Juniper CBL-M40-PWR-AU ユーザーズマニュアル
Troubleshoot the Packet Forwarding Engine Components
201
Chapter 18
Troubleshoot the Packet Forwarding Engine Components
This chapter discusses the following topics related to troubleshooting components of the
Packet Forwarding Engine:
Packet Forwarding Engine:
Troubleshoot FPCs
As soon as an FPC is seated on an operating router, the Routing Engine downloads the FPC
software to it. The FPC then runs diagnostics and enables the PICs that it houses. During this
time, the green FPC LED labeled
software to it. The FPC then runs diagnostics and enables the PICs that it houses. During this
time, the green FPC LED labeled
OK
on the craft interface is blinking. When the FPC is online
and functioning normally, the
OK
LED lights steadily.
To troubleshoot FPCs, follow these guidelines:
If the red FPC LED labeled
FAIL
lights steadily, make sure the FPC is properly seated in
the backplane—use a Phillips screwdriver to check that the screws at the top and bottom
of the card carrier are tight.
of the card carrier are tight.
Issue the CLI
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
28 1 0 8 9 15
1 Online
27 1 0 8 9 15
2 Online
29 1 0 8 12 14
3 Empty
4 Empty
5 Online
25 0 0 8 8 14
6 Online
29 1 0 8 9 14
7 Online
26 1 0 8 8 13