Display Craft Interface Error Messages in the System Log File
Purpose To determine the details of the craft interface error messages in the system log file.
Action To display craft interface error messages in the system log file, use the following
command:
Sample Output
For an M20 router:
user@host> show log messages
Jun 3 16:43:19 flitter ssb CM(0): ALARM SET: (Major) fxp0: ethernet link down
Jun 3 16:43:19 flitter craftd[582]: forwarding display request to chassisd: type
= 4, subtype = 43
Jun 3 16:43:19 flitter alarmd[581]: Alarm set: fxp0 color=RED, class=ETHER,
reason=fxp0: ethernet link down
Jun 3 16:43:19 flitter mib2d[586]: SNMP_TRAP_LINK_DOWN: ifIndex 1, ifAdminStatus
up(1), ifOperStatus down(2), ifName fxp0
Jun 3 16:43:21 flitter /kernel: fxp0: media DOWN 100Mb / full-duplex
For M40e and M160 routers:
user@host> show log messages
Jun 7 18:18:50 myrouter craftd[2654]: Minor alarm set, Front Top Fan Absent
Jun 7 18:18:50 myrouter chassisd[2652]: CHASSISD_BLOWERS_SPEED: blowers
being set to full speed [fan/blower missing]
Jun 7 18:18:50 myrouter alarmd[2653]: Alarm set: Fan color=YELLOW,
class=CHASSIS, reason=Front Top Fan Absent
Jun 7 18:18:50 myrouter craftd[2654]: fpm led error: Unknown error: -1
Jun 7 18:18:50 myrouter alarmd[2653]: Alarm set: Craft IF color=YELLOW,
class=CHASSIS, reason=Craft Failure
Jun 7 18:18:50 myrouter craftd[2654]: Minor alarm set, Craft Failure
Meaning The messages system log file records the time the failure or event occurred, the severity
level, a code, and a message description. Use the show log messages command to
browse error messages that are generated at least 5 minutes before and after an event.
Use this information to diagnose a problem and to let the Juniper Networks Technical
Assistance Center (JTAC) know what error messages were generated and the router
events prior to the event.
For an M20 router, the messages file output shows that the Ethernet management
interface (fpx0) that provides an out-of-band method for connecting to the router from
the craft interface is down. For more information about system log messages, see the
Junos OS System Log Messages Reference.
For an M160 router, since the craft interface is attached to the front top fan, you see both
craft interface and fan error messages.
Displaying Craft Interface Messages in the Chassis Daemon Log File
Purpose To determine the details of the craft interface messages in the chassis daemon log file.
The chassis daemon (chassisd) log file keeps track of the state of each chassis
component.
Copyright © 2012, Juniper Networks, Inc.260
M Series and T Series Routers Monitoring and Troubleshooting Guide
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