[an error occurred while processing this directive][an error occurred while processing this directive]

Upgrading Routers Using ISSU

Unified in-service software upgrade (ISSU) enables you to upgrade between two different JUNOS Software releases with no disruption on the control plane and with minimal disruption of traffic. 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 ISSU, see the JUNOS High Availability Guide.


Published: 2010-04-28

[an error occurred while processing this directive]