Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

Navigation  Back up to About Overview 
[+] Expand All
[-] Collapse All

Junos OS Release Notes for M Series Multiservice Edge Routers, MX Series 3D Universal Edge Routers, and T Series Core Routers

These release notes accompany Junos OS Release 15.1F2 for the M Series, MX Series, and T Series. They describe new and changed features, limitations, and known and resolved problems in the hardware and software.

You can also find these release notes on the Juniper Networks Junos OS Documentation webpage, located at

Caution: This release introduces some behavior changes to the unified in-service software upgrade (ISSU) functionality for M Series, MX Series, and T Series routers. We recommend that you not use unified ISSU to upgrade from an earlier Junos OS release to Junos OS Release 15.1.

Modified: 2017-07-06