How to update Junos on juniper EX4200
To update Junos on Juniper EX4200
Introduction:
The Junos operating system(Junos OS) used in Juniper Networks high-performance network devices creates a responsive and trusted environment for accelerating the deployment of services and applications over a single network. This tutorial covers how to update Junos OS on juniper EX4200
Updation process
Temporarily mount the USB drive:
root@NETAXIS-layer3:RE:0% mount_msdosfs /dev/da1s1 /mnt
Switch to cli mode by triggering the below command:
root@NETAXIS-layer3:RE:0% cli
Install the OS by using the below command:
root@NETAXIS-layer3> request system software add /mnt/jinstall-ex-4200-15.1R7.9-domestic-signed.tgz
Checking pending install on fpc0
fpc0:
Verify the signature of the new package
Verified jinstall-ex-4200-15.1R7.9-domestic.tgz signed by PackageProductionRSA_2018 method RSA2048+SHA1
WARNING: A reboot is required to install the software
WARNING: Use the 'request system reboot' command immediately
Now, reboot the system:
root@NETAXIS-layer3> request system reboot
Reboot the system ? [yes,no] (no) yes
Shutdown at Tue Sep 11 07:20:26 2018.
[pid 1702]
{master:0}
*** System shutdown message from root@NETAXIS-layer3 ***
System going down in 1 minute
*** System shutdown message from root@NETAXIS-layer3 ***
System going down in 30 seconds
*** FINAL System shutdown message from root@NETAXIS-layer3 ***
System going down IMMEDIATELY
Terminated
root@NETAXIS-layer3:RE:0% SSWaiting (max 60 seconds) for system process `vnlru' to stop...done
Waiting (max 60 seconds) for system process `vnlru_mem' to stop...done
Waiting (max 60 seconds) for system process `bufdaemon' to stop...done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining...1 1 1 1 0 1 1 1 1 0 0 0 0 0 0 done
root@NETAXIS-layer3:RE:0% SSWaiting (max 60 seconds) for system process `vnlru' to stop...done
Waiting (max 60 seconds) for system process `vnlru_mem' to stop...done
Waiting (max 60 seconds) for system process `bufdaemon' to stop...done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining...1 1 1 1 0 1 1 1 1 0 0 0 0 0 0 done
syncing disks... All buffers synced.
Uptime: 58m57s
recorded reboot as normal shutdown
Rebooting...
U-Boot 1.1.6 (Jul 5 2012 - 11:58:22)
Board: EX4200-48T 5.23
EPLD: Version 10.0 (0x82)
DRAM: Initializing (1024 MB)
FLASH: 8 MB
Firmware Version: --- 01.00.00 ---
USB: scanning bus for devices... 3 USB Device(s) found
scanning bus for storage devices... 2 Storage Device(s) found
eTSEC0: PHY id ffffffff is not supported!
--- JUNOS 15.1R7.9 built 2018-09-11 05:42:39 UTC
root@NETAXIS-layer3:RE:0%
After rebooting switch to cli mode:
root@NETAXIS-layer3:RE:0% cli
{master:0}
Now, check the OS version by triggering the below command:
root@NETAXIS-layer3> show version
fpc0:
--------------------------------------------------------------------------
Hostname: NETAXIS-layer3
Model: ex4200-48t
Junos: 15.1R7.9
JUNOS EX Software Suite [15.1R7.9]
JUNOS FIPS mode utilities [15.1R7.9]
JUNOS Online Documentation [15.1R7.9]
JUNOS EX 4200 Software Suite [15.1R7.9]
JUNOS Web Management Platform Package [15.1R7.9]
{master:0}
With this method we have updated juniper Ex4200 with junos Networking Operating System
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