■ Admission control and bandwidth enforcement
■ Tunnels used by IGP as next hops in SPF calculation
■ Tunnel ingress controlled failure recovery
■ Facility back-up-style fast-route
■ Traffic support
■ Layer 2 frames: ATM, Ethernet, Frame Relay, HDLC, PPP, VLAN
■ Layer 3 datagrams: IPv4, IPv6
■ Point-to-multipoint LSP support
■ Data replication at branch nodes
■ E Series routers as egress LSRs
MPLS Platform Considerations
For information about modules that support MPLS on the ERX7xx models, ERX14xx
models, and the ERX310 Broadband Services Router:
■ See ERX Module Guide, Table 1, Module Combinations for detailed module
specifications.
■ See ERX Module Guide, Appendix A, Module Protocol Support for information about
the modules that support BGP.
For information about modules that support MPLS on E120 and E320 Broadband
Services Routers:
■ See E120 and E320 Module Guide, Table 1, Modules and IOAs for detailed module
specifications.
■ See E120 and E320 Module Guide, Appendix A, IOA Protocol Support for information
about the modules that support MPLS.
MPLS References
For more information about the MPLS protocol, consult the following resources:
■ JUNOSe Release Notes, Appendix A, System Maximums—Refer to the Release Notes
corresponding to your software release for information about maximum values.
■ Encapsulating MPLS in IP or Generic Routing Encapsulation
(GRE)—draft-ietf-mpls-in-ip-or-gre-03.txt (September 2003 expiration)
■ LDP IGP Synchronization—draft-jork-ldp-igp-sync-01.txt (August 2005 expiration)
■ Detecting Data Plane Failures in Point-to-Multipoint Multiprotocol Label Switching
(MPLS) - Extensions to LSP Ping—draft-ietf-mpls-p2mp-lsp-ping-08.txt (February
2010 expiration)
■ RFC 2104—HMAC: Keyed-Hashing for Message Authentication (February 1997)5.2
MPLS Platform Considerations ■ 207
Chapter 2: MPLS Overview
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