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36.6 Gbps 

Central 

Switching 

Fabric 

Inter-Module Connections 
Localized Intra-Module Traffic Flows 

•6 

Network Attached 

Storage 

•6 

•3 

Inter-Module Traffic Flows 

Figure 5b: traffic flow diagram for 4108 gl functioning as a gigabit aggregator switch 

Figure 5b depicts the traffic flows for the example showing the 4108gl acting as a gigabit 
aggregator switch.  All traffic localized to the gigabit modules gets switched at wire speed on 

the module and never has to traverse the central switch fabric.  For inter-module traffic, the 
36.6 Gbps multi-path central switching fabric provides adequate throughput for most 
applications. 

Page 15 of 17 

Содержание ProCurve 4108gl Bundle

Страница 1: ...Ethernet switches In October 1999 anticipating the need for affordable higher bandwidth connections HP once again revolutionized the industry with the introduction of 1000Base T the first commercially available gigabit Ethernet interface capable of using Category 5 copper cable As a part of this introduction and as an ease of use feature HP contributed HP Auto MDIX to the gigabit standard to autom...

Страница 2: ...th two trunked internal full duplex Gigabit links Each of these internal links goes to one of two gigabit Ethernet switch ASICs in the central switching fabric The two Ethernet switch ASICs run in a parallel fashion providing multiple paths between all modules in the 4108gl This architecture is able to provide throughput rates up to 21 6 Mpps across the central switching fabric and up to 71 4 Mpps...

Страница 3: ...et switches such as the HP Procurve Switch 2524 devices for this particular workgroup are connected to the same HP Procurve Switch GL 10 100 TX module J4862A all traffic within this workgroup is switched locally on the module at wire speed as shown in Figure 1b 8 Slot Chassis Switch 4108GL P r o C u r v e S w i t c h H P C o n s o l e J4864A Transceiver Blade J4862A 24 Port 10 100 TX Blade 4 8 6 1...

Страница 4: ...peed growth in 24 port increments as found in the best 24 2 switches like the HP Procurve Switch 2524 along with the ease of expandability and manageability of a chassis The high speed 36 6 Gbps central switching fabric functions similarly to the stacking mechanisms found in 24 2 switches However unlike 24 2 s the 4108gl expands without the use of messy cable systems Throughput between the switche...

Страница 5: ...sociated problems can be avoided by designing and provisioning the network correctly Figure 2a physical view of localized IP telephony workgroups 8 Slot Chassis Switch 4108GL P r o C u r v e S w i t c h H P C o n s o l e J4864A Transceiver Blade J4862A 24 Port 10 100 TX Blade 4 8 6 1 A J 4 1 0 8 G L J4862A 24 Port 10 100 TX Blade J4862A 24 Port 10 100 TX Blade Local Server Workgroup Printer Workgr...

Страница 6: ...event that congestion occurs Using a 4108gl with a Mitel VoIP solution IP phones talk directly with other IP phones after initial call setup After initial call setup all intra workgroup communications are switched locally on the 10 100 modules in the 4108gl IP Telephony Workgroup 1 Switch GL Transceiver Module J4864A Switch GL 10 100 TX Module J4862A 3 24 3 24 24 24 24 IP Telephony Workgroup 2 36 ...

Страница 7: ...rd Many VoIP solutions such as the Mitel support IEEE 802 1p and set the priority bits for Quality of Service QoS so there is no need for the 4108gl to set the 802 1p tag It merely needs to recognize it and prioritize it accordingly Also since a standard voice conversation requires less than one tenth of a percent of a 100Mbps link bandwidth reservation is not a concern when using a 4108gl This ca...

Страница 8: ...ve been widely used for this purpose of multicast controls is a function not only of the network infrastructure but also the application software 8 Slot Chassis Switch 4108GL P r o C u r v e S w i t c h H P C o n s o l e J4862A 24 Port 10 100 TX Blade 4 8 6 1 A J 4 1 0 8 G L J4862A 24Port10 100 TXBlade J4862A 24 Port 10 100 TX Blade Local Server Workgroup Printer Workgroup Scanner IP Telephony Wor...

Страница 9: ...tage of IGMP to further isolate workgroup traffic By simply grouping workgroup or classroom devices on the same 10 100 module these multicast streams can be localized on a per module basis as shown in Figure 3b medium to large data Although the HP Procurve Switch 4108gl was designed for high density high performance center applications wiring closet applications Fast Path Technology also makes it ...

Страница 10: ...00 TX Blade J4862A 24Port10 100 TXBlade Local Server Workgroup Printer Workgroup Scanner IP Telephony Workgroup 2 hp procurve switch 4108gl IP Telephony Workgroup 1 J4862A 24 Port 10 100 TX Blade Video Conferencing J4862A 24 Port 10 100 TX Blade J4863A Gigabit Copper Blade 1 X 2 X 3 X 4 X 5 X 6 X VA 7100 Storage Arrays SilkWorm 2400 Fibre Channel Switch J6000 NAS Head Dual Gig Links Application Se...

Страница 11: ... Technology provides media speed connections for NAS file transfers to and from the servers without crossing the central switching fabric 36 6 Gbps Central Switching Fabric 24 24 24 Inter Module Connections Localized Intra Module Traffic Flows Inter Module Traffic Flows 24 6 Network Attached Storage 36 6 Gbps Central Switching Fabric 24 24 24 24 24 24 Inter Module Connections Localized Intra Modul...

Страница 12: ...oup Scanner IP Telephony Workgroup 2 hp procurve switch 4108gl IP Telephony Workgroup 1 J4862A 24 Port 10 100 TX Blade Video Conferencing J4862A 24 Port 10 100 TX Blade J4863A Gigabit Copper Blade 1 X 2 X 3 X 4 X 5 X 6 X VA 7100 Storage Arrays SilkWorm 2400 Fibre Channel Switch J6000 NAS Head Dual Gig Links Dual Homed Application Servers J4862A 24 Port 10 100 TX Blade J4863A Gigabit Copper Blade 1...

Страница 13: ...ty gigabit Ethernet switches The HP Procurve Switch 4108gl can provide a solution for this where simple fast Layer 2 gigabit aggregation is desired The HP Procurve Switch GL 100 1000 Module J4863A and HP Procurve Switch GL Transceiver Module J4864A for the 4108gl provide intra module wire speed gigabit switching For inter module switching the high speed 36 6Gbps central switching fabric provides m...

Страница 14: ...6 7 8 9 1 0 1 1 1 2 L i n k M o d e M o d e L i n k 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 1 2 0 2 2 2 3 2 4 C l e a r M o d e S e l e c t F d x A c t 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 1 0 X 1 1 X 1 2 X 1 3 X 1 4 X 1 5 X 1 6 X 1 7 X 1 8 X 1 9 X 2 0 X 2 1 X 2 2 X 2 3 X 2 4 X 1 0 1 0 0 B a s e T P o r t s 1 0 0 R e s e t M o d u l e S t a t u s S e l f T e s t C o n s o l e H P J 4 0 9 3 A P r o C u r v e ...

Страница 15: ...a gigabit aggregator switch Figure 5b depicts the traffic flows for the example showing the 4108gl acting as a gigabit aggregator switch All traffic localized to the gigabit modules gets switched at wire speed on the module and never has to traverse the central switch fabric For inter module traffic the 36 6 Gbps multi path central switching fabric provides adequate throughput for most application...

Страница 16: ...u l e S t a t u s S e l f T e s t C o n s o l e H P J 4 0 9 3 A P r o C u r v e S w i t c h 2 4 2 4 M S D P o w e r F a u l t 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 L i n k M o d e M o d e L i n k 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 1 2 0 2 2 2 3 2 4 C l e a r M o d e S e l e c t F d x A c t 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 1 0 X 1 1 X 1 2 X 1 3 X 1 4 X 1 5 X 1 6 X 1 7 X 1 8 X 1 9 X 2 0 X 2 1 X 2 2 X 2 3 X 2 ...

Страница 17: ...ase visit our web site at www hp com go hpprocurve All brand names are trademarks of their respective owners Technical information in this document is subject to change without notice ª Copyright Hewlett Packard Company 2001 10 2001 Page 17 of 17 ...

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