Contents

Monitor Radios

In Manage, the Monitoring > Wi-Fi > Radios tab shows the status of all AP radios on the 2.4 GHz and 5 GHz bands.

When you select a radio, the information related to the selected radio appears on multiple pages. You can select a page number to view more details related to the radio.

1 — Properties, Recently Associated Clients

2 — Number of Client Associations in the last 4 hours

3 — Utilization, Average Data Rate

4 — Traffic, Error Rate

5 — Events

6 — Visible APs, Visible Clients

7 — Visible VLANs, Seen by

8 — Channel Occupancy

9 — Mesh Network Links

View Radio Properties

Select a radio to view its properties. You can edit some radio properties. Double-click the property to edit its value.

This table provides a description of the radio properties:

Field

Description

Name

Name of the radio.

Classification

Specifies if the AP is categorized as Authorized, External, or Rogue. Uncategorized indicates that the AP has not been categorized.

Location

 AP location.

Is Placed

Specifies if the AP has been placed on a layout for a location.

MAC Address

Unique 48-bit address of the AP/802.11 PHY modes used by the AP.

Protocol

Wireless protocol version used by the AP to provide wireless connectivity.

Capability

Operation mode capabilities of the device like 802.11n, 802.11ac, Super AG, and Turbo.

SSID

SSID of the  WLAN to which the AP is connected.

Is Guest

Specifies whether the AP is a guest AP or not.

Device Tag

Text that provides additional information about the AP. For example, Hawaii Conference Room, Bldg 15 – Cubicle G2.

IP Address

IP address if the AP is authorized. The field is blank if the AP is rogue or external.

Network

Network tag of the network to which the AP is connected. This value is blank if the AP is not connected to a network.

Vendor Name

Name of the AP vendor.

First Detected At

Date and time when the AP was first detected by the system.

Up Since

Date and time since the AP has been up.

Channel

Channel number on which the AP operates.

Basic Link Rates (Mbps)

Comma-separated list of link rates supported by the AP.

Security

Security standard applied to the AP. This is derived from the template applied to the AP.

Authentication

Procedure used by APs to verify the identity of a client.

Pairwise Encryption

Encryption used for unicast communication between the AP and a Client. MULTIPLE is displayed, if For All BSSIDs is selected in the MAC/Protocol field.

Groupwise Encryption

Specifies the encryption used for broadcast or multicast communication from the AP . MULTIPLE is displayed, if For All BSSIDs is selected in the MAC/Protocol field.

Beacon Interval

Time interval, in milliseconds, between successive beacons of the AP.

802.11n Capability

This field is visible only if the selected AP is an 802.11n AP. The field provides information about if the AP is compliant with early or standard implementations of the 802.11n standard.

Channel Width

This field is visible only if the selected AP is an 802.11n AP or a 802.11ac AP. It specifies whether an 802.11n AP is operating on the 20 MHz or 40 MHz channel width. 802.11n allows for the use of the standard channel width of 20 MHz or the double channel width of 40 MHz. 40 MHz channel width is achieved by using two adjacent channels to send data simultaneously. In case of 802.11ac capable AP, the possible values are 20 MHz, 40 MHz, 80 MHz, 160 MHz or 80+80 MHz.

Channel offset

This field is visible only if the selected AP is an 802.11n AP. It specifies whether the adjacent channel used in 40 MHz operation is above or below the primary channel for the selected 802.11n AP.

Data Rate

This field is visible only if the selected AP is an 802.11n AP or an 802.11ac AP. It specifies the highest 802.11n data rate or the  highest 802.11ac data rate of the selected active 802.11n AP or 802.11ac AP with which it communicates with the client.

GI for 20 MHz

This field is visible only if the selected AP is an 802.11n AP. It specifies whether the AP is capable of using the short guard interval for 20 MHz. The possible values are 400 nanoseconds and 800 nanoseconds.

GI for 40 MHz

This field is visible only if the selected AP is an 802.11n AP. It specifies whether the AP is capable of using the short guard interval for 40 MHz. The possible values are 400 nanoseconds and 800 nanoseconds. This field is applicable only if the channel width is 40 MHz or more.

802.11n MCS supported

This field is visible only if the selected AP is an 802.11n AP. It specifies the various Modulation and Coding Schemes (MCS) supported for 802.11n. The 802.11n standard defines a total of 77 MCS. Each MCS is a combination of a certain modulation (for example, BPSK, QPSK, 64-QAM), coding rate (for example, 1/2, 3/4), guard interval (800 or 400 ns), and number of spatial streams. Support for MCS 0-15 is mandatory for 802.11n APs and support for MCS 0-7 is mandatory for 802.11n clients.

Greenfield Mode

This field is visible only if the selected AP is an 802.11n AP. It specifies if the AP is capable of working in the Greenfield mode. Greenfield mode is an optional high-throughput mode in the 802.11n standard, which is not backward compatible with legacy (802.11a/b/g) protocols and is expected to provide maximum performance benefits of 802.11n.

802.11n Beam forming Capability

This field is visible only if the selected AP is an 802.11n AP. It specifies if the AP is capable of Beamforming. Beamforming is an RF transmission method that helps in focusing the radiated RF energy directly at a receiving client. This improves signal reception at the client and consequently the throughput.

MFP/802.11w

Indicates whether MFP/802.11w is enabled on the selected AP.

Quarantine Status

Quarantine status of the selected AP. Possible values are Not in Quarantine, Quarantine Active, Quarantine Pending, DoS Quarantine on, DoS Quarantine pending, Quarantine disabled.

Defending Sensor Name

Name of defending sensor.

Quarantine Pending Reason

Reason for quarantine if quarantine is pending. Possible values are Device Inactive, Device(s) outside the prevention range of all <device name> devices., Prevention capacity full at all <device name> within the prevention range, Device operating Channel unknown, Quarantined Client currently not a security threat, Error in selecting <device name> for prevention, No suitable <device name> found for prevention, device channel not in defend list of any <device name>, Wired side identity of the device not available, waiting for <device name> acknowledgment, Unknown.

Tx STBC 802.11n

This field is visible only if the selected AP is an 802.11n AP. It indicates support for transmission of PLCP protocol data units (PPDUs) using space time block code (STBC).

Rx STBC 802.11n

This field is visible only if the selected AP is an 802.11n AP. It indicates support for reception of PLCP protocol data units (PPDUs) using space time block code (STBC).  If this reception is supported, the number of spatial streams supported is indicated. Up to 3 spatial streams are supported for the 802.11n protocol.

802.11ac capability

This field is visible only if the selected AP is an 802.11ac AP. It indicates whether the selected AP is 802.11ac capable.
Yes indicates that the AP is 802.11ac capable.

Supported Channel width

This field is visible only if the selected AP is an 802.11ac AP. It indicates the 160 and 80+80 MHz operation capability of the selected 802.11ac AP. Possible values are 80 MHZ, 160 MHz, or 160 MHz and 80+80 MHz.

GI (80MHz)

This field is visible only if the selected AP is an 802.11ac AP. It indicates whether the 802.11ac AP is capable of using the short guard interval for 80 MHz.
The possible values are 400 nanoseconds and 800 nanoseconds. This field is applicable only if the channel width is 80 MHz or more.

GI (160 MHz and 80+80 MHz)

This field is visible only if the selected AP is an 802.11ac AP. It indicates whether the 802.11ac AP is capable of using the short guard interval for 160 MHz and 80+80 MHz.
The possible values are 400 nanoseconds and 800 nanoseconds.  This field is applicable only if the channel width is 160 MHz or 80+80 MHz.

Tx STBC 802.11ac

This field is visible only if the selected AP is an 802.11ac AP. It indicates support for the transmission of at least 2x1 STBC. This field is specific to 802.11ac.

Rx STBC 802.11ac

This field is visible only if the selected AP is an 802.11ac AP. It indicates support for the reception of  PLCP protocol data units (PPDUs) using space time block code (STBC).  If this reception is supported, the number of spatial streams supported is indicated. Up to four spatial streams are supported for the 802.11ac protocol.

SU Beamformer Capability

This field is visible only if the selected AP is an 802.11ac AP. It indicates support for operation as a single user beamformer.

SU Beamformee Capability

This field is visible only if the selected AP is an 802.11ac AP. It indicates support for operation as a single user beamformee.

MU Beamformer Capability

This field is visible only if the selected AP is an 802.11ac AP. It indicates support for operation as a multiuser beamformer.

MU Beamformee Capability

This field is visible only if the selected AP is an 802.11ac AP. It indicates support for operation as a multiuser beamformee.

802.11ac MCS for each Stream

This field is visible only if the selected AP is an 802.11ac AP. It specifies the maximum 802.11ac Modulation and Coding Schemes (MCS) supported for each supported Tx stream.

Number of Spatial Streams

This field is visible only if the selected AP is an 802.11ac AP. It specifies the number of Tx and Rx spatial streams supported by the AP.

Channel List

This field is visible only if the selected AP is an 802.11ac AP. It specifies the list of channels in the operating band of the 802.11ac AP.

Mesh mode

Indicates whether mesh mode is enabled or disabled for the selected AP.

View Recently Associated Clients

In the Recently Associated Clients section, you can view a list of clients that are recently associated to the selected radio. The criteria for recent association is either 4 hours or 100 thousand clients (this is the total number of associations and not per device).

Client details such as Client Name, RSSI, IP Address, and Last Detected At which shows the date and time or present (when the association is currently active) are displayed.

Information related to recently associated clients is available in specific deployments only.

View Radio Utilization

In the Utilization section, you can view a graphical representation of the percentage of radio utilization over the last 4 hours. The utilization section is displayed only for authorized APs. The system tracks the cumulative time occupancy as a percentage of the total scan time of the channel every 15 minutes.

View AP Associated Clients

In the AP Associated Clients section, you can view a graphical representation of the clients associated with the AP over the last 4 hours. The device samples the number of client associations with the AP every 15 minutes.

View Traffic

In the Traffic section, you can view a graphical representation of radio traffic over the last 4 hours. The traffic section is displayed for authorized clients only. The device that sees the AP reports data traffic sent and received by the radio every 15 minutes. The channel rotating the device spends only a percentage of the total time on any given channel. This parameter typically underestimates the actual traffic by a factor equal to the total number of channels scanned by the device radio. For example, if the device scans 30 channels in all, the measured traffic would be 1/30th of the actual traffic. However, if the traffic is burst traffic, straightforward scaling cannot be easily applied.

View Average Data Rate

In the Average Data Rate section, you can view a graphical representation of the average data rate in Mbps of the radio over the last 4 hours. The Average Data Rate section is displayed only for authorized APs. Devices that see the client track the transmission rates of the data frames in the radio's BSS and reports the weighted average transmission rate over every 15 minutes.

View Error Rate

In the Error Rate section, you can view a graphical representation of the error rate of the radio over the last 4 hours.

View Radio Events

To view the current AP events for the selected AP:

  1. Select Monitoring > Wi-Fi > Radios.
  2. Navigate to page 5.
  3. Select the radio.
  4. View the event.

Print Radio List for Location

To print the radios list for a location:

  1. Select Monitoring > Wi-Fi > Radios.
  2. Select the location where you want to print the list of APs.
  3. Select the type of APs for which you want to print the list.
  4. Select the columns that you want in the printed list.
  5. Click the Print icon icon.
  6. Click Print.

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