IPM

IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. is a feature that actively measures the power utilization of an Instant AP and dynamically adapts to the power budget. The static power management method, in contrast to IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources., limits the operation and performance of an AP based on the worst case power usage model.

IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. dynamically limits the power requirement of an Instant AP as per the available power resources. This is in contrast to the existing static power management method where the power profiles such as POE-AF, POE-AT, PoEPower over Ethernet. PoE is a technology for wired Ethernet LANs to carry electric power required for the device in the data cables. The IEEE 802.3af PoE standard provides up to 15.4 W of power on each port.-DC, or LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. are hard-coded for each Instant AP. In order to manage this prioritization, you can define a set of power reduction steps and associate them with a priority. IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. applies a sequence of power reduction steps as defined by the priority definition until the AP is functioning within the power budget. This happens dynamically as IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. constantly monitors the Instant AP power consumption and reacts to over-consumption by applying the next power reduction step in the priority list if the Instant AP exceeds the power threshold.

IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. is supported in 300 Series,AP-303H, 310 Series, and 330 Series access points.

Important Points to Remember

By default, IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. is disabled.

When enabled, IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. enables all Instant AP functionality initially. IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. then proceeds to shut down or restrict functionality if the power usage of the AP goes beyond the power budget of the Instant AP.

 

Some functionality may still be restricted because IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. does not override the pre-existing settings that restrict functionality. For example, USBUniversal Serial Bus. USB is a connection standard that offers a common interface for communication between the external devices and a computer. USB is the most common port used in the client devices. functionality can be disabled in the provisioning profile regardless of the power source.

Configuring IPM

Setting a low-priority value for a power reduction step reduces the power level sooner than setting a high-priority value for a power reduction step. However, if the power reduction step is of the same type but different level, the smallest reduction should be allocated the lowest priority value so that the power reduction step takes place earlier. For example, the cpu_throttle_25 or radio_2ghz_power_3dB parameter should have a lower priority level than the cpu_throttle_50 or radio_2ghz_power_6dB, respectively, so that IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. reduces the CPUCentral Processing Unit. A CPU is an electronic circuitry in a computer for processing instructions. throttle or power usage based on the priority list.

You can configure IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. only through the Instant CLICommand-Line Interface. A console interface with a command line shell that allows users to execute text input as commands and convert these commands to appropriate functions.:

In the CLI

To enable IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources.:

(Instant AP)(config)# ipm

(Instant AP)(ipm)# enable

To alter the IPMIntelligent Power Monitoring. IPM is a feature supported on certain APs that actively measures the power utilization of an AP and dynamically adapts to the power resources. priority list:

(Instant AP)(ipm)# ipm-power-reduction-step-prio ipm-step ?

cpu_throttle_25 Reduce CPU frequency to 25%

cpu_throttle_50 Reduce CPU frequency to 50%

cpu_throttle_75 Reduce CPU frequency to 75%

disable_alt_eth Disable 2nd Ethernet port

disable_pse Disable PSE

disable_usb Disable USB

radio_2ghz_chain_1x1 Reduce 2GHz chains to 1x1

radio_2ghz_chain_2x2 Reduce 2GHz chains to 2x2

radio_2ghz_chain_3x3 Reduce 2GHz chains to 3x3

radio_2ghz_power_3dB Reduce 2GHz radio power by 3dB from maximum

radio_2ghz_power_6dB Reduce 2GHz radio power by 6dB from maximum

radio_5ghz_chain_1x1 Reduce 5GHz chains to 1x1

radio_5ghz_chain_2x2 Reduce 5GHz chains to 2x2

radio_5ghz_chain_3x3 Reduce 5GHz chains to 3x3

radio_5ghz_power_3dB Reduce 5GHz radio power by 3dB from maximum

radio_5ghz_power_6dB Reduce 5GHz radio power by 6dB from maximum

Reporting Power Values to Central

Starting from Instant 8.4.0.0, Instant APs can measure and periodically report their power information such as current, average, minimum, and maximum power consumption values sampled over the previous one minute and report the same to Aruba Central. When Instant APs measure the power values, they send the information to the master Instant AP over a PAPIProcess Application Programming Interface. PAPI controls channels for ARM and Wireless Intrusion Detection System (WIDS) communication to the master controller. A separate PAPI control channel connects to the local controller where the SSID tunnels terminate. message. This information is saved and finally sent to Central.

 

This functionality is supported on IAP-334, IAP-335, IAP-314, IAP-315, IAP-304, IAP-305, AP-303H, AP-344, AP-345, AP-374, AP-375, AP-377, AP-318 access points.

You can view the power monitoring information of Instant APs by using the CLICommand-Line Interface. A console interface with a command line shell that allows users to execute text input as commands and convert these commands to appropriate functions..

In the CLI

(Instant AP) #show aps power-monitor