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Catalyst 4500 Bootcamp
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 1
Chapter 2: Power over Ethernet (PoE) / EnergyWise
Hardev Singh
Technical Marketing Engineer
Campus Switching Solutions Technology Group
April 2009
� PoE Overview
� Phone detection, classification and power-up
� PoE Linecards, Power Supplies and Inline power modes
� 4500 Green features
� Environmental Power Monitoring
Agenda
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 2
� Environmental Power Monitoring
� PoE Troubleshooting
� Cisco EnergyWise
An innovation for managing power in the Campus
Power over Ethernet
� Power over Ethernet or PoE technology describes a system
to transmit electrical power, along with data, to remote
devices over standard twisted-pair cable in an Ethernet
network.
� This technology is useful for powering:
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 3
� This technology is useful for powering:
IP telephones
Wireless LAN access points
Network cameras
Other network appliances
PoE powered
Wireless
Access Point
PoE powered
IP-Phone
Catalyst 4500 Power over Ethernet Support
PoE capable PS that can deliver 48V DC.
PoE powered
camera
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 4
Catalyst 4500 10/100/1000 PoE
Module
10/100/1000
Ethernet w/out
PoE
� Architected for Unified
Communications
� Strong redundant
power supplies
� Granular QoS for
voice quality
� Management simplicity
Cisco Catalyst 4500 PoE portfolio
High High PoEPoE density reduces the cost and density reduces the cost and complexity of complexity of wiring closet deploymentwiring closet deployment
Low Low cost of deployment and flexibility cost of deployment and flexibility to provision circuits asto provision circuits as--youyou--growgrow
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 5
complexity of complexity of wiring closet deploymentwiring closet deployment
Option Option to pick the right size solution at the to pick the right size solution at the right priceright price
Software Software
FeaturesFeatures
PoEPoE MonitoringMonitoring
PoE PolicingPoE Policing
Idle SlotIdle Slot--
OptimizationOptimization
How to Deploy Power over Ethernet (PoE)
Power Sourcing Equipment
(PSE) (such as a Cisco
Catalyst LAN Switch Port)
There are two primary components of a PoE deployment:
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 6
Powered Device (PD)
Inserts power over the Ethernet cable
Accepts and utilizes delivered inline power
Understanding Power Redundancy
The 4500 can utilize two power supplies to work in either combined or redundant mode
Redundant Mode Combined Mode
50% 50%
Switch
83% 83%
Switch
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 7
In redundant mode, each power supply operates at 50% capacity and provides the same total power as a single power
supply – if one fails, the backup reverts to providing 100% power
In combined mode, each power supply operates at 83% - if one fails, then the
running supply provides 100% of its power capacity
Power Supply 1 Power Supply 2 Power Supply 1 Power Supply 2
Effects of Power ChangesRedundant to Non Redundant
When changing from redundant mode to non redundant mode, the following occurs
Switch Switch
50% 50% 83% 83%
Redundant Mode Combined Mode
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 8
1. System log and SYSLOG messages generated
2. System power is increased to 83% for both supplies, this providing 167% of power supply total capacity
3. If any modules were marked power deny due to insufficient power will be brought online if enough power is available
Effects of Power ChangesNon Redundant to Redundant
When changing from Non redundant mode to redundant mode, the following occurs
Switch Switch
50%
Combined Mode Redundant Mode
50%83% 83%
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 9
1. System log and SYSLOG messages generated
2. System power is decreased to power of one power supply - each power supply would normally revert to 50% operational capacity
3. If module configuration exceeds available power, modules powered down from bottom slot upwards – inline devices are powered down from highest port to lowest port until power requirement is within available limits
Effects of Power ChangesPSU removed Redundant configuration
When adding a Power Supply to a redundant mode switch, the following occurs
Switch Switch
50% 100%
Redundant Mode Redundant Mode
Empty
50%
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 10
1. System log and SYSLOG messages generated
2. System power is increased in first power supply to 100%
3. There is no change in power status for modules as there is not a change in available power
Catalyst 4500 Series Power Supplies
The Catalyst 4500 supports two
power configuration options:
–Data Only
-12VDC
data power
Data Only
AC or
DC
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 11
–Data + Power over EthernetData + Power over Ethernet
-12VDC
data power
-48VDC
PoE
AC or
DC
Each PoE line card has two connections to the chassis backplane:
One connects to the -12VDC power trace
One connects to the -48VDC power trace
Flexible Power OptionsAC and DC Power: PoE Future Proofing
Data Only
AC or DC
-12 VDCData
1000WAC – Data only power supply for 3, 6, and 7 slot chassis
1400WAC – Data only power supply for 10 slot chassis
1400W DC – Data only triple input power supply for Service Providers
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 12
Data and Voice
AC or DC
-12 VDCData
-48 VDCPoE
Datapower supply for Service Providers
1300WAC – Low density PoE power supply for small IPTel or Wireless
2800WAC – Mid-range PoE power supply
4200WAC – Mid-range PoE power supply with dual inputs
1400W DC-P – Large PoE power supply able to power 384 class 3 phones
6000WAC* – High end PoE power supply with dual inputs
Catalyst 4500 1400W DC-P Power Supply
High Capacity PoE Power Supply
-The original DC power supply and
high end PoE
-replaced by triple input 1400W DC
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 13
-replaced by triple input 1400W DC
for service providers
-Positioned as our high end PoE
supply
Data Max 1400W
PoE Max 8500W
Total Power 8500W
External AC Power Shelf
High Density PoE Deployments
Used with 1400-WDC-P PS
AC Power Shelves can be StrappedProvides up to 7500W DC Power
2500W PS
StrappedShelves
Catalyst 4500 1400W DC-P – Power Shelf
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 14
2500W AC Data + VoicePower Shelf
PWR-4502
PWR-C45-1400DC-P1400W DC Data + Voice
Power Supply
Provides up to 7500W DC Power
Integrated PoE: 2500W Per PSData: 1400WMax Power: 7500W
Heat Dissipation: 1210 BTU/hrPer 2500W Power Supply
15A @ 200V
Catalyst 4500 4200W AC Power Supply
4200W AC Data and Voice
Mid-range PoE supply
- Fixed PoE and Data power output
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 15
- x 12A @ 110V or 2x 12A @ 220V
Data Max 220v 1400W
PoE Max 220v 3700W
Total Power 4200W
N+1 Redundancy on 4200W PS “5500W”Actual 4200W SupplyVirtual 4200W Supply
Subunit 1 and 2
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 16
4x 220V inputs = 5500W of N+1 redundant power (280 Class 3 PDs)
4x 110V inputs = 2728W of N+1 redundant power (119 Class 3 PDs)
4500(config)#power redundancy-mode combined max inputs 3
� Dual AC input power supply
(110V-220V, 15Amp)
� Up to 2200 W Data and
4800W inline power support
Catalyst 4500- 6000W AC Power Supply
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 17
� Supports high PoE on fully
loaded 4507R-E
� Accurate power consumption
reporting
Power Loss
• AC power supplies convert AC power to DC
(15% loss)
• PoE line cards do a DC to DC conversion
• (11% loss)
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 18
• Ethernet cable carries -48V DC to PDs
•(0-20% loss)
“To get 12.8 watts at the phone you need 20.4 watts
from the wall”
Definition of Enhanced PoE
–Delivers higher power than 802.3af (Class 3, 15.4W) but up to 20 Watts/port
–This is a Cisco proprietary standard and is not IEEE 802.3at/POEP
Example:
Operation when AP1250 is plugged into a Cisco switch
Enhanced PoE (ePoE)
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 19
1. AP boots up as a class 3 device2. Switch and AP auto-negotiate a higher
power level using CDP3. If the Switch cannot provide adequate
power, then the radios remain OFF AP1250 C4500-E
A dual-radio AP1250 with one radio disabled draws higher power than 802.3af can deliver!
15.4 Watts are enough for
most PD devices today
But a number of devices
today require more power!
IP Phones802.11n dual radio APs
Why do we need 802.3at (PoE+), a.k.a. PoEP?
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 20
Cameras with PTZ
Thin Clients?
IP Cameras
IP Video Phone with touch screen Wireless Access Points
Badge Readers
� IEEE802 created in December 2004 a study group called PoEPlus
� PoE+ has turned into 802.3at(http://www.ieee802.org/3/at/ )
� The objectives approved in September 2005 as binding for the IEEE802.3at Power over Ethernet Enhancements Task
Evolution of the IEEE 802.3atPoE Standard
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 21
the IEEE802.3at Power over Ethernet Enhancements Task Force:
802.3at should operate on CAT5E and higher infrastructure.
A High Power 802.3at PSE must be backwards compatible with 802.3af, being able to power both 802.3af and 802.3at PD's
802.3at should provide the maximum power to PD's as allowed within practical limits, at least 30W
802.3at PD's, when connected to a legacy 802.3af PSE, will provide the user an indication that an 802.3at PSE is required.
Product ID Description Performance 802.3af
compliant
ePoE
Capable
30W
capable
WS-X4648-RJ45V-E 48 port 10/100/1000 24 G YES YES
WS-X4648-RJ45V+E 48 port 10/100/1000 24G YES YES YES
WS-X4548-GB-RJ45V+ 48 port 10/100/1000 6G YES YES YES
WS-X4524-GB-RJ45V 24 port 10/100/1000 6G YES
PoE Linecards and Supervisors
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 22
WS-X4548-GB-RJ45V 48 port 10/100/1000 6G YES
WS-X4506-GB-T 6 port 10/100/1000 6G YES
WS-X4224-RJ45V 24 port 10/100 6G YES
WS-X4248-RJ45V 48 port 10/100 6G YES
WS-X4248-RJ21V 24 port 10/100 6G YES
WS-X4148-RJ45V 48 port 10/100 6G
Supply Type Data
Redundant
Inline
Redundant
Inline
Combined
4200 W AC 1360+40W 3700 W 6200 W
2800 W AC 1360 W 1400 W 2333 W
1300 W AC Up to 1000 W Up to 800 W 1333 W
PoE Power Supplies
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 23
1300 W AC Up to 1000 W Up to 800 W 1333 W
2500 W AC - 2500W per unit -
1400DC-P 1367W + 40W [7500W – (data power)] -
External Power
Shelf for 4006
N/A, for PoE only 2+1 redundancy
(2 are needed)
1600 W
•When more than 2800W of redundant data and PoE is required in an AC-powered environment, use external power shelf.
•Each power shelf can house two 2500 WAC power supplies. When two power shelves are combined, they can produce 7500W- the remaining 2500W supply can be used for N + 1 protection.
� PoE Overview
� Phone detection, classification and power-up
� PoE Linecards, Power Supplies and Inline power modes
� 4500 Green features
� Environmental Power Monitoring
Agenda
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 24
� Environmental Power Monitoring
� PoE Troubleshooting
� Cisco EnergyWise
An innovation for managing power in the Campus
Phone Plugged in
Switch detects IP Phone and applies power
CDP Transaction between Phone and Switch
IP Phone placed in proper VLAN
DHCP request and initialization
Cisco Pre-standard: Classification
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 25
Phone exchanges CDP messages with exact power requirements after initial power-up
The classification is a one time activity until the next shut down
PD Plugged in
Switch detects IEEE PD
PD is classified
Power is Applied
1. It’s a IEEE PD
2. PD Classified
3. Power Up
IEEE 802.3af : Detect, Classification & Power Up
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 26
Class Usage
Maximum Power Levels
at Input of Powered Device
[Watt]
0 Default 0.44 to 12.94
1 Optional 0.44 to 3.84
2 Optional 3.84 to 6.49
3 Optional 6.49 to 12.95
4 Reserved (PSEs classify as Class 0)
Catalyst IEEE POE Line Card Applies Power
AFTER PD classification which uses the
Measured Current Method and one of the
four classes is selected.
There are three main areas where the switch interacts with the Cisco IP Phone – they are in the areas of delivery of inline power, VLAN tagging, and extended trust settings.
Data VLANAuxiliary (Voice) VLAN
Segregated VLAN’s for Voice and Data traffic
Understanding IP Phone Support
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 27
Inline power delivery to power the Phone Re-tagging packets from downstream device to a value
pre-determined by the administrator
Voice Traffic needs are different to normal Data – it is more latency sensitive and is not as tolerant of packet drops. For this reason, most design guides advocate separating Data and Voice traffic into separate VLAN’s. The Auxiliary (Voice) VLAN is designed to carry Voice only traffic
Data VLANAuxiliary (Voice) VLANStrict Priority Queue
Understanding Auxiliary VLAN’sWhy the need?
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 28
Keeping Voice data separate from normal Data reduces contention and potential for packet drops, as well as improving latency - CDP is used to instruct the Phone to use the Auxiliary VLAN
Normal QueueNormal Queue
The default inline power allocation can be changed using the following command
C4500-E(config-if)# switchport voice ?vlan Vlan for voice traffic
C4500-E(config-if)# switchport voice vlan ?<1-4094> Vlan for voice trafficdot1p Priority tagged on PVIDnone Don't tell telephone about voice vlanuntagged Untagged on PVID
Configuring Voice VLAN
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 29
untagged Untagged on PVID
C4500-E(config-if)# switchport voice vlan 500
In this example, traffic from the phone will be tagged to be in VLAN 500
C4500-E(config-if)# switchport voice vlan dot1p ?<cr>
C4500-E(config-if)# switchport voice vlan dot1p
Tag packets with priority but let voice packet remain in access VLAN
� PoE Overview
� Phone detection, classification and power-up
� PoE Linecards, Power Supplies and Inline power modes
� 4500 Green features
� Environmental Power Monitoring
Agenda
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 30
� Environmental Power Monitoring
� PoE Troubleshooting
� Cisco EnergyWise
An innovation for managing power in the Campus
PoE Linecards capable of 30W per port
WS-X4648-RJ45V+E• ePoE Capable
• Supports PoE monitoring and
policing
• 24 Gbps backplane capacity
• 802.3x flow control
• 2:1 oversubscribed
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 31
WS-X4548-RJ45V+• ePoE Capable
• Supports PoE monitoring and
policing
• 6 Gbps backplane capacity
• 8:1 oversubscribed
How to calculate PoE devices per Power Suppy
Port Wattage 15.4 (class 3)
Linecard Efficiency 0.89
Power Supply Redundant mode PoE Power Ports in redundant Mode
1300W 800 46
2800W 1400 80
4200W (110V) single input 700 40
4200W (110V) two inputs 1850 106
4200W (110V) 3 inputs (n+1) redundant 2000 115
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 32
4200W (110V) 3 inputs (n+1) redundant 2000 115
4200W (220V) single input 1850 106
4200W (220V) two inputs 3700 213
4200W (220V) 3 inputs (n+1) redundant 4700 271
6000W (110V) single input 922 53
6000W (110V) two inputs 1850 106
6000W (110V) 3 inputs (n+1) redundant 2560 147
6000W (220V) single input 2400 138
6000W (220V) two inputs 4800 277
6000W (220V) 3 inputs (n+1) redundant 6600 381
1400W DC with 3 shelves 7220 417
Power
Supply
Power Input Product
Family
Average
Load
100%
Load
4200ACV
115VAC 4500 78.78% 86.03%
230VAC 84.94% 89.31%
1400ACV
115VAC 4500 81.37% 82.34%
230VAC 83.68% 85.48%
115VAC 4500
4500 Series Power Supply Efficiency
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 33
1300ACV
115VAC 4500 79.22% 84.05%
230VAC 81.36% 87.44%
1000ACV
115VAC 4500 80.19% 81.00%
230VAC 82.01% 83.80%
1000ACV
115VAC 4900M 82.70% 84.50%
230VAC 82.52% 87.20%
1400DC 48VDC 450078.45% 80.68%
1000DC 48VDC 4900M81.95% 79.54%
300DC 48VDC 49XX82.56% 82.61%
Wireless Access Point Typical Power Draw
(Watts)
AP1100 4.9
Wireless Access Point Power Requirements
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 34
AP1200- 802.11a 8
AP1200- 802.11b/g 6
AP1200- 802.11a/b 11
AP1250- 802.11n
(dual radios)
18.5
� PoE Overview
� Phone detection, classification and power-up
� PoE Linecards, Power Supplies and Inline power modes
� 4500 Green features
� Environmental Power Monitoring
Agenda
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 35
� Environmental Power Monitoring
� PoE Troubleshooting
� Cisco EnergyWise
An innovation for managing power in the Campus
•PoE MonitoringPoE Monitoring lets you display the true power consumption of inline powered devices attached to the switch, so you have an idea of your actual power consumption
•PoE Policing
Power Monitoring and Policing – 12.2(50)SG
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 36
•PoE PolicingPoE Policing protects a switch from faulty inline powered devices that may draw more current than they were designed for!
These functionalities are supported on the following linecards:
WS-X4548-RJ45V+WS-X4648-RJ45V-EWS-X4648-RJ45V+E
C4500-E#show module
Chassis Type : WS-C4510R-E
Power consumed by backplane : 40 Watts
Mod Ports Card Type Model Serial No.---+-----+--------------------------------------+------------------+-----------3 48 10/100/1000BaseT POE E Series WS-X4648-RJ45V-E JAE1129QL9N4 48 10/100/1000BaseT Premium POE E Series WS-X4648-RJ45V+E JAE1129QSAV5 6 Sup 6-E 10GE (X2), 1000BaseX (SFP) WS-X45-SUP6-E JAB112200CX6 6 Sup 6-E 10GE (X2), 1000BaseX (SFP) WS-X45-SUP6-E JAB1122009C
PoE Monitoring - How much Allocated?
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 37
<SNIP>C4500-E#show power inline | include on
Gi3/2 auto on 6.8 6.3 IP Phone 7960 n/a Gi3/11 auto on 13.9 12.9 IP Phone 7961 3 Gi3/22 auto on 6.8 6.3 IP Phone 7960 n/a Gi3/23 auto on 6.8 6.3 IP Phone 7960 n/a Gi3/29 auto on 13.9 12.9 IP Phone 7961 3 Gi3/34 auto on 11.0 10.3 IP Phone 7970 3 Gi3/47 auto on 11.0 10.3 IP Phone 7970 3 Gi4/4 auto on 6.8 6.3 IP Phone 7960 n/a Gi4/39 auto on 16.6 15.4 Ieee PD 3 Gi4/40 auto on 16.6 15.4 Ieee PD 3 Gi4/41 auto on 16.6 15.4 Ieee PD 3 Gi4/42 auto on 16.6 15.4 Ieee PD 3 Gi4/48 auto on 6.8 6.3 IP Phone 7960 n/a Totals:13 on 171.4 159.4
C4500-E#show power inline police | exclude 0.0
Available:431(w) Used:171(w) Remaining:260(w)
Interface Admin Oper Admin Oper Cutoff OperState State Police Police Power Power
--------- ------ ---------- ---------- ---------- ------ -----Gi3/2 auto on log ok 7.1 2.0 Gi3/11 auto on log ok 14.6 7.2 Gi3/22 auto on log ok 7.1 3.4 Gi3/23 auto on log ok 7.1 4.0
PoE Monitoring – How Much Consumed?
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 38
Gi3/23 auto on log ok 7.1 4.0 Gi3/29 auto on log ok 14.6 7.2 Gi3/34 auto on log ok 11.6 3.8 Gi3/47 auto on log ok 11.6 3.8 Gi4/4 auto on log ok 7.1 3.4 Gi4/39 auto on log ok 17.4 4.2 Gi4/40 auto on log ok 17.4 4.0 Gi4/41 auto on log ok 17.4 4.0 Gi4/42 auto on log ok 17.4 4.2 Gi4/48 auto on log ok 7.1 4.0 --------- ------ ---------- ---------- ---------- ------ -----Totals: 55.0
� PoE Policing threshold based on what power is allocated to the device via
Configured consumption
IEEE Class
CDP Negotiation
PoE Policing
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 39
� When device draws more power than allocated, power to device is shut off
� User can configure to either log a message and restart device, or put port in
errdisable state.
� PoE Policing turned off by default
� Default PoE Policing action is to errdisable the port
� Turn on default PoE Policing by entering the following:
PoE Policing
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 40
C4500-E(config)# int g2/1C4500-E(config-if)# power inline policeC4500-E(config-if)# end
C4500-E# show power inline police g2/1
Available:800(w) Used:32(w) Remaining:768(w)Interface Admin Oper Admin Oper Cutoff Oper
State State Police Police Power Power--------- ------ ---------- ---------- ---------- ------ -----Gi2/1 auto on errdisable ok 17.2 16.7
When a PD consumes more than the allocated power, the port shuts down and
a log message prints to the console reflecting this:
INLINEPOWEROVERDRAWN: Inline powered device connected on port Gi2/1 exceeded its policed threshold.
ERR_DISABLE: inline-power error detected on Gi2/1, putting Gi2/1 in err-disable state
PoE Policing
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 41
C4500-E# show power inline police g2/1
Available:800(w) Used:16(w) Remaining:784(w)
Interface Admin Oper Admin Oper Cutoff OperState State Police Police Power Power
--------- ------ ---------- ---------- ---------- ------ -----Gi2/1 auto errdisable errdisable overdrawn 0.0 0.0
1
WSWS--C4510R / WSC4510R / WS--C4510RC4510R--E E Packet Processor ASICs and Stub ASICs on Line Cards contain fabric ports that consume additional Power
All Fabric ports are On
Idle Slot Power Optimization
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 42
IPP (Intelligent Packet Processor)
ASIC
2
3
4
7
8
10
9
1
2
3
4
7
8
9
10
Fabric ports
Sup6-E
Benefit:
Software simply turns fabric Ports Not In Use
Sup6-E and 4900-M running 12.2(50)SG or Later
1
2Fabric Ports
WSWS--C4510RC4510R /WS/WS--C4510RC4510R--E E Off
Idle Slot Power Optimization
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 43
IPP (Intelligent Packet Processor)
ASIC
2
3
4
7
8
10
9
1
2
3
4
7
8
9
10
Fabric Ports
On
Off
Sup6-E
Actual Power Consumption vs. Datasheet
http://tools.cisco.com/cpc/
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 44
Typical usageMax for capacity planning
Power consumption on Supervisors
Watts consumed/ Gbps Performance
2.5
3.0
3.5
4.0
70% decline in power consumed/ Gbps
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 45
0.0
0.5
1.0
1.5
2.0
2.5
Sup II+ Sup 6E
Power Comparison ChartCatalyst 4507E versus ProCurve 5412 & 8212
240 ports of 10/100/1000 and 2 ports of 10GE
32-35%
35-36%
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 46
47%
35%
36%
Is increasing your annual power costs 32% to 36% per switch an acceptable alternative?
Catalyst 3xxx & 4948 vs ProCurvePower Consumption32 -56%
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 47
Is increasing your annual power costs 32% to 56% per switch an acceptable alternative?
� PoE Overview
� Phone detection, classification and power-up
� PoE Linecards, Power Supplies and Inline power modes
� 4500 Green features
� Environmental Power Monitoring
Agenda
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 48
� Environmental Power Monitoring
� PoE Troubleshooting
� Cisco EnergyWise
An innovation for managing power in the Campus
� Prevents permanent damage to hardware
� Supported on Supervisor 6-E and E-Series linecards
� Inlet and outlet sensors1
� 1°C precision
Temperature Monitoring
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 49
� 5°C hysteresis
� Crossing threshold triggers log message and trap2
1. Number of sensors specific to supervisor and linecard type.2. Traps enabled for warning and critical thresholds only.
Alarm Thermal Emergency Hardware State
Warning No Online
Critical Yes1 Power down after
approximately 15 minutes if
persistent
Shutdown Yes Power down after
Temperature Monitoring, continued
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 50
Shutdown Yes Power down after
approximately 30 seconds if
persistent
� After power down, power up linecards if:Fan tray is operational AND critical and shutdown temperature alarms are cleared
� After power down, the supervisor will remain powered down
1. Thermal emergency reviewed once every 5 seconds.
� Supervisor crosses WARNING threshold
� Chassis stays online
� No timer
%C4K_IOSMODPORTMAN-4-MODULETEMPHIGH: Module 1 Sensor
Temperature Monitoring, continued
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 51
%C4K_IOSMODPORTMAN-4-MODULETEMPHIGH: Module 1 Sensor air outlet temperature is at or over threshold -CurrentTemp: 70C, Threshold: 69C
Catalyst-4500-E# show environment temperature
Module Sensor Temperature Status ------+----------------+---------------------+--------1 air inlet 49C (51C,65C,68C) ok1 air outlet 70C (69C,83C,86C) warning
� Supervisor crosses CRITICAL threshold
� 15-minute shutdown timer starts
� 15-minute timer reset at critical threshold minus 5°C
� Service switch immediately
Temperature Monitoring: Single Sup 6-E
© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 52
%C4K_IOSMODPORTMAN-4-MODULECRITCIALTEMP: Module 1 Sensor air outlet temperature is at or over critical threshold - current temp: 84C, critical threshold: 83C
Catalyst-4500-E# show environment temperature
Module Sensor Temperature Status ------+----------------+--------------------+---------1 air inlet 49C (51C,65C,68C) ok1 air outlet 84C (69C,83C,86C) critical
� Supervisor crosses SHUTDOWN threshold
� 30-second shutdown timer starts
� 30-second timer reset at shutdown threshold minus 5°C
� Toggle power switch or use power-cycler to boot switch
Temperature Monitoring: Single Sup 6-E
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%C4K_IOSMODPORTMAN-4-MODULESHUTDOWNTEMP: Module 1 Sensor air outlet temperature is at or over shutdown threshold - current temp: 86C, shutdown threshold: 86C
Catalyst-4500-E# show environment temperature
Module Sensor Temperature Status ------+-----------------+--------------------+---------1 air inlet 49C (51C,65C,68C) ok1 air outlet 86C (69C,83C,86C) shutdown
� PoE Overview
� Phone detection, classification and power-up
� PoE Linecards, Power Supplies and Inline power modes
� 4500 Green features
� Environmental Power Monitoring
Agenda
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� Environmental Power Monitoring
� PoE Troubleshooting
� Cisco EnergyWise
An innovation for managing power in the Campus
� Software configuration support your PoE needs?
power redundancy-mode redundant
power redundancy-mode combined
power inline consumption default (global command)
1+1 power supply configuration
Troubleshooting PoECorrecting Oversubscription
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power inline consumption default (global command)
power inline auto [max]
power inline consumption
power inline never
power inline static [max]
� Which phone will be powered down 1st?
Highest numbered slot, highest numbered port
Powered up first, powered down last, and power always reserved
Used for data-only ports
Example – 4507R with 48 port line card in slot 7 = Slot7/48
auto max 8000
1300 W AC power supplies in combined mode
power inline configs
C4500-E# show power inline module 5
Available:1333(w) Used:46(w) Remaining:1287(w)
Interface Admin Oper Power(Watts) Device
From PS To Device
--------- ------- ---- ------- --------- -------------
Fa5/1 auto on 7.1 6.3 IP Phone 7960
Troubleshooting PoEFine-tuning Inline Power Allocation
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static max 8000
auto max 8000
consumption 8000
never
auto
static
auto max 8000: allocate 8 watts or less based on class or CDP
consumption 8000: allocate 8 watts when phone connected
static: allocate maximum per-port wattage whether phone is connected or not
auto: allocate power specified by class or CDP (default)
never: never allocate power to port
static max: allocate 8 watts whether phone is connected or not
Fa5/1 auto on 7.1 6.3 IP Phone 7960
Fa5/2 auto on 9.0 8.0 IP Phone 7910
Fa5/3 off off 0.0 0.0 n/a
Fa5/4 auto on 7.1 6.3 IP Phone 7960
Fa5/5 static on 17.3 15.4 Cisco PD
Fa5/6 static on 9.0 8.0 IP Phone 7960
� PoE Overview
� IP Phone detection, classification and power-up
� PoE Linecards, Power Supplies and Inline power modes
� 4500 Green features
� Environmental Power Monitoring
Agenda
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� Environmental Power Monitoring
� PoE Troubleshooting
� Cisco EnergyWise
An innovation for managing power in the Network
� Customers want energy solutions from Cisco—
Want to measure and control energy of IT and building systems
� Cisco responded by developing EnergyWise
EnergyWise is a new Cisco energy management architecture available on Cisco products
Cisco EnergyWise
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EnergyWise allows IP operations and facilities to measure and fine-tune power usage to realize significant cost savings
EnergyWise focuses on reducing power utilization on all devices connected to a Cisco network ranging from PoE devices such as IP phones and wireless APs to integrate with IP-enabled building and lighting controllers
� Switch as a unit of power aggregation
� Increase the span of control of the switch for power
� Provide time of day and location controls
� Manage a community of switches as a domain
� Don’t use Network Management, advance Network
EnergyWise Goals
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� Don’t use Network Management, advance Network Management
� Allow the network to be the command and control plane
� No single point of control or failure
MSEEnergyWise
Management
Application
EnergyWise
Management SNMP
Management
API
TCP
(HMAC SHA1)
LMS
Third Party Power
Management
ApplicationsLocation
An EnergyWise Network
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Communications
Domain – logical
grouping of entities
(Child/ Neighbor)
Entity (unique ID)
under one domain
MIB (power usage,
policy, alarm)
Building
Field
Controller
EnergyWise
Entities
AP
Wireless
Controller
API
EnergyWise
Domain
Wireless Client
There is a standard set of levels that all devices observe:
Mode Color Color Level Label
Red10 Full
9 High
OperationalYellow
8 Reduced
7 Medium
EnergyWise Categories
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Yellow7 Medium
Green6 Frugal
5 Low
Blue4 Ready
Standby 3 Standby
Brown2 Sleep
1 Hibernate
Non-
OperationalBlack 0 Shut
C4500-E# show energywise categories
Level Label Color
----- ----- -----
10 Full Red
9 High Red
EnergyWise categories are power levels 0-10, and associated with colors for easy reference.
Displaying Categories
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9 High Red
8 Reduced Yellow
7 Medium Yellow
6 Frugal Green
5 Low Green
4 Ready Blue
3 Standby Blue
2 Sleep Brown
1 Hibernate Brown
0 Shut Black
Powered device or EnergyWiseneighbor is “on full”
Powered device or EnergyWiseneighbor is turned off
� Entities are devices that use power, typically PoE
� Entities have relationships
Parent / Child
Neighbor / Neighbor
Entities and Domains
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Neighbor / Neighbor
� Entities are assigned to a domain
� Security features protect the network
�An EnergyWise domain is a logical grouping of EnergyWiseenabled entities
�All entities in the domain can be visualized as one unit of power consumption
�Each EnergyWise entity belongs to one domain
EnergyWise Domain
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�The Shared Secret of the domain is used to authenticate communication
�Once a domain is configured, EnergyWise is activated on the switch
�All PoE interfaces on the switch are then “EnergyWisecapable”
Begin by creating an EnergyWise domain. This activates EnergyWise on the switch:
C4500-E# show energywise
Verify that EnergyWise is active, and report total available power
C4500-E# config terminal
C4500-E(config)# energywise domain myDomain secret 0 mySecretprotocol udp port 43440 ip 2.2.4.30
C4500-E(config)# exit
Configuring a Domain
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C4500-E# show energywise
C4500-E# show energywise domain
Interface Role Name Usage Lvl Imp Type--------- ---- ---- ----- --- --- ----
PoE Switch C4500 86.0 (W) 10 1 parent
Lvl = Level, power level, 0-10Imp = Importance, a relative number used in power management
Name Domain---- ------C4500 myDomain
� Connected entities in a domain can have a neighbor relationship and/or
a parent-child relationship
� Entities that provide or draw power establish a parent child relationship
EnergyWise Neighbors and Children
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� Entities that are neighbors self discover and form an EnergyWise cloud
SiSi SiSi
Distribution A Distribution B
CDP EnergyWise
CDP Handshake
� When EnergyWise is enabled, EnergyWise discovery events are sent using CDP (on available devices) and then UDP
�This leads to the population of a neighbor table
Neighbor Discovery
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SiSi SiSi
Access A Access B Access C
UDP EnergyWise
UDP Handshake
Alternatively, a user can set static neighbors if the entity is not reachable via CDP or UDP
Neighbors are EnergyWise-aware switches and powered devices.
C4500-E# show energywise neighbors
Capability Codes: R-Router, T-Trans Bridge, B-Source Route Bridge S-Switch, H-Host, I-IGMP, r-Repeater, P-Phone
Id Neighbor Name Ip:Port Prot Capability-- ------------- ------- ---- --------
Show EnergyWise Neighbors in Domain
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-- ------------- ------- ---- --------1 TG3560G-21 2.2.2.21:43440 udp S I2 TG3560G-31 2.2.4.31:43440 static S I3 TG3560G-22 2.2.2.22:43440 cdp S I
After configuration changes, the neighbor table can be cleared and automatically refreshed:
C4500-E# clear energywise neighbors
Cleared all non static energywise neighbors
The parent can process events for EnergyWise children in two ways
Pass through
•Child is EnergyWise aware and events are forwarded directly to the child
EnergyWise Child Care
Building Field
Controller
Proxy
Pass ThroughProxy
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•Child is EnergyWise aware and events are forwarded directly to the child
Proxy For Attached
•The parent will be responsible for events associated with the child entity
Displaying Parent / Child Information
C4500-E# show energywise children
In this example, the switch is the “parent” and the PoE ports and connected devices are “children”. This shows the power used by each connected device:
Interface Role Name Usage Lvl Imp Type--------- ---- ---- ----- --- --- ----
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--------- ---- ---- ----- --- --- ----WS-4500-E C4500-E 86.0 (W) 10 1 parent
Fa1/0/1 interface Fa1.0.1 0.0 (W) 10 1 child||Fa1/0/47 interface Fa1.0.47 0.0 (W) 10 1 childFa1/0/48 interface Fa1.0.48 12.9 (W) 10 1 child
Lvl = Level, power level, 0-10Imp = Importance, a relative number used in power management
Removing EnergyWise Per-Port
Switch(config)# int range gi0/45-48
Switch(config-if-range)# no energywise
All interfaces are added by default when activating EnergyWise. EnergyWise can be turned off on one or more ports without affecting other ports:
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Switch(config-if-range)# end
Switch# show run int gi0/45
!interface GigabitEthernet0/45switchport mode accessno energywise!
What you’d want to know about usage
� What are the provisioned levels for the parent/child?
� What is the current provision level?
� What level is currently provisioned?
� What is the usage?
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� What is the usage?
� How was the usage measured?
� What would be the net change if I change to a different level?
Displaying UsageSwitch# show energywise usage
Interface Name Usage Caliber--------- ---- ----- -------
C4500-E 86.0 (W) max
Switch# show energywise usage children
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Interface Name Usage Caliber--------- ---- -------- -------
C4500-E 86.0 (W) maxFa1/0/1 Fa1.0.1 0.0 (W) presumedFa1/0/2 Fa1.0.2 0.0 (W) presumed||Fa1/0/40 Fa1.0.40 0.0 (W) presumedFa1/0/41 Fa1.0.41 12.9 (W) trusted
Caliber describes how the usage was measured.
Displaying Power Level Data
Available power can be reviewed for the switch and each PoE port:
Switch# show energywise levelLevels (Watts)
Interface Name 0 1 2 3 4 5 6 7 8 9 10
--------- ---- --------------------------------------------------------------
C3750-48P-149 0.0 86.0 86.0 86.0 86.0 86.0 86.0 86.0 86.0 86.0 86.0
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Switch# show energywise level childrenLevels (Watts)
Interface Name 0 1 2 3 4 5 6 7 8 9 10
--------- ---- --------------------------------------------------------------
C3750-48P-149 0.0 86.0 86.0 86.0 86.0 86.0 86.0 86.0 86.0 86.0 86.0
Fa1/0/1 Fa1.0.1 0.0 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4
Fa1/0/2 Fa1.0.2 0.0 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4
Fa1/0/3 Fa1.0.3 0.0 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4
Fa1/0/4 Fa1.0.4 0.0 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4
Displaying Level Data (Current)
This shows presently provisioned power levels in the switch:
Switch# show energywise level current
Interface Name Level Value--------- ---- ----- -----
C3750-48P 10 86.0 (W)
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Switch# show energywise level current children
Interface Name Level Value--------- ---- ----- -----
C3750-48P 10 86.0 (W) Fa1/0/1 Fa1.0.1 10 15.4 (W) Fa1/0/2 Fa1.0.2 10 15.4 (W) Fa1/0/3 Fa1.0.3 10 15.4 (W)
Displaying Predicted Savings (Delta)
These commands show the predicted change (delta) between maximum power and the configured reduced-power setting for the switch and ports:
Switch# show energywise level delta
Levels (Watts)Interface Name 0 1 2 3 4 5 6 7 8 9 10
--------- ---- ------------------------------------------------------------------------
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C4500-E -86.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Switch# show energywise level delta children
Levels (Watts)Interface Name 0 1 2 3 4 5 6 7 8 9 10
--------- ---- ------------------------------------------------------------------------
C4500-E -86.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Fa1/0/1 Fa1.0.1 0.0 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4
|
|
Fa1/0/47 Fa1.0.47 -12.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Fa1/0/48 Fa1.0.48 0.0 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4
�EnergyWise Importance is a way to differentiate between devices in the domain.
�Importance ranges from 1 to 100
�Importance is used to select devices you want to query or set.
�For example:
�An office phone has lower importance as compared to a business critical or
EnergyWise Importance/Priority
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�An office phone has lower importance as compared to a business critical or emergency phone.
�It is critical the emergency phone never go into a sleep mode
�Emergency phone’s importance is set to a value of 100
� By knowing the importance of connected devices, we can then determine the relative importance of our switches in the network.
EnergyWise Importance is a value set on an Entity and can be queried to filter results
Importance can range from 1 to 100
Event Branch
EnergyWise Importance
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Event
•Entity Phone
•Importance of 50
•Action: Set level Shut PSTN
WAN
Branch
EnergyWise
Management
Application
EnergyWise Enabled
P=70
P=40
Shut < 50
Level settings can be set to on, off, or an intermediate level at any time.
This turns PoE on for Ethernet FastEthernet port 0/1:
Switch(config)# interface fa0/1
Switch(config-if)# energywise level 10
Immediate Power Control
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This command turns power off for port Fa0/1:
Switch(config)# interface fa0/1
Switch(config-if)# energywise level 0
power inline never - takes precedence
� Operation 9 to 5
� Power off phones after hours and
power on phones next day
� Legacy phone and switch
Branch Office
Policy Communicated Across Switches
Policy Added to Network
EnergyWise Application Asks to Turn Off Power at 7 PM
Time of Day Controls
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Branch Office
WAN
PSTN
Call
Manager
EnergyWiseManagementApplication
EnergyWise Enabled
Switch Turns On Port Power
Time is 7 AM Switch Executes Policy
Switch Turns Off Port Power
Time Is 7 PM Switch Identities Phones Executes Policy
Time of Day Controls
Power Level settings can have a scheduled recurrence in the IOS configuration. For example, the power level for specific ports can be turned on every day at 8 AM and off at 8 PM:
Switch(config)# int fa0/1Switch(config-if)# energywise level 10 recurrence priority 100 at 0 8 * * *Switch(config-if)# energywise level 0 recurrence priority 100 at 0 20 * * *Switch(config-if)# exit
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The time schedule can be reviewed:
Switch# show energywise recurrences
Id Addr Class Action Lvl Cron-- ---- ----- ------ --- ----1 Fa0/1 QUERY SET 10 minutes: 0 hour: 8 day: * month: * weekday: *2 Fa0/1 QUERY SET 0 minutes: 0 hour: 20 day: * month: * weekday: *
What is the power consumed by the entire domain ?
EnergyWise
Management
596 W
596 Watts!!!The EnergyWise domain of a network is independent of the physical domain, as long as there is connectivity across physical domains. In this example building 3, though
Queries a New Paradigm…
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SiSi
Bldg 10
SiSi
Bldg 3
7 W7 W
7 W
60 W
15 W7 W
15 W
7 W 7 W60 W
100 W100 W
100 W100 W
300 W
100 W
300 Wbuilding 3, though connected to the distribution, is outside the power domain.
This command collects present power used by all devices in the domain
which have the name “phone” (The wildcard “*” is permitted, and finds
“phone.1”, “phone.lobby”, etc.) Alternatively, keywords can be used instead
of names.
Queries Collect Usage Information
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All devices in the domain are searched, looking
for devices that match the name phone.*
C4500-E# energywise query importance 100 name phone* collect usage
EnergyWise query, timeout is 3 seconds:
Host Name Usage---- ---- -----2.2.2.21 phone 15.4 (W)2.2.2.22 phone 15.4 (W)
Queried: 9 Responded: 9 Time: 0.26 seconds
All devices in the domain are searched, looking
C4500-E# energywise query importance 100 name * sum usage
All devices and interfaces in the domain can be selected by using the * wildcard
EnergyWise query, timeout is 3 seconds:
Queries Can Summarize
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All devices in the domain are searched, looking for any name.
EnergyWise query, timeout is 3 seconds:
Total Usage-----------346.3 (W)
Queried: 147 Responded: 147 Time: 0.121 seconds
Query Usage by Keyword (example)
Devices with specific keywords can be queried for usage data. This example queries all devices containing keywords “lobby” or “guest” (no wildcards):
Switch# energywise query importance 100 keyword lobby collect usage
EnergyWise query, timeout is 3 seconds:
Host Name Usage---- ---- -----
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---- ---- -----2.2.4.30 kiosk.17 15.4 (W)
Queried: 1 Responded: 1 Time: 0.0 seconds
Switch# energywise query importance 100 keyword guest sum usage
EnergyWise query, timeout is 3 seconds:
Total Usage-----------154.0 (W)
Queried: 1 Responded: 1 Time: 0.11 seconds
Queries: Setting Power in the Domain
A Query command can be used to set power levels in the Domain. In this example, the power level is set to 10 (on full) for all devices with any name that have a importance of 50 or lower. Individual devices with specific names or keywords can also be specified, including wildcards for part of the name or keyword.
Switch# energywise query importance 50 name * set level 10
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EnergyWise query, timeout is 3 seconds:
!!!!!!!!!!!!!!!!!!!!!!!
Success rate is (47/47) setting entities
Queried: 47 Enacted: 47 Time: 0.16 seconds
If importance 100 is specified and name *, all devices with any name will be set to power level 10.
Note the number of devices queried and responded to verify that it is consistent with anticipated results.
Queries: Sums and Deltas
Switch# energywise query importance 100 name * sum delta
EnergyWise query, timeout is 3 seconds:
Level Label Delta Power (W)----- ----- -----------0 Shut -723.8 1 Hibernate -610.3
Summing can give the total possible power change in the domain based on present configuration options.
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1 Hibernate -610.3 2 Sleep -520.3 3 Standby -520.3 4 Ready 0.0 5 Low 0.0 6 Frugal 0.0 7 Medium 0.0 8 Reduced 0.0 9 High +223.8 10 Full +223.8
Queried: 48 Responded: 48 Time: 0.15 seconds