Upgrade to Release 6.0 or Downgrade from Release 6.0
This section is for users who need to upgrade to JUNOS Release 6.0 from 5.
xand downgrade from Release 6.0 to 5.x. After you upgrade to 6.0 usingjinstall, usejbundlefor subsequent upgrades or downgrades. To upgrade to Release 6.0 from a 5.xrelease, use the 6.0jinstallpackage. To downgrade from Release 6.0 to 5.x, use the appropriate 5.xjbundlepackage. For technical support, contact Juniper Networks atsupport@juniper.net, or at 1-888-314-JTAC (within the United States) or 1-408-745-9500 (from outside the United States).