System Requirements for SCU

To implement SCU, your system must meet these requirements:

JUNOS Release 8.2 or later for M120 and MX-series routing platform support
JUNOS Release 6.2 or later for IPv6 SCU
JUNOS Release 5.6 or later to use a source class or a destination class as a match condition in a firewall filter
JUNOS Release 5.4 or later for IPv4 SCU
Three Juniper Networks M-series, MX-series, or T-series routing platforms for basic SCU and five routing platforms for SCU with Layer 3 VPNs. One routing platform acts as a source class usage transit router, and the other routing platforms are used to generate traffic or participate in the Layer 3 VPN.
For M-series and T-series routing platforms, a Tunnel Services PIC for SCU with Layer 3 VPNs