Juniper MX2020 Hardware Manual page 225
3d universal edge router
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Also See for MX2020:
- Hardware manual (630 pages) ,
- Hardware manual (800 pages) ,
- Quick start manual (72 pages)
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Solution
Copyright © 2013, Juniper Networks, Inc.
The green
LED above the MPC is not lit.
OK
To troubleshoot an MPC:
Monitor the green LED labeled
1.
an MPC is seated in an operating router.
NOTE:
The Control Board and Routing Engine (CB-RE) downloads the
MPC software to it under two conditions: The MPC is present when the
CB-RE boots Junos OS, and the MPC is installed and requested online
through the CLI or push button on the front panel. The MPC then runs
diagnostics, during which the
functioning normally, the
Look at the display on the craft interface to check the status of the MPC and the MICs
2.
that are plugged into it.
Verify that the MPC is properly seated in the top and bottom backplanes of the adapter
3.
card (ADC). Check that each knob has been turned clockwise and is tight.
Check the
LED on the MPC, and
4.
OK/FAIL
, and
through
LC9
LC10
functioning normally, the
Check the status of an MPC using the following CLI command:
5.
command to check the status of installed MPCs. As shown in the sample output, the
value
Online
in the column labeled
user@host> show chassis fpc
Temp
CPU Utilization (%)
Slot State
0
Online
1
Online
2
Online
3
Online
4
Online
5
Online
6
Online
7
Online
8
Online
9
Online
10
Online
11
Online
12
Online
13
Online
14
Online
15
Online
16
Online
17
Online
18
Online
19
Online
Use the following option to display more detailed information:
following example does not specify a slot number, which is optional:
Chapter 12: Troubleshooting MX2020 Router Hardware Components
OK
above the MPC on the craft interface as soon as
LED blinks. When the MPC is online and
OK
OK
LED lights green steadily.
and
OK
on the craft interface. When the MPC is online and
LC19
OK
LED lights green steadily.
State
indicates that the MPC is functioning normally:
Memory
Utilization (%)
(C)
Total
Interrupt
42
10
0
40
10
0
40
9
0
41
9
0
41
9
0
42
10
0
42
10
0
42
10
0
42
10
0
43
8
0
43
10
0
38
10
0
38
8
0
39
10
0
39
10
0
41
10
0
42
10
0
43
10
0
44
10
0
48
9
0
line card LEDs,
through
FAIL
LC0
show chassis fpc
DRAM (MB) Heap
Buffer
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
2048
18
option. The
detail
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
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