- Introduction
- Key Features in Junos OS Release 21.4
- play_arrow Junos OS Release Notes for cRPD
- play_arrow What's New
- play_arrow What's New in 21.4R1
- What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- play_arrow Junos OS Release Notes for cSRX
- play_arrow Junos OS Release Notes for EX Series
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for JRR Series
-
- play_arrow What's New
- What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- play_arrow Junos OS Release Notes for MX Series
- play_arrow What's New
- play_arrow What's New in 21.4R1
- Hardware
- Architecture
- Chassis
- EVPN
- High Availability
- IP Tunneling
- Junos Telemetry Interface (JTI)
- Layer 2 VPN
- Interfaces
- MPLS
- Multicast
- Network Address Translation (NAT)
- Operation, Administration, and Maintenance (OAM)
- Platform and Infrastructure
- Routing Protocols
- Source Packet Routing in Networking (SPRING) or Segment Routing
- Services Applications
- Software Defined Networking (SDN)
- Software Installation and Upgrade
- Subscriber Management and Services
- VPNs
- Additional Features
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for NFX Series
- play_arrow Junos OS Release Notes for PTX Series
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for QFX Series
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for SRX Series
- play_arrow What's New in 21.4R1
- Application Identification (AppID)
- Authentication and Access Control
- Chassis
- Chassis Cluster-specific
- Flow-Based and Packet-Based Processing
- Hardware
- J-Web
- Network Address Translation (NAT)
- Platform and Infrastructure
- Software Installation and Upgrade
- Unified Threat Management (UTM)
- Additional Features
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for vMX
- play_arrow Junos OS Release Notes for vRR
- play_arrow Junos OS Release Notes for vSRX
- play_arrow What's New in 21.4R1
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- Licensing
- Finding More Information
- Documentation Feedback
- Requesting Technical Support
- Revision History
Resolved Issues: 21.4R1
General Routing
On ACX5448 routers, the BFD session status goes in the
Init
state after the system reboots when you have both CFM and BFD configured on the system. PR1552235Packet buffer allocation failed messages might be generated when you use the scaled-CFM sessions with minimum DM or SLM cycle-time along with enhanced-sla-iterator. PR1574754
On ACX5448 routers, the asynchronous-notification for 1G interface fails. PR1580700
On ACX5448 routers, IPv4 traffic loss with packet size more than 1410 occurs. PR1584509
On ACX710 routers, PTP might get stuck and not function properly in a certain condition. PR1587990
On ACX710 and ACX5400 routers, traffic might get forwarded through the member links in the
Down
state after the new member links gets added to the aggregated Ethernet interface. PR1589168On ACX5448 routers, high DMR out of sequence with iterator configuration occurs. PR1596050
On ACX710 routers, the l2ald process generates core file at
l2ald_event_process_list_id
,l2ald_event_proc_all_lists
, andl2ald_event_periodic ()
at ../../../../../../src/junos/usr.sbin/l2ald/l2ald_event.c:757. PR1596908On ACX5448 and ACX710 routers, traffic drop in the EVPN VPWS flexible cross connect occurs. PR1598074
On ACX710 and ACX5448 routers, traffic loss might be observed if you modify drop-profiles. PR1598595
On ACX710 routers, the rpf-check-bytes,rpf-check-packets counters does not get updated properly to the flat file as expected. PR1600513
On ACX5448 and ACX710 routers, MACsec traffic over Layer 2 circuit might not work. PR1603534
On ACX5448 routers, FPC might restart when you execute the
show firewall
. PR1605288The optics_mts_010.robot script fails while verifying SNMP and matching the CLI values. PR1605348
On ACX5448 and ACX710 routers running DHCP, relay does not process packets arriving over MPLS. PR1605854
On ACX1100 routers, the FEB (Forwarding Engine Board) might crash. PR1606424
On ACX710 and ACX5448 routers, the DHCP packets might not be relayed. PR1608125
On ACX5096 routers, the pps traffic output appears on the deactivated interfaces. PR1608827
On ACX710 routers running Junos OS Release 21.2R1 and later might experience kernel crash. PR1608852
The routing protocol engine CPU becomes nonresponsive at 100 percent. PR1612387
Interface state gets reset after the Packet Forwarding Engine restarts. PR1613314
On ACX5448 routers, unknown SMART attributes for StorFly VSFBM6CC100G-JUN1 SSD might occur. PR1614068
On ACX5448 and ACX710 routers with Layer 3 VPN scenarios, error messages might be generated after multiple core link or protocol flaps. PR1621425
On ACX5448 routers, CFM does not appear to be in the
Ok
state after the router reboots. PR1602489On ACX5448 and ACX710 routers, traffic towards the CE device through the default route might be dropped in VRF. PR1611651
Traffic might get equally load-balanced irrespective of the scheduler configuration. PR1620137
Six to eight seconds of delay occurs when the receiver switches in between groups. PR1620685
Traffic does not get forwarded to one of the the single homed PE device after you change the VLAN-ID under the routing instance. PR1621036
On ACX5448 routers, the smartd configurations do not get applied. PR1623359