hp-ux networking September 2003 hp-ux ppp enhancements – pppoe and pppv6 technical white paper table of contents By: Gururaj B S, CSIL Information Engineering introduction ppp on hp-ux market forecast executive summary problem statement technology strategy pppoe/v6 description protocol overview pppoe on hp-ux pppv6 on hp-ux conformance to RFCs compatibility/ interoperability software availability glossary additional information 2 2 2 4 4 4 4 5 6 6 6 7 7 7 7 1
hp-ux ppp enhancements – pppoe and pppv6 white paper August 2003 Legal Notices The information in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
hp-ux ppp enhancements – pppoe and pppv6 white paper introduction TCP/IP has been the de-facto standard of Internet. Because the Internet is extremely huge with hosts separated by thousands of miles, it is not possible to connect hosts across the Internet through Ethernet. Telecommunication providers across the world provide serial link connectivity to their customers. However, TCP/IP packets cannot be transmitted directly over serial links.
hp-ux ppp enhancements – pppoe and pppv6 white paper August 2003 consumers, and solutions that seamlessly integrate into the existing infrastructure for carriers. PPPv6 will be widely used in 3G wireless environments where there is a need for large number of addresses and for establishing serial links between the mobile handset and service provider. PPPv6 enables users to configure the address automatically.
hp-ux ppp enhancements – pppoe and pppv6 white paper August 2003 executive summary This white paper presents a macro view of PPP enhancements supported on HP-UX 11i v1 operating system. It provides information about the marketing opportunities that PPP enhancements provide. In addition, the document limns the technology strategy, HP’s offering, software availability, and so forth.
hp-ux ppp enhancements – pppoe and pppv6 white paper August 2003 protocol overview Typically, a PPPoE session comprises two peers communicating over an Ethernet link. Each peer must learn the Ethernet address of the remote peer and establish a unique session identifier that identifies the PPPoE session between the peers. The following diagram depicts how the PPPoE client and the server, on the same link, communicate with each other.
hp-ux ppp enhancements – pppoe and pppv6 white paper August 2003 the most appropriate one with which to establish connection. After the host selects the access concentrator, both the host and the chosen access concentrator have the necessary information to establish their PPP connection over the Ethernet. The host and the server exchange packets as follows: The host broadcasts the initiation packet, PPPoE Active Discovery Initiation (PADI).
hp-ux ppp enhancements – pppoe and pppv6 white paper August 2003 compatibility/ interoperability software availability The following are the system requirements to install and use the PPPoE/v6 software: HP systems running HP-UX 11i v1 1.3 MB of memory PPPoE and PPPv6 are bundled as part of Transport Optional Upgrade Release (TOUR) 1.0, which is available as a web release on the software repository of HP at the following URL: http://www.software.hp.
