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NOTE:
During this installation procedure, you must shut down both devices,
one at a time. During the period when one device is shut down, the remaining
device operates without a backup. If that remaining device fails for any reason,
you incur network downtime until you restart at least one of the devices.
To install MPCs in an operating SRX5400 Services Gateway cluster without incurring
downtime:
1.
Use the console port on the Routing Engine to establish a CLI session with one of the
devices in the cluster.
2.
Issue the
show chassis cluster status
command to determine which services gateway
is currently primary, and which services gateway is secondary, within the cluster.
In the example below, all redundancy groups are primary on node 0, and secondary
on node 1:
admin@cluster>
show chassis cluster status
Cluster ID: 1
Node Priority Status Preempt Manual failover
Redundancy group: 0 , Failover count: 5
node0 1 primary no no
node1 100 secondary no no
Redundancy group: 1 , Failover count: 1
node0 200 primary no no
node1 100 secondary no no
Redundancy group: 2 , Failover count: 1
node0 200 primary no no
node1 100 secondary no no
Redundancy group: 3 , Failover count: 1
node0 100 primary no no
node1 200 secondary no no
Redundancy group: 4 , Failover count: 1
node0 200 primary no no
node1 100 secondary no no
3.
If the device with which you established the CLI session in Step
is not the secondary
node in the cluster, use the console port on the device that is the secondary node to
establish a CLI session.
4.
In the CLI session for the secondary services gateway, issue the
request system power
off
command to shut down the services gateway.
5.
Wait for the secondary services gateway to completely shut down.
6.
Install the new MPCs in the powered-off services gateway using the procedure in
“Installing an SRX5400 Services Gateway MPC” on page 169
.
7.
Install MICs in the MPCs in the powered-off services gateway using the procedure in
“Installing an SRX5400 Services Gateway MIC” on page 171
173
Copyright © 2017, Juniper Networks, Inc.
Chapter 19: Installing Additional Components
Содержание SRX5400
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