Chassis Cluster Features Not Supported in JUNOS Software Release 9.4 for J-series Services Routers

For this release of JUNOS software, the following features are not supported when chassis clustering is enabled on the router:

All packet-based protocols, such as MPLS, Connectionless Network Service (CLNS), and IP version 6 (IPv6)
Any function that depends on the configurable interfaces:
- ls-0/0/0—Link services Multilink Point-to-Point Protocol (MLPPP), Multilink Frame Relay (MLFR), and Compressed Real-Time Transport Protocol (CRTP)
- gr-0/0/0—Generic routing encapsulation (GRE) and tunneling
- ip-0/0/0—IP-over-IP (IP-IP) encapsulation
- pd-0/0/0, pe/0/0/0, and mt-0/0/0—All multicast protocols
- lt-0/0/0—Real-time performance monitoring (RPM)
WXC Integrated Services Module (WXC ISM 200)
L2 Ethernet switching
ISDN BRI

Additional limitations include:

A Fast Ethernet port from a 4-port Ethernet PIM cannot be used as a fabric link port in a chassis cluster.