Collect Crash Data

This chapter explains the crashes that can occur in different areas of the JUNOS software, and provides procedures you use to collect the crash data necessary for troubleshooting by the Juniper Networks Technical Assistance Center (JTAC). (See Table 58.)

Table 58: Checklist for Collecting Crash Data

Collecting Crash Data Tasks	Command or Action
Understand Crash Data Collection
Collect Crash Data for a Routing Engine Kernel
Check the Routing Engine Core Files	file list detail /var/crash
Collect and Send Crash Data to JTAC
List the Core Files	start shell su root password cd /var/crash ls -l
Compress the vmcore File	gzip vmcore.number To unzip the vmcore file: gzip -d vmcore.number.gz
Log Software Version Information	show version
Open a Case with JTAC	support@juniper.net ftp ftp.juniper.net
Collect Crash Data for Routing Engine Daemons
Check for Daemon Core Files	file list detail /var/tmp
Collect and Send Crash Data to JTAC
List the Daemon Core Files	start shell su root password cd /var/tmp ls -l
Compress the Daemon Core Files	gzip daemon-executable-name.core.number
Log Software Version Information	show version
Open a Case with JTAC	support@juniper.net ftp ftp.juniper.net
Collect Crash Data for the Packet Forwarding Engine Microkernel
Display the Crash Stack Traceback and Registration Information	start shell su root password vty component-executable-name show nvram show syslog messages
Clear the NVRAM Contents	start shell su root password vty component-executable-name clear nvram
Check Packet Forwarding Engine Microkernel Core Files	file list detail /var/crash
Collect and Send Crash Data to JTAC
List the Core Files Generated by the Crash	start shell su root password cd /var/crash ls -l
Compress the Core Files	gzip filename
Log Software Version Information	show version
Open a Case with JTAC	support@juniper.net ftp ftp.juniper.net