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•
Ensure that you have taken the necessary precautions to prevent electrostatic discharge
(ESD) damage. See
“Prevention of Electrostatic Discharge Damage” on page 192
•
Ensure that you do not need to forward traffic through the device.
•
Determine whether the Control Board is the master or backup using one of these
methods:
•
Check the
MASTER
LED on the Control Board faceplate. If the
MASTER
LED is lit
steady green, the Control Board is the master.
•
Issue the
show chassis routing-engine
CLI command.
Ensure that you have the following parts and tools available to power off the device:
•
An ESD grounding strap
•
An external management device such as a PC
•
An RJ-45 to DB-9 rollover cable to connect the external management device to the
console (
CON
) port
To take the Control Board offline in a QFX3008-I Interconnect device, perform the tasks
appropriate for your device:
1.
Taking a Master Control Board Offline on page 346
2.
Taking a Backup Control Board Offline on page 347
Taking a Master Control Board Offline
To take a master Control Board offline in a QFX3008-I Interconnect device:
1.
Connect a management device to the console (
CONSOLE
) port on the master Control
Board in the QFX3008-I Interconnect device. For instructions about connecting a
management device to the console (
CONSOLE
) port, see
Device to a Management Console” on page 285
2.
Make the master Control Board the backup Control Board by using the
request chassis
routing-engine master switch
CLI command.
The current backup Control Board becomes the master Control Board after this
command is issued.
CAUTION:
Until the backup Control Board assumes mastership, no data
traffic is forwarded over the QFX3008-I Interconnect device. Data traffic
over other QFX3008-I Interconnect devices in your QFX3000 QFabric
system is not disrupted.
3.
Use the
show chassis routing-engine
command to confirm that mastership has changed.
4.
Connect the management device to the console (
CONSOLE
) port on the new master
Control Board in the QFX3008-I Interconnect device.
Copyright © 2012, Juniper Networks, Inc.
346
QFX3000 Hardware Documentation
Содержание QFabric QFX3008-I
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