You can upgrade directly to it and there are no prerequisites.
You should of course do a complete backup of your configuration files before undertaking the upgrade.
Kevin Barker
JNCIP-SEC
JNCIS-ENT, FWV, SSL, WLAN
JNCIA-ER, EX, IDP, UAC, WX
Juniper Networks Certified Instructor
Juniper Networks Ambassador
Juniper Elite Reseller
J-Partner Service Specialist - Implementation
If this worked for you please flag my post as an "Accepted Solution" so others can benefit. A kudo would be cool if you think I earned it.
