Juniper Networks M10i Benutzerhandbuch
For information about using the CLI to display details about alarms generated by
interfaces and hardware components, see
interfaces and hardware components, see
For information about using the CLI to troubleshoot the JUNOS Internet software,
see the appropriate JUNOS Internet software configuration guide.
see the appropriate JUNOS Internet software configuration guide.
LEDs
The LEDs described in the following sections indicate the basic status of hardware
components.
components.
LEDs on the HCM
The HCM provides status and troubleshooting information at a glance. It is located
on the front of the chassis below the FPC card cage, as shown in
on the front of the chassis below the FPC card cage, as shown in
on the HCM include two alarm LEDs. The circular red alarm LED at the upper right
of the craft interface indicates a critical condition that can result in a system shutdown.
The triangular yellow alarm below it indicates a less severe condition that requires
monitoring or maintenance. Both alarms can occur simultaneously. For more
information about the alarm LEDs, see
of the craft interface indicates a critical condition that can result in a system shutdown.
The triangular yellow alarm below it indicates a less severe condition that requires
monitoring or maintenance. Both alarms can occur simultaneously. For more
information about the alarm LEDs, see
LEDs on Hardware Components
LEDs on the faceplates of the following hardware components report their status:
■
PIC—Most PICs have an LED labeled
STATUS
on their faceplate. Some PICs have
additional LEDs, often one per port. The meaning of the LED states differs for
various PICs. For more information, see the M10i Internet Router PIC Guide.
various PICs. For more information, see the M10i Internet Router PIC Guide.
■
Power supply—A green LED labeled
OUTPUT OK
reports the status of the power
Hardware and Interface Alarm Messages
When the Routing Engine detects an alarm condition, it lights the red or yellow alarm
LED on the craft interface as appropriate. To view a more detailed description of the
alarm cause, issue the
LED on the craft interface as appropriate. To view a more detailed description of the
alarm cause, issue the
show chassis alarms
CLI command:
user@host> show chassis alarms
There are two classes of alarm messages:
■
Chassis alarms—Indicate a problem with a chassis component such as the cooling
system or power supplies, as described in
system or power supplies, as described in
■
Interface alarms—Indicate a problem with a specific network interface, as
described in
described in
80
■
Overview of Troubleshooting Resources
M10i Internet Router Hardware Guide