The 'Voltage Fail Shutdown' message is reported into the system message file for the M320 routing platform if the indicated device in the syslog message has or is about to undergo a reset or is improperly grounded causing the FRU to go offline. This article documents an approach to troubleshoot this problem. The Voltage Fail Shutdown event occurs when M320 equipment which is … [Read more...]
SNMP statistics for interfaces not clearing after they are cleared
Interface statistics are not clearing via SNMP even though they are showing zeros under the show interface extensive. For all JUNOS platform, the interfaces statistics are not clearing via snmp after they are clear from the cli. Please take a look to the following outputs, Topology: Mx480(ge-5/2/0.0).1 --------------.2 (ge3/0/1.0)m120 - Addressing: 10.10.10/30 OID: … [Read more...]
PFE: SDRAM ECC Error
The PFE: SDRAM ECC Error message is reported in the system message file, whenever a SDRAM ECC error is detected by a system component (for example, FPC). This article provides a method to to troubleshoot this issue. The PFE: SDRAM ECC error message is logged, whenever a SDRAM ECC error is detected by a PFE. This article describes the symptoms, possible causes and … [Read more...]
CHASSISD_ISSU_ERROR
The chassisd process (chassisd) encountered an error during the In Service Software Upgrade (ISSU) Process. When a CHASSISD_ISSU_ERROR event occurs, a message similar to the following is reported: chassisd[1179]: CHASSISD_ISSU_ERROR: Daemon ISSU Abort -1(NSR sync not complete: PIM) chassisd[6511]: CHASSISD_ISSU_ERROR: Daemon ISSU Abort -1(chassisd … [Read more...]
PFE: Packet drop in Ichip
The I-chip packet writer drop counter is incrementing, possibly indicating packet drops which might, but not necessarily, be due to a faulty switching board. The Packet drop in Ichip message is logged when the I-chip is reporting dropped packets. Unless there is an actual impact to traffic, these messages are harmless and can be ignored. When the I-chip on the … [Read more...]
SRCHIP[(].[)]: (%PFE-.*: )?RKME int_status1 ox100
RKME is a key match engine located in the FPC SRCHIP/RCHIP hardware. The RKME engine received the 'interrupt shown' error. When an RKME event occurs, a message similar to the following is reported: fpc0 SRCHIP(1): RKME int_status1 0x100 fpc4 SRCHIP(0): %PFE-3: RKME int_status1 0x100 The cause could be due to poor link quality on one of the FPC transit traffic … [Read more...]
RPD_OSPF_NBRDOWN
RPD_OSPF_NBRDOWN An OSPF adjacency with the indicated neighboring router was terminated. The local router no longer exchanges routing information with, or directs traffic to, the neighboring router. This message is generated by the routing protocol process (rpd) which controls the routing protocols that run on the router. The RPD_OSPF_NBRDOWN message is logged each time an … [Read more...]
How to distinguish Tx and Rx lockup status on em0 interface
The em0 interface is supposed to be 'UP' all the time because it provides the communication channel between the Routing Engine (RE) and Packet Forwarding Engines (PFEs); however, in a certain condition the link status will be changed to 'DOWN'. When EM0 is marked as 'DOWN' it can cause the following issues. Chassis Cluster failover Chassis Cluster failover of Data … [Read more...]
10GbE/100GbE Link Fault Signaling(LFS) syslog indication for various card types
10GbE LAN-PHY/100GbE supports Link Fault Signaling (LFS) for the purpose of detecting and reporting physical layer fault conditions on transmit and receive ports. 10GbE WAN-PHY uses SONET/SDH LOS and RDI alarms for the same purpose. This article describes how LFS works for each router and FPC card type. 10GbE LAN-PHY/100GbE LFS operates between remote Reconciliation … [Read more...]
PFE:ICHIP(.*)_REG_ERR:first cell drops in ichip fi rord.*
The ICHIP is reporting a fabric related error in a traffic stream for troubleshooting purposes. This may or may not indicate traffic loss, which would need to be verified by further examination of other fabric counters. The problem related to this syslog message is described in the following sections: The "first cell drops in ichip" message is logged each time the ICHIP … [Read more...]