RT_SCREEN_TCP This message reports an event, not an error, and is generated on routers running the JUNOS Software with enhanced services by the Packet Forwarding Engine as it processes packets for security control in real time. The problem related to this syslog message is described in the following sections: The RT_SCREEN_TCP message is logged each time the packet … [Read more...]
PFE:.*DFW: jtree cutover failed.*
The PFE:.*DFW: jtree cutover failed.* message is reported in the system message file whenever a PFE is unable to apply a change in the firewall filter configuration. When a router's firewall configuration is changed by a commit, the new firewall is pushed into the PFE memory, and the new filter configuration is then applied. This message indicates that there was a failure in … [Read more...]
ARP resolution in Juniper EX Switches
ARP Resolution process in Juniper EX switches When an ip packet which requires a L3 lookup hits an interface it will be subjected to L3 lookup provided Destination Mac address is the Mac address of the switch. Let us take an example of a ip packet destined to 10.1.1.10 which is not resolved yet and falls under the subnet 10.1.1.0/24, this is a directly connected … [Read more...]
DFWD_CONFIG_WRITE_FAILED
DFWD_CONFIG_WRITE_FAILED The DFWD process encountered an error while trying to send an interface configuration to the kernel over the routing socket. DFWD is the process that controls the firewall. The DFWD_CONFIG_WRITE_FAILED message is logged each time the router attempts to write a firewall configuration to the interfaces on the PFE, but an error prevents it from doing … [Read more...]
How to find TCAM utilization by firewall filter terms on QFX3500 Switch
This article is intended to explain the procedure to find the number of TCAM entries by firewall filter terms used on the QFX3500 Switch. How do I find the number of TCAM entries used by filter terms? In QFX3500 switches, the user can find the number of TCAM entries used by terms used in firewall filter applied to interfaces or VLAN. Procedure: 1. Access the shell … [Read more...]
CHASSISD_IPC_WRITE_ERR_NULL_ARGS
The chassis process (chassisd) could not send a message to the indicated component (Field-Replaceable Unit or FRU) because one or more required parameters had a null value. The problem related to this syslog message is described in the following sections: The CHASSISD_IPC_WRITE_ERR_NULL_ARGS message is logged each time the chassisd process is not able to send a message to … [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...]
Where are core files written to in the RE file system?
This article specifies where core files are written to in the Routing Engine (RE) file system. Unable to figure out where core files are written to in the RE file system. In the RE file system, core files are created after daemon crashes; for example, rpd, snmpd, ilmid, chassisd, and so on. (rpd: Routing Protocol process. snmpd: SNMP process. ilmid: Integrated Local … [Read more...]
PFE: .*Multiple UnCorrectable ECC.*
This article describes the following syslog message: PFE: .*Multiple UnCorrectable ECC.* The PFE board is reporting multiple uncorrectable ECC memory errors. The Packet Forwarding Engine (PFE) reports the ECC (Error Correction/correcting Code), which allows data transmitted to and from memory to be checked for errors, and allows the errors to be corrected, if … [Read more...]