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© 2008 Cisco Systems, Inc. All rights reserved.

Cisco Public

1

C97-404-735-00 

Ethernet Power 
Consumption for 
Cisco

®

Switches

Summary of Contents for 2960-48TC - Catalyst Switch

Page 1: ... 2008 Cisco Systems Inc All rights reserved Cisco Public 1 C97 404 735 00 Ethernet Power Consumption for Cisco Switches ...

Page 2: ... 2008 Cisco Systems Inc All rights reserved Cisco Public C97 404 735 00 2 Introduction Why is network power consumption important How can we measure it How much power do Ethernet switches consume ...

Page 3: ...wer consumption contributes to a company s carbon footprint Miercom was commissioned by Cisco to measure power consumption in Ethernet switches Power Consumption Examples 33 watts is the power consumed by a ceiling fan at average speed 60 watts is the power required to light an incandescent bulb 80 watts is the power consumed by an average PC 200 watts is the power consumed by an average LCD ...

Page 4: ...l BayStack 5510 48T HP ProCurve 2650 Cisco Catalyst 3560E 48PD Cisco Catalyst 3750E 48PD F 3Com 5500G E HP ProCurve 3500yl 48G Device Under Test 5 and 100 throughput traffic generated Frame size sequence 64 128 256 512 1024 1280 and 1518 bytes Layer 2 and Layer 3 tested 1GE and 10GE tested KillAWatt is u measure the power consumption for each device under test Traffic Generator sed to KillAWatt ...

Page 5: ...04 735 00 5 Results 100 Throughput Power Consumption at 100 37 56 122 129 142 143 161 205 212 Fast Ethernet GE no PoE Up to 10 Gig PoE HP ProCurve 2650 Cisco 2960G Nortel Baystack 5510 Cisco 3560 E Cisco 3750E Cisco 3750 G 3Com 5500 G E ProCurve 3500yl Cisco 2960 ...

Page 6: ... Switches Power Consumption of Layer 2 switches at 100 0 20 40 60 80 100 120 140 Cisco WS C2960 HP Procurve 2650 Cisco WS C2960G Supports Gigabit Ethernet The Cisco WS C2960G supports Gigabit Ethernet The other switches support only Fast Ethernet which results in increased power consumption ...

Page 7: ...0 7 Results Layer 3 Switches Power Consumption of Layer 3 switches at 100 0 50 100 150 200 250 Nortel Baystack 5510 Cisco 3560 E Cisco 3750E Cisco 3750 G 3Com 5500G E HP3500yl Supports Gig E 10 100 1000 Stackable Supports up to 10 Gig Stackable Supports up to 10 Gig Fixed ...

Page 8: ...0E 2x10GB Uplinks 100 HP 3500yl 48 Cu uplinks 100 HP 3500yl fiber uplinks 100 HP 3500yl 2x10GB Uplinks 100 3Com 5500G E Cu Uplinks 100 3Com 5500G E Fiber Uplinks 100 140 160 180 200 220 240 Power Consumption Watts Cisco switches consume 33 less power than 3Com and HP switches 3Com 5500G E 2x10GB Uplinks 100 120 64 128 256 512 1024 Packet Size Bytes 1280 1518 The Continued Innovation in the Cisco E...

Page 9: ...s Layer 3 Cisco 3750 E vs 3750 G Series 170 Cisco 3750 E Cu Uplinks 100 165 130 135 140 145 150 155 160 Power Consumption Watts Cisco 3750 E 2x10G Uplinks 100 Cisco 3750 G Fiber Uplinks 100 Cisco 3750 E Fiber Uplinks 100 125 Cisco 3750 G Cu Uplinks 100 120 64 128 256 512 1024 1280 1518 Packet Size Bytes ...

Page 10: ...Cost per Kwh 10 cents Cost per day 2 07 Cost per year 755 98 HP Procurve 3500yl Comparative study Power per switch 143 W Power in a 3 switch rack 429 W Heat dissipated in BTU 1 W 3 41 BTU 1462 89 BTU Power consumed in cooling 1 BTU 0 105 W Power consumed for cooling 153 60 W Total power consumed by switch 582 60 W Cost per Kwh 10 cents Cost per day 1 39 Cost per year 510 36 Cisco 3750 E 245 62 is ...

Page 11: ...erved Cisco Public C97 404 735 00 11 More use for energy expense Run a PC and a 3750E at the cost of a HP 3500yl Environmental Benefits Reduce your Co2 emission by 55 ton Decrease your carbon footprint Observation Continued Financial Saving ...

Page 12: ...A Watt Saved Is A Watt Earned C97 404 735 00 2008 Cisco Systems Inc All rights reserved Cisco Public ...

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