Related
Documentation
MX240 Dense Port Concentrator (DPC) Description on page 49•
• Maintaining MX240 DPCs on page 382
• Replacing an MX240 DPC on page 297
Troubleshooting the MX240 FPCs
Problem Description: The FPCs are not functioning normally.
Solution • Monitor the green LED labeled OK above the FPC on the craft interface as soon as an
FPC is seated in an operating router.
The Routing Engine downloads the FPC software to it under two conditions: the FPC
is present when the Routing Engine boots Junos OS, and the FPC is installed and
requested online through the CLI or push button on the front panel. The FPC then runs
diagnostics, during which the OK LED blinks. When the FPC is online and functioning
normally, the OK LED lights green steadily.
• Make sure the FPC is properly seated in the midplane. Check that each ejector handle
has been turned clockwise and is tight.
• Check the OK/FAIL LED on the FPC and OK and FAIL FPC LEDs on the craft interface.
When the FPC is online and functioning normally, the OK LED lights green steadily.
• Issue the show chassis fpc command to check the status of installed FPCs. As shown
in the sample output, the value Online in the column labeled State indicates that the
FPC is functioning normally:
user@host> show chassis fpc
Temp CPU Utilization (%) Memory Utilization (%)
Slot State (C) Total Interrupt DRAM (MB) Heap Buffer
0 Online 24 3 0 1024 13 21
1 Empty
2 Online 41 9 0 1024 15 57
3 Online 43 5 0 1024 16 57
4 Online 43 11 0 1024 16 57
5 Online 41 9 0 1024 15 57
6 Online 43 5 0 1024 16 57
7 Empty
8 Empty
9 Empty
10 Online 24 3 0 1024 13 21
11 Empty
NOTE: The show chassis fpc command displays the status of the FPCs.
For more detailed output, add the detail option. The following example does not specify
a slot number, which is optional:
Copyright © 2017, Juniper Networks, Inc.406
MX240 3D Universal Edge Router Hardware Guide
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