Juniper QFabric QFX3000-G Hardware Documentation page 678

QFX3000-G QFabric System Hardware Documentation
Taking a Master Control Board Offline
628
Ensure that you have taken the necessary precautions to prevent electrostatic discharge
(ESD) damage. See "Prevention of Electrostatic Discharge Damage" on page
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
steady green, the Control Board is the master.
Issue the
show chassis routing-engine
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 ( ) port
CON
To take the Control Board offline in a QFX3008-I Interconnect device, perform the tasks
appropriate for your device:
Taking a Master Control Board Offline on page 628
1.
2. Taking a Backup Control Board Offline on page 629
To take a master Control Board offline in a QFX3008-I Interconnect device:
Connect a management device to the console (
1.
Board in the QFX3008-I Interconnect device. For instructions about connecting a
management device to the console (
Device to a Management Console" on page
Make the master Control Board the backup Control Board by using the
2.
routing-engine master switch
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.
Use the
3. show chassis routing-engine
CLI command.
CONSOLE
) port, see
CONSOLE
386.
CLI command.
command to confirm that mastership has changed.
Copyright © 2018, Juniper Networks, Inc.
360.
MASTER LED is lit
) port on the master Control
"Connecting a QFX Series
request chassis