120-48Y, and QFX5120-48YM)
- Increase in AC redundancy mode to 2+2 for high capacity high line PEMs (SRX5400)
- Enhancements to source NAT pool IP address range and NAT pool name character length (SRX Series and MX-SPC3)
- UTM Content Filtering Based on File Content (SRX Series and vSRX)
- Support for FPC major alarm (SRX5400, SRX5600, and SRX5800)
- Support for FAT flow (SRX4100, SRX4200, SRX4600, SRX5400, SRX5600, SRX5800, and vSRX 3.0)
- EVPN-VXLAN additional features