HP 2424M - Manual (Page 2)

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
©1998, 1999, 2000 Hewlett-Packard Co Revision 3.2b – 1/15/2000 Page 2 of 36