Bridges in the 7600 Card

12-10

 

Bridge Forwarding Database

12-12

Address Resolution

12-12

 

 

Learning Addresses

12-13

 

 

LES Address Registration in the 7600 Card 12-13

Aging in the LE_ARP Cache

12-14

Bridge Frame Forwarding Logic 12-14

Data Transmission over an ELAN

12-15

Unicast Frames

12-15

 

 

Unknown Unicast Frames

12-15

 

Multicast Frames 12-16

 

 

Control Information on Data VCs

12-16

LEC Statistics

12-16

 

 

LEC Parameters

12-16

 

 

 

Virtual LANs Overview

12-17

 

 

Virtual LANs in the 7600 Card

12-18

 

Connecting Local Segments to a vLAN 12-18

Virtual LANs for three Workgroups

12-21

13TRAFFIC MANAGEMENT IN THE ATM NETWORK

Overview 13-1

 

 

 

 

 

Flow Control Model for ABR

13-2

 

Traffic Management Concepts

13-3

 

 

Explicit Forward Congestion Indication

13-3

Cell Loss Priority

13-3

 

 

 

Implicit Rate Control

13-3

 

 

 

Explicit Rate Control

13-4

 

 

 

Traffic and Congestion Control Functions

13-4

Traffic Rates Shaping in the 7600 Card

13-5

RM Cell Usage

13-5

 

 

 

 

Flow Rate Adjustment

13-6

 

 

Transmission Rate Profiles

13-6

 

 

Dual-Rate Mechanism

13-6

 

 

Static and Dynamic TM

13-6

 

 

TM Remote Client Database

13-6

 

Traffic Management in the Network

13-7

 

vii

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Image 9
3Com 7600 manual 12-14, Bridge Frame Forwarding Logic, 12-15, 13-5, Traffic Management in the Network 13-7