Troubleshooting the TX Matrix TX-SIBs and the Switching Planes
Problem
The following alarms, LEDs, command output, and conditions indicate a problem with
the TX-SIBs or switching planes:
•
The red
FAIL
LED below a TX-SIB on the craft interface is lit.
•
TX
or
RX
LED next to a fiber-optic array adapter is lit red
•
The
RX
LED next to a fiber-optic array adapter is lit yellow.
Solution
To troubleshoot the switching plane connections between the TX-SIBs in the TX Matrix
router and the T640-SIBs in the T640 routers:
1.
Verify that the TX-SIBs and T640-SIBs are online by issuing the
show chassis sibs
command:
user@host>
show chassis sibs
scc-re0:
--------------------------------------------------------------------------
Slot State Uptime
0 Spare 133 days, 12 minutes, 41 seconds
1 Online 133 days, 12 minutes, 41 seconds
2 Online 133 days, 12 minutes, 41 seconds
3 Online 133 days, 12 minutes, 41 seconds
4 Online 133 days, 12 minutes, 41 seconds
lcc0-re0:
--------------------------------------------------------------------------
Slot State Uptime
0 Spare 133 days, 12 minutes, 2 seconds
1 Online 133 days, 12 minutes, 2 seconds
2 Online 133 days, 12 minutes, 2 seconds
3 Online 133 days, 12 minutes, 2 seconds
4 Online 133 days, 12 minutes, 2 seconds
2.
Verify the state of the electrical and optical switch fabric links by issuing the
show
chassis fabric sibs
command:
user@host>
show chassis fabric sibs
scc-re0:
--------------------------------------------------------------------------
Fabric management SIB state:
SIB #0
plane state: S_SPARE
LCC #0 : Links ok
SIB #1
plane state: S_ACTIVE
LCC #0 : Links ok
SIB #2
plane state: S_ACTIVE
LCC #0 : Links ok
SIB #3
plane state: S_ACTIVE
LCC #0 : Links ok
SIB #4
plane state: S_ACTIVE
Copyright © 2010, Juniper Networks, Inc.
216
TX Matrix Hardware Guide
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