Specifications

Infrastructure
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On RE-S-1800 family of Routing Engines, after an intensive writing to SSD, the
immediate rebooting might cause SSD to corrupt. PR937774
Interfaces and Chassis
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The Packet Forwarding Engine alarms raised by PFEMAN thread using cmalarm api
calls will not be transmitted to the Routing Engine. As impact, these alarms will not
reflect on the Routing Engine. There is no impact on functionality, otherwise. PR921254
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Traffic that uses MPLS next-hops enters bridge-domain via IRB interface and if
forwarding next-hop moves from non-aggregate interface to aggregate interface (MAC
move), the MPLS next-hops are not correctly programmed in the Packet Forwarding
Engine and are dropped. The child next-hop of the aggregate interfaces are missing.
Once IRB MPLS next-hop moves from aggregate interface to non-aggregate interfaces
are not affected. IPv4 traffic will not trigger traffic drop upon mac move. The second
symptom is a possible kernel core-dump on the new backup Routing-Engine after
mastership switch. This applies to an IRB mac move for ipv4,ipv6 and mpls next-hops.
PR924015
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"Too many I2C Failures" alarm happens when a FRU (in this case:
PWR-MX960-4100-AC-S) experienced six consecutive i2c read/write failures. While
the PEM is still providing power to the chassis, the chassisd daemon cannot read/write
information from the PEM until it is reseated. In recent investigation, engineering team
has come up some enhancements for this MX960 HC AC PEM: 1. PEM i2c bus hang
avoidance 2. Junos OS recovery from a hung i2c bus 3. noise reduction This Junos OS
eliminates the need for the PEM FW upgrade, and at the same time is 100% compatible
with those PEMs which have been upgraded. PR928861
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Traffic is not flowing over Demux input interface A technical description can be found
in the Knowledge Base: http://kb.juniper.net/KB28821. PR937035
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PCS statistics counter(Bit errors/Errored blocks) not working on Mammoth PIC(xge).
PR942719
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Digital Optical Monitoring MIB jnxDomCurrentRxLaserPower gives wrong value in
12.3R3-S6. PR946758
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When Connectivity Fault Management (CFM) is configured, if maintenance domain
intermediate point (MIP) session associated with default maintenance domain (MD)
is inactive, a deletion of the interface cannot delete the MIP session structure, hence
might causing memory leak. This crash could also be seen if delete more than one
Virtual private LAN service (VPLS) routing instance with no neighbor configuration.
PR947499
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When transit traffic of Ethernet frames of size less than 64 bytes is received by 1x
10GE(LAN/WAN) IQ2E PIC, the router forwards the frames instead of dropping them.
PR954996
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Before the problem was fixed, the CLI "show interfaces et-x/x/x extensive” did not give
full information. PR956497
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Resolved Issues