This article describes the syslog message GENCFG: op 2 (Gencfg Blob) failed This message is informational only and does not indicate an error condition. When a GENCFG: op 2 (Gencfg Blob) failed event occurs, a message similar to the following is reported: (FPC Slot 7, PIC Slot 0) kernel: GENCFG: op 2 (Gencfg Blob) failed; err 5 (Invalid) /kernel: GENCFG: op 2 (Gencfg … [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...]
LIBJNX_SNMP_ENGINE_SCAN_FAILURE
This message is seen when the scan operation on an SNMP engine data file fails. The LIBJNX_SNMP_ENGINE_SCAN_FAILURE message is logged each time the scan operation on the indicated SNMP engine data file fails. The message will be similar to this: LIBJNX_SNMP_ENGINE_SCAN_FAILURE: snmp_engine_read: fscanf : /var/db/snmp_engine.db scanning: snmp_boots Error: Unknown error: … [Read more...]
How do I gain access to the ScreenOS to Junos translation tools?
Juniper offers a tool to translate ScreenOS configuration files to Junos files. How can I access these tools? I need to convert my ScreenOS configuration to the Junos platform. All the migration tools, including the ScreenOS to Junos (S2JES) migration tool, can be found at: Migration Tools Home … [Read more...]
How to update the rollback config and OS on the backup or /altroot partition on SRX
This article summarizes how to update the roll back configuration and OS on the backup partition (/altroot) on Junos devices running version 10.0 and higher image. To update OS and configurations saved on the backup partition of dual root device, use the "request system snapshot slice alternate" command. Starting with Junos version 10.0, SRX and J series routers have two … [Read more...]
Perform SMART test from the shell
This article explains how to perform the SMART short and extensive tests from the shell within Junos. In order to determine the overall all health of a Routing Engine and in particular the Hard Drive it is useful to examine the results of the hard drive SMART tests. It is not always possible to run these commands from the CLI so and option to run them from the shell … [Read more...]
Why the CPU utilization of SRX branch devices is high even when there is no traffic?
The Branch solution devices in the SRX family show high CPU utilization even when there is no traffic on the device. The information below explains how CPU utilization is shown in J-Web and CLI, and why CPU utilization is shown as high, with examples. Note: This article applies to Junos OS 10.0 and earlier. After Junos OS 10.0, there is a separate display for the control … [Read more...]
How to automatically restore the primary partition from the backup partition
How to automatically restore the primary partition from the backup partition on a SRX device. From 10.0, SRX branch devices support dual-root partitions. But if the backup partition is also corrupt, SRX will not be able to boot up. With the Junos event policy, when SRX boots from the backup partition, it will copy the OS from the backup partition to the primary … [Read more...]