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
Network Management Protocols
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)
Multiprotocol Label Switching (MPLS)
- Border Gateway Protocol (BGP-4)
- Label Distribution Protocol (LDP)
- Resource ReSerVation Protocol - Traffic Engineering Extensions (RSVP-TE)
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
Security Protocols