GB0000237D0 - Method of exchanging address information using auto-negotiation to assist network topology - Google Patents

Method of exchanging address information using auto-negotiation to assist network topology

Info

Publication number
GB0000237D0
GB0000237D0 GBGB0000237.8A GB0000237A GB0000237D0 GB 0000237 D0 GB0000237 D0 GB 0000237D0 GB 0000237 A GB0000237 A GB 0000237A GB 0000237 D0 GB0000237 D0 GB 0000237D0
Authority
GB
United Kingdom
Prior art keywords
address information
auto
negotiation
network topology
exchanging address
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB0000237.8A
Other versions
GB2359222B (en
GB2359222A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3Com Corp
Original Assignee
3Com Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3Com Corp filed Critical 3Com Corp
Priority to GB0000237A priority Critical patent/GB2359222B/en
Publication of GB0000237D0 publication Critical patent/GB0000237D0/en
Publication of GB2359222A publication Critical patent/GB2359222A/en
Application granted granted Critical
Publication of GB2359222B publication Critical patent/GB2359222B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/35—Network arrangements, protocols or services for addressing or naming involving non-standard use of addresses for implementing network functionalities, e.g. coding subscription information within the address or functional addressing, i.e. assigning an address to a function
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/02—Topology update or discovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities

Abstract

In the auto-negotiation process between two network devices according to the IEEE 802.3 standard, the 'Next Page' function, which permits additional information to be exchanged during the link-up process, is used to exchange address information. MAC or IP addresses and a code specifying the nature of the address information are transmitted in the Next Page message code fields. The address information may be retrieved from memory and stored in registers under the control of a state machine which performs the auto-negotiation. The address information is used to deduce network topology without the use of a complex deduction algorithm.
GB0000237A 2000-01-07 2000-01-07 Method of exchanging address information using auto-negotiation to assist network topology Expired - Fee Related GB2359222B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0000237A GB2359222B (en) 2000-01-07 2000-01-07 Method of exchanging address information using auto-negotiation to assist network topology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0000237A GB2359222B (en) 2000-01-07 2000-01-07 Method of exchanging address information using auto-negotiation to assist network topology

Publications (3)

Publication Number Publication Date
GB0000237D0 true GB0000237D0 (en) 2000-03-01
GB2359222A GB2359222A (en) 2001-08-15
GB2359222B GB2359222B (en) 2003-10-08

Family

ID=9883265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0000237A Expired - Fee Related GB2359222B (en) 2000-01-07 2000-01-07 Method of exchanging address information using auto-negotiation to assist network topology

Country Status (1)

Country Link
GB (1) GB2359222B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372669B (en) * 2001-02-23 2003-04-23 3Com Corp Network device including detection of link status employing auto-negotiation
WO2004047375A1 (en) 2002-11-15 2004-06-03 Infineon Technologies Ag Reducing the memory requirements of a data switch
US8441957B2 (en) 2005-10-17 2013-05-14 Broadcom Corporation Apparatus and method of remote PHY auto-negotiation
US8576727B2 (en) * 2010-04-23 2013-11-05 Broadcom Corporation System and method for unique identifier exchange during auto-negotiation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04284759A (en) * 1991-03-13 1992-10-09 Nec Software Ltd Communication controller
US5734824A (en) * 1993-02-10 1998-03-31 Bay Networks, Inc. Apparatus and method for discovering a topology for local area networks connected via transparent bridges
US6115389A (en) * 1998-04-17 2000-09-05 Advanced Micro Devices, Inc. Auto-negotiation for multiple ports using shared logic

Also Published As

Publication number Publication date
GB2359222B (en) 2003-10-08
GB2359222A (en) 2001-08-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040108