WO2000039966A3 - Virtual local area networks having rules of precedence - Google Patents

Virtual local area networks having rules of precedence Download PDF

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Publication number
WO2000039966A3
WO2000039966A3 PCT/US1999/030712 US9930712W WO0039966A3 WO 2000039966 A3 WO2000039966 A3 WO 2000039966A3 US 9930712 W US9930712 W US 9930712W WO 0039966 A3 WO0039966 A3 WO 0039966A3
Authority
WO
WIPO (PCT)
Prior art keywords
local area
communication
virtual local
area network
area networks
Prior art date
Application number
PCT/US1999/030712
Other languages
French (fr)
Other versions
WO2000039966A2 (en
Inventor
Anil Rijhsinghani
Henry S Yang
Original Assignee
Cabletron Systems Inc
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 Cabletron Systems Inc filed Critical Cabletron Systems Inc
Priority to EP99967551A priority Critical patent/EP1142212B1/en
Priority to AU23813/00A priority patent/AU749880B2/en
Priority to CA002355648A priority patent/CA2355648C/en
Priority to DE69918332T priority patent/DE69918332T2/en
Publication of WO2000039966A2 publication Critical patent/WO2000039966A2/en
Publication of WO2000039966A3 publication Critical patent/WO2000039966A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H04L12/4645—Details on frame tagging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H04L12/467—Arrangements for supporting untagged frames, e.g. port-based VLANs

Abstract

A switch for use in a communications system having multiple local area networks interconnected by multiple switches so as to be configurable into different types of virtual local area networks inclules first and second communication ports. The first communication port is connected directly to a local area network and the second communication port interconnects with other system switches. A switch control detects a communication from the local area network and identifies a virtual local area network over which the communication is to be transmitted based upon rules of precedence for different types of virtual local area networks. The communication is appended with a VLAN tag representing the identified virtual local area network so as to form a VLAN communication that is directed to the second communication port for transmission over the identified virtual local area network.
PCT/US1999/030712 1998-12-23 1999-12-22 Virtual local area networks having rules of precedence WO2000039966A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP99967551A EP1142212B1 (en) 1998-12-23 1999-12-22 Virtual local area networks having rules of precedence
AU23813/00A AU749880B2 (en) 1998-12-23 1999-12-22 Virtual local area networks having rules of precedence
CA002355648A CA2355648C (en) 1998-12-23 1999-12-22 Virtual local area networks having rules of precedence
DE69918332T DE69918332T2 (en) 1998-12-23 1999-12-22 VIRTUAL LOCAL NETWORKS WITH PRIORITY RULES

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/221,333 1998-12-23
US09/221,333 US6526052B1 (en) 1998-12-23 1998-12-23 Virtual local area networks having rules of precedence

Publications (2)

Publication Number Publication Date
WO2000039966A2 WO2000039966A2 (en) 2000-07-06
WO2000039966A3 true WO2000039966A3 (en) 2000-11-02

Family

ID=22827379

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/030712 WO2000039966A2 (en) 1998-12-23 1999-12-22 Virtual local area networks having rules of precedence

Country Status (6)

Country Link
US (1) US6526052B1 (en)
EP (1) EP1142212B1 (en)
AU (1) AU749880B2 (en)
CA (1) CA2355648C (en)
DE (1) DE69918332T2 (en)
WO (1) WO2000039966A2 (en)

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Also Published As

Publication number Publication date
DE69918332D1 (en) 2004-07-29
EP1142212B1 (en) 2004-06-23
AU2381300A (en) 2000-07-31
CA2355648A1 (en) 2000-07-06
US6526052B1 (en) 2003-02-25
AU749880B2 (en) 2002-07-04
WO2000039966A2 (en) 2000-07-06
CA2355648C (en) 2005-05-17
EP1142212A2 (en) 2001-10-10
DE69918332T2 (en) 2005-07-07

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