Supported IPv4, TCP, and UDP Standards

The Junos OS substantially supports the following RFCs, which define standards for IP version 4 (IPv4), Transmission Control Protocol (TCP), and User Datagram Protocol (UDP).

• RFC 768, User Datagram Protocol
• RFC 791, INTERNET PROTOCOL - DARPA INTERNET PROGRAM PROTOCOL SPECIFICATION
• RFC 792, INTERNET CONTROL MESSAGE PROTOCOL - DARPA INTERNET PROGRAM PROTOCOL SPECIFICATION
• RFC 793, TRANSMISSION CONTROL PROTOCOL - DARPA INTERNET PROGRAM PROTOCOL SPECIFICATION
• RFC 826, Ethernet Address Resolution Protocol—or—Converting Network Protocol Addresses to 48.bit Ethernet Address for Transmission on Ethernet Hardware
• RFC 854, TELNET PROTOCOL SPECIFICATION
• RFC 862, Echo Protocol
• RFC 863, Discard Protocol
• RFC 896, Congestion Control in IP/TCP Internetworks
• RFC 919, BROADCASTING INTERNET DATAGRAMS
• RFC 922, BROADCASTING INTERNET DATAGRAMS IN THE PRESENCE OF SUBNETS
• RFC 959, FILE TRANSFER PROTOCOL (FTP)
• RFC 1027, Using ARP to Implement Transparent Subnet Gateways
• RFC 1042, A Standard for the Transmission of IP Datagrams over IEEE 802 Networks
• RFC 1157, A Simple Network Management Protocol (SNMP)
• RFC 1166, INTERNET NUMBERS
• RFC 1195, Use of OSI IS-IS for Routing in TCP/IP and Dual Environments
• RFC 1256, ICMP Router Discovery Messages
• RFC 1305, Network Time Protocol (Version 3) Specification, Implementation and Analysis
• RFC 1519, Classless Inter-Domain Routing (CIDR): an Address Assignment and Aggregation Strategy
• RFC 1812, Requirements for IP Version 4 Routers
• RFC 2338, Virtual Router Redundancy Protocol (obsoleted by RFC 3768 in April 2004)
• RFC 2873, TCP Processing of the IPv4 Precedence Field
• RFC 3021, Using 31-Bit Prefixes on IPv4 Point-to-Point Links
• RFC 3246, An Expedited Forwarding PHB (Per-Hop Behavior)

The following RFCs do not define standards, but provide information about IP, TCP, UDP, and related technologies. The IETF classifies them as “Informational.”

• RFC 1878, Variable Length Subnet Table For IPv4
• RFC 1948, Defending Against Sequence Number Attacks

Related Topics

• Supported IPv6 Standards
• Accessing Standards Documents on the Internet