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Related Documentation
- ACX Series
- Upgrading Software Packages
- EX Series
- Upgrading Software Packages
- M Series
- Upgrading Software Packages
- MX Series
- Upgrading Software Packages
- PTX Series
- Upgrading Software Packages
- SRX Series
- Upgrading Software Packages
- T Series
- Upgrading Software Packages
- vSRX
- Upgrading Software Packages
Upgrading Routers Using Unified ISSU
Unified in-service software upgrade (ISSU) enables you to upgrade between two different Junos OS releases with no disruption on the control plane and with minimal disruption of traffic. Unified ISSU is only supported by dual Routing Engine platforms. In addition, graceful Routing Engine switchover (GRES) and nonstop active routing (NSR) must be enabled.
For additional information about using unified ISSU, see the Junos OS High Availability Library for Routing Devices.
Related Documentation
- ACX Series
- Upgrading Software Packages
- EX Series
- Upgrading Software Packages
- M Series
- Upgrading Software Packages
- MX Series
- Upgrading Software Packages
- PTX Series
- Upgrading Software Packages
- SRX Series
- Upgrading Software Packages
- T Series
- Upgrading Software Packages
- vSRX
- Upgrading Software Packages
