JunosE 12.1.0 Release Notes

Release Software Protocols

The following list identifies the major software protocols supported in this release. For detailed information about any protocol, see the configuration guides.

Core Routing Stack

• Internet Protocol (IP) version 4 and version 6
• Transmission Control Protocol (TCP) for IPv4
• User Datagram Protocol (UDP) for IPv4 and IPv6

Layer 2 Protocols

• Asynchronous Transfer Mode (ATM)
• Bridged Ethernet
• Bridged IP
• Cisco High-Level Data Link Control (Cisco HDLC)
• Ethernet
• Extensible Authentication Protocol (EAP)
• Frame Relay
• Layer 2 Tunneling Protocol (L2TP)
• Multilink Frame Relay (MLFR)
• Multilink Point-to-Point Protocol (MLPPP)
• Packet over SONET (POS)
• Point-to-Point Protocol (PPP)
• PPP over Ethernet (PPPoE)
• Transparent bridging

Multiprotocol Label Switching (MPLS)

• Border Gateway Protocol (BGP-4)
• Label Distribution Protocol (LDP)
• Resource ReSerVation Protocol – Traffic Engineering Extensions (RSVP-TE)

Network Management Protocols

• Simple Network Management Protocol (SNMP) versions 1, 2c, and 3

Routing Protocols

• Border Gateway Protocol (BGP-4)
• Distance Vector Multicast Routing Protocol (DVMRP)
• Internet Group Membership Protocol (IGMP)
• Intermediate System–to–Intermediate System (IS-IS)
• Layer 2 Virtual Private Networks (L2VPNs)
• Mobile IP
• Open Shortest Path First (OSPF) version 2 and version 3
• Protocol Independent Multicast Protocol (PIM), including PIM dense mode, PIM sparse mode, PIM dense-sparse mode, and PIM source-specific multicast
• Routing Information Protocol (RIP) version 2
• Virtual Private LAN Service (VPLS)
• Virtual Router Redundancy Protocol (VRRP)

Security Protocols

• Internet Key Exchange (IKE)
• Internet Security Association and Key Management Protocol (ISAKMP)
• IP Authentication Header (AH)
• IP Encapsulating Security Payload (ESP)
• Network Address Translation (NAT)