Table 1 displays the supported versions and download links for software components associated with CSO Release 5.1.1.
Before you onboard devices, ensure that the device is running the software version that is recommended in this release notes.
CSO Release 5.1.1 extends Beta support for Junos OS Release 19.3R2-S1.
Table 1: Software Components Associated with CSO Release 5.1.1
We recommend that you use Junos OS Release 15.1X49-D172 in your production environment instead of Junos OS Release 19.3R2-S1 because of the following known limitations in Junos OS Release 19.3R2-S1:
Connection fails when sending traffic through an NFX250 device on which vSRX is installed. [PR 1483425]
In an SRX3xx dual-CPE cluster, ZTP does not progress if the secure OAM tunnel from the master node is down. [PR 1484382, PR 1484389]
Sometimes, vSRX when running on an NFX250 device does not show 'ge-' interfaces after you upgrade image from Junos OS Release 15.1X49-D172.1 to Junos OS Release 19.3R2-S1. [PR 1482360]
In an SRX1500 dual-CPE cluster, you cannot add a license to the backup node by using the request system license add command. [PR 1485128]
GRE interface in an NFX150 device may appear as down, even though it is actually up. [PR 1456184]
ZTP of a device running Junos OS Release 19.3R2-S1 may fail due to failure in installing default-trusted certificate authority (CA. [PR 1472607]
Full mesh dynamic VPN tunnel formed through a device running Junos OS 19.3R2-S1 may not come up. [PR 1482984]
LAN traffic may be interrupted while configuring full mesh DVPN tunnel on a device running Junos OS Release 19.3R2-S1. [PR 1484083]
During ZTP of an SRX1500 dual-CPE cluster, the devices in the cluster reboot automatically. [PR 1484257]
Software Installation Requirements for NFX Series Network Services Platform
When you set up a distributed deployment with an NFX150 or an NFX250 device, you must use Administration Portal or the CSO API to:
- Upload the software image to CSO.
Only an SP administrator can upload the software image to CSO. If you are an OpCo administrator or a tenant administrator and if you need to upload the required software image, contact Juniper Networks Technical Assistance Center (JTAC).
- Specify this image as the boot image when you configure activation data.
For more information on NFX series documentation, see https://www.juniper.net/documentation/product/en_US/nfx150 and https://www.juniper.net/documentation/product/en_US/nfx250 .