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NOTE:
You can perform the hardware upgrade using the LICU process only.
You must perform the hardware upgrade at the same time as the software
upgrade from Junos OS Release 12.3X48-D10 to 15.1X49-D10.
In the chassis cluster, the primary device is depicted as node 0 and the secondary device
as node 1.
Follow these steps to perform the LICU.
1.
Ensure that the secondary node does not have an impact on network traffic by isolating
it from the network when LICU is in progress. For this, disable the physical interfaces
(RETH child interfaces) on the secondary node.
For SRX5400 Services Gateways
admin@cluster#
set interfaces xe-5/0/0 disable
admin@cluster#
set interfaces xe-5/1/0 disable
For SRX5600 Services Gateways
admin@cluster#
set interfaces xe-9/0/0 disable
admin@cluster#
set interfaces xe-9/0/4 disable
For SRX5800 Services Gateways
admin@cluster#
set interfaces xe-13/0/0 disable
admin@cluster#
set interfaces xe-13/1/0 disable
2.
Disable SYN bit and TCP sequence number checking for the secondary node to take
over.
admin@cluster#
set security flow tcp-session no-syn-check
admin@cluster#
set security flow tcp-session no-sequence-check
3.
Commit the configuration.
root@#
commit
4.
Disconnect control and fabric links between the devices in the chassis cluster so that
nodes running different Junos OS releases are disconnected. For this, change the
control port and fabric port to erroneous values. Fabric ports must be set to any FPC
number and control ports to any non-IOC port. Issue the following commands:
admin@cluster#
delete chassis cluster control-ports
admin@cluster#
set chassis cluster control-ports fpc 10 port 0 <<<<<<< non-SPC
port
admin@cluster#
set chassis cluster control-ports fpc 22 port 0 <<<<<<< non-SPC
port
admin@cluster#
delete interfaces fab0
admin@cluster#
delete interfaces fab1
admin@cluster#
set interfaces fab0 fabric-options member-interfaces xe-4/0/5
<<<<<<< non-IOC port
admin@cluster#
set interfaces fab1 fabric-options member-interfaces
xe-10/0/5<<<<<<< non-IOC port
5.
Commit the configuration.
Copyright © 2017, Juniper Networks, Inc.
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