In-Service Hardware Upgrade For Srx5K-Re-1800X4 And Srx5K-Scbe Or Srx5K-Re-1800X4 And Srx5K-Scb3 In A Chassis Cluster - Juniper SRX5400 Hardware Manual

In-Service Hardware Upgrade for SRX5K-RE-1800X4 and SRX5K-SCBE or
SRX5K-RE-1800X4 and SRX5K-SCB3 in a Chassis Cluster
If your device is part of a chassis cluster, using the in-service hardware upgrade (ISHU) procedure you can
upgrade:
SRX5K-SCB with SRX5K-RE-13-20 to SRX5K-SCBE with SRX5K-RE-1800X4
NOTE: Both the services gateways must have the same Junos OS version 12.3X48.
SRX5K-SCBE with SRX5K-RE-1800X4 to SRX5K-SCB3 with SRX5K-RE-1800X4
NOTE: You cannot upgrade SRX5K-SCB with SRX5K-RE-13-20 directly to SRX5K-SCB3
with SRX5K-RE-1800X4.
NOTE: We strongly recommend that you perform the ISHU during a maintenance window, or
during the lowest possible traffic as the secondary node is not available at this time.
Ensure to upgrade the SCB and Routing Engine at the same time as the following configurations
are only supported:
SRX5K-RE-13-20 and SRX5K-SCB
SRX5K-RE-1800X4 and SRX5K-SCBE
SRX5K-RE-1800X4 and SRX5K-SCB3
NOTE: While performing the ISHU, in the SRX5800 service gateway, the second SCB can contain
a Routing Engine but the third SCB must not contain a Routing Engine. In the SRX5600 services
gateway, the second SCB can contain a Routing Engine.
Ensure that the following prerequisites are completed before you begin the ISHU procedure:
Replace all interface cards such as IOCs and Flex IOCs as specified in Table 52 on page 274.
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