Juniper Networks EX8208 Manuel D’Utilisation
CHAPTER 15
Troubleshooting Switch Components
•
Troubleshooting Line Card Installation on EX8200 Switches
Problem
The
ON
LED on a line card does not blink in green or is not lit steadily after the line card
is installed in an EX8200 switch.
Cause
One or both of these has caused these problems:
•
The switch does not have sufficient power to power the line card while maintaining its
N+1 or N+N power configuration.
N+1 or N+N power configuration.
•
The line card is not seated correctly in the slot in the switch chassis.
Solution
If the
ON
LED does not blink in green:
1.
•
Ensure the switch has sufficient power to power the line card while maintaining
its N+1 or N+N power configuration:
its N+1 or N+N power configuration:
•
To determine the power requirements of the line card, see “Power Requirements
for EX8208 Switch Components” on page 111 or Power Requirements for EX8216
Switch Components.
for EX8208 Switch Components” on page 111 or Power Requirements for EX8216
Switch Components.
•
To determine whether the switch has enough power available for the line card,
use the
use the
show chassis power-budget-statistics
command if your switch is running
Junos OS Release 10.2 or later. If your switch is running Junos OS Release 10.1 or
earlier, see “Calculating Power Requirements for an EX8208 Switch” on page 114
or Calculating Power Requirements for an EX8216 Switch to calculate the
available power.
earlier, see “Calculating Power Requirements for an EX8208 Switch” on page 114
or Calculating Power Requirements for an EX8216 Switch to calculate the
available power.
•
If the
ON
LED does not blink still, remove the line card (see “Removing a Line Card
from an EX8200 Switch” on page 218) and reinstall the line card (see “Installing a
Line Card in an EX8200 Switch” on page 160).
Line Card in an EX8200 Switch” on page 160).
2.
If the
ON
LED blinks in green, but is not lit steadily, tighten the captive screws on the
faceplate of the line card.
Related Topics
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