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Cabletron's SecureFast VLAN Operational Model (RFC2643)

IP.com Disclosure Number: IPCOM000003231D
Original Publication Date: 1999-Aug-01
Included in the Prior Art Database: 2000-Sep-13

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Ruffen: AUTHOR [+3]

Abstract

Cabletron's SecureFast VLAN (SFVLAN) product implements a distributed connection-oriented switching protocol that provides fast forwarding of data packets at the MAC layer. The product uses the concept of virtual LANs (VLANs) to determine the validity of call connection requests and to scope the broadcast of certain flooded messages.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 3% of the total text.

Network Working Group D. Ruffen

Request for Comments: 2643 T. Len

Category: Informational J. Yanacek

Cabletron Systems Incorporated

August 1999

Cabletron's SecureFast VLAN Operational Model

Version 1.8

Status of this Memo

This memo provides information for the Internet community. It does

not specify an Internet standard of any kind. Distribution of this

memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1999). All Rights Reserved.

Abstract

Cabletron's SecureFast VLAN (SFVLAN) product implements a distributed

connection-oriented switching protocol that provides fast forwarding

of data packets at the MAC layer. The product uses the concept of

virtual LANs (VLANs) to determine the validity of call connection

requests and to scope the broadcast of certain flooded messages.

Table of Contents

1. Introduction............................................. 3

1.1 Data Conventions..................................... 3

1.2 Definitions of Commonly Used Terms................... 4

2. SFVLAN Overview.......................................... 6

2.1 Features............................................. 7

2.2 VLAN Principles...................................... 8

2.2.1 Default, Base and Inherited VLANs.............. 8

2.2.2 VLAN Configuration Modes....................... 8

2.2.2.1 Endstations............................ 8

2.2.2.2 Ports.................................. 9

2.2.2.3 Order of Precedence.................... 9

2.2.3 Ports with Multiple VLAN Membership............ 10

2.3 Tag/Length/Value Method of Addressing................ 10

2.4 Architectural Overview............................... 11

3. Base Services............................................ 13

4. Call Processing.......................................... 14

4.1 Directory Service Center............................. 14

4.1.1 Local Add Server............................... 15

4.1.2 Inverse Resolve Server......................... 15

4.1.3 Local Delete Server............................ 18

4.2 Topology Service Center.............................. 18

4.2.1 Neighbor Discovery Server...................... 18

4.2.2 Spanning Tree Server........................... 18

4.2.2.1 Creating and Maintaining

the Spanning Tree........... 19

4.2.2.2 Remote Blocking........................ 19

4.2.3 Link State Server.............................. 20

4.3 Resolve Service Center............................... 21

4.3.1 Table Server................................... 22

...