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HP ProCurve Switch 4000M / 8000M / 2424M / 1600M Reviewer’s Guide

Table of Contents

1. BACKGROUND .............................................................................................................5

1.1 HP’s Proactive Networking...................................................................................................................................5

1.2 What is a Switch?...................................................................................................................................................5

1.3 Hewlett-Packard Switch Products........................................................................................................................5

1.3.1 ProCurve Switches Covered in this Guide ..........................................................................................................5

1.3.2 Other Switches Available From HP ....................................................................................................................6

1.4 HP Switch Positioning ...........................................................................................................................................8

1.4.1 Positioning for the HP ProCurve Switch 4000M/8000M/2424M/1600M ..........................................................8

1.4.2 Switch 8000M / 4000M / 2424M / 1600M Comparison .....................................................................................9

2. EVALUATION FEATURES AND BENEFITS...............................................................10

2.1 Feature Set Summary..........................................................................................................................................10

2.2 Architecture..........................................................................................................................................................11

2.2.1 Store-and-Forward ............................................................................................................................................11

2.2.2 Backplane Design..............................................................................................................................................11

2.2.2.1 Backplanes: Chassis vs. Stackable............................................................................................................12

2.2.3 Packet Buffer Memory ......................................................................................................................................12

2.2.4 HP ProCurve Switch 100/1000Base-T Module ................................................................................................12

2.2.5 HP ProCurve Switch 2424M Gigabit Stacking Module....................................................................................13

2.3 IEEE 802.3x Flow Control ..................................................................................................................................13

2.4 Automatic Broadcast Control.............................................................................................................................13

2.5 Automatic Gateway Configuration ....................................................................................................................14

2.6 Switch Meshing (LAN Aggregation) ..................................................................................................................14

2.7 QoS Features ........................................................................................................................................................15

2.7.1 Incoming IEEE 802.1p Priority Tag Support....................................................................................................15

2.7.2 In-Switch 802.1p Tagging.................................................................................................................................15

2.7.3 IP-ToS Support..................................................................................................................................................16

2.7.4 Diff-Serv Support..............................................................................................................................................16

2.8 IGMP Support .....................................................................................................................................................16

2.9 IEEE 802.1Q VLAN Support .............................................................................................................................17

2.10 Port Trunking (Link Aggregation) ....................................................................................................................17

2.10.1 Implementation of Cisco's Fast EtherChannel

............................................................................................18

2.10.2 HP Trunking..................................................................................................................................................18

2.11 Filtering ................................................................................................................................................................18

2.11.1 Layer 2 and Layer 3 Filtering .......................................................................................................................18

2.11.2 Broadcast Storm Prevention..........................................................................................................................19