Verifying Craft Interface Failure ! 207
Chapter 17: Monitoring the Craft Interface
Step 2: Display Craft Interface Error Messages in the System Log File
Action To display craft interface error messages in the system log file, use the following CLI
command:
user@host> show log messages
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
What It Means 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 CLI
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 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.
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