How to upgrade SRX5K-RE3
SRX5K-RE3-128G is Routing Engine for SRX5400, SRX5600, and SRX5800 Services Gateways, based on Intel’s Haswell-EP CPU with 6 cores, and 128G of DDR4 memory.
It provides increased control plane performance and scalability along with virtualization features in SRX5K chassis
1) To check if Device is using RE3 run "show chassis hardware extensive " and see check Routing Engine FRU Model Number:
root@jtac-srx5800> show chassis hardware extensive
Hardware inventory:
Routing Engine 0 REV 07 750-095568 EBAP6205 SRX5k RE-2000x6
Jedec Code: 0x7fb0 EEPROM Version: 0x02
P/N: 750-095568 S/N: EBAP6205
Assembly ID: 0x0c94 Assembly Version: 01.07
Date: 04-14-2023 Assembly Flags: 0x00
Version: REV 07 CLEI Code: CMUCAMHCAB
ID: SRX5k RE-2000x6 FRU Model Number: SRX5K-RE3-128G >>>>>>> showing SRX5K-RE3
2)Download the RE3 image from https://support.juniper.net/support/downloads/?p=srx5800 page
3)Once downloaded use the below command to install the Junos on the device
root@jtac-srx5800> request vmhost ?
Possible completions:
cleanup RE vmhost cleanup /var/tmp, /var/crash and /var/log
file-copy Copy file from vmhost to vjunos
halt Halt the software on RE
hard-disk-test Run smartd self tests on hard disks
power-off Power off the software on RE
power-on Power on the system
reboot Reboot RE vmhost
snapshot Create a vmhost recovery snapshot
software Perform vmhost software extension or upgrade
zeroize Erase all data, including configuration and log files
root@jtac-srx5800> request vmhost software add /var/tmp/junos-vmhost-install-srx-x86-64-22.2R3.15.tgz
Verified junos-vmhost-install-srx-x86-64-22.2R3.15 signed by PackageDevelopmentECP256_2023 method ECDSA256+SHA256
i40e NVM version is 7.00
Proceeding with install
Copied the config and other data to the aux disk.
Transfer junos-host-upgrade.sh
Transfer Done
4)To upgrade you need to reboot using command 'request vmhost reboot' if you use ' request system reboot ' it won't upgrade
Ex: If I reboot using request system srx5800 won't upgrade to 22.2R3
root@jtac-srx5800> show version
Hostname: jtac-srx5800
Model: srx5800
Junos: 21.4R3-S5.4
root@jtac-srx5800> request system reboot
Reboot the system ? [yes,no] (no) yes
It came up on 21.4R3-S5 only and didn't upgrade to 22.2R3
Tue Apr 9 16:47:41 IST 2024
FreeBSD/amd64 (jtac-srx5800-r2021) (ttyu0)
login: root
Password:
Last login: Tue Apr 9 08:22:58 from 10.32.192.87
--- JUNOS 21.4R3-S5.4 Kernel 64-bit JNPR-12.1-20230821.5fbe894_buil
root@jtac-srx5800:~ # cli
5) Use " request vmhost reboot " to upgrade to the installed firmware
root@jtac-srx5800> request vmhost reboot
Reboot the vmhost ? [yes,no] (no) yes
Hostname: jtac-srx5800-r2021
Junos: 22.2R3.15
For further reference please refer to the VM Host upgrade document : Installing, Upgrading, Backing Up, and Recovery of VM Host | Junos OS | Juniper Networks