Access Point Alerts
HPE Aruba Networking Central allows network administrators and users with admin permissions to configure alerts. For more information, see Configuring Alerts.
To enable or disable multiple access point alerts, select the check boxes next to the alerts, click Actions, and then click Enable Alert or Disable Alert.
|
Alert |
Category |
Description |
User Configurable Threshold |
Default Threshold |
Severity Levels Enabled by Default |
|---|---|---|---|---|---|
|
802.1X Authentication Delayed |
Clients |
Generates an alert when there is a delay occurs during the 802.1X authentication process in the network. |
Yes |
NA |
Yes - Info |
| 802.1X Server Timeout | Clients |
Generates an alert when no response from the 802.1X authentication server is detected during the authentication process. |
No |
NA |
Yes - Info |
|
Association Delayed |
Clients |
Generates an alert when client association delay is detected in the network. |
Yes |
NA |
Yes - Info |
|
Captive Portal Authentication Delayed |
Clients |
Generates an alert when there is a delay occurs during the captive portal authentication process in the network. |
Yes |
NA |
Yes - Info |
| Captive Portal Server Unreachable | Clients |
Generates an alert when an access point is unable to authenticate clients with captive portal. |
No |
NA |
Yes - Info |
| Overlay Client Association Failed | Clients |
Generates an alert when a client attempted to join an SSID that is implemented as an overlay but the association did not complete. |
No |
NA |
Yes - Info |
|
DHCP Delayed |
Clients |
Generates an alert when a delay occurs during DHCP connection process. |
Yes |
NA |
Yes - Info |
|
DHCP Discover Timeout |
Clients |
Generates an alert when the DHCP server response is timed out after discovery. |
No |
NA |
Yes - Major |
|
DNS Server Failed to Resolve Domain |
Clients |
Generates an alert when the DNS server fails to lookup the domain name of the requested URL. |
No |
NA |
Yes - Info |
|
DNS Server Failed to Respond |
Clients |
Generates an alert when no response is received from the DNS server. |
No |
NA |
Yes - Info |
|
DNS Server Response Delayed |
Clients |
Generates an alert when there is significant delay in receiving DNS response. |
No |
NA |
Yes - Info |
|
MAC Authentication Delayed |
Clients |
Generates an alert when there is a delay occurs during the MAC authentication process in the network. |
Yes |
NA |
Yes - Info |
| MAC Authentication Server Timeout | Clients |
Generates an alert when no response from the MAC authentication server was detected during the authentication process. |
No |
NA |
Yes - Info |
| Maximum Associations | Clients |
Generates an alert when maximum number of Wi-Fi associations configured for the AP is met. |
No |
NA |
Yes - Info |
| Roaming Latency | Clients |
Generates an alert when wireless clients experience unusually long roaming periods. |
No |
NA |
Yes - Info |
|
Wireless Client Deny Listed |
Clients |
Generates an alert when a wireless client gets deny listed due to multiple authentication failures. |
No |
NA |
Yes - Minor |
| WPA Passphrase is Incorrect | Clients |
Generates an alert when a four-way handshake fails for WPA-PSK clients. |
No |
NA |
Yes - Info |
|
WPA Handshake Delayed |
Clients |
Generates an alert when a delay occurs during the four-way WPA handshake authentication process in the network. |
Yes |
NA |
Yes - Info |
|
New VC Connected |
Cluster |
Generates an alert when a new virtual controller is connected. |
No |
NA |
Yes - Info |
|
VC Disconnected |
Cluster |
Generates an alert when a virtual controller is disconnected. |
Yes |
Duration - 15 minutes Guard Rails - This alert should not be triggered for AOS-10 APs. |
Yes - Info |
|
All AP Tunnels Down |
LAN |
Generates an alert when all the AP tunnels are down. |
Yes |
Duration - 15 minutes |
Yes - Critical |
|
AP Tunnel Down |
LAN |
Generates an alert when the tunnel between an AP and a Gateway goes down. |
Yes |
Duration - 15 minutes Guard Rails - Applicable only to Microbranch APs. |
Yes - Major |
|
Downlink Collision Error |
LAN |
Generates an alert when the downlink port collision errors exceed the threshold value. |
Yes |
Threshold - 40% Duration - 30 minutes |
Yes - Minor |
|
Downlink CRC Error |
LAN |
Generates an alert when the downlink port CRC errors exceed the threshold value. |
Yes |
Threshold - 40% Duration - 30 minutes |
Yes - Major |
|
Downlink Interface Down |
LAN |
Generates an alert when the downlink of an AP is down. |
Yes |
Duration - 15 minutes |
Yes - Info |
|
Downlink Packet Drops |
LAN |
Generates an alert when the downlink port frame drops exceed the threshold value. |
Yes |
Threshold - 5% Duration - 30 minutes |
Yes - Minor |
|
Uplink Collision Error |
LAN |
Generates an alert when the uplink port collision errors exceed the threshold value. |
Yes |
Threshold - 40% Duration - 30 minutes |
Yes - Major |
|
Uplink CRC Error |
LAN |
Generates an alert when the uplink port CRC errors exceed the threshold value. |
Yes |
Threshold - 40% Duration - 30 minutes |
Yes - Major |
|
Uplink Interface Down |
LAN |
Generates an alert when the uplink of an AP is down. |
Yes |
Duration - 15 minutes |
Yes - Major |
|
Uplink Packet Drops |
LAN |
Generates an alert when komthe uplink port frame drops exceed the threshold value. |
Yes |
Threshold - 5% Duration - 30 minutes Guard Rails - TX/RX data should be at least 10 Mbps. |
Yes - Major |
|
2.4 GHz Channel Utilization |
WLAN |
Generates an alert when the 2.4 GHz channel utilization exceeds the threshold value. |
Yes |
Threshold - 80% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Minor |
|
5 GHz Channel Utilization |
WLAN |
Generates an alert when the 5 GHz channel utilization exceeds the threshold value. |
Yes |
Threshold - 80% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Major |
|
6 GHz Channel Utilization |
WLAN |
Generates an alert when the 6 GHz channel utilization exceeds the threshold value. |
Yes |
Threshold - 80% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Major |
|
AP CPU Utilization |
System |
Generates an alert when the AP CPU utilization exceeds the threshold value. |
Yes |
Threshold - 90% Duration - 30 minutes |
Yes - Critical |
|
AP Memory Utilization |
System |
Generates an alert when the AP memory utilization exceeds the threshold value. |
Yes |
Threshold - 90% Duration - 30 minutes |
Yes - Critical |
|
AP Offline |
System |
Generates an alert when an AP is experiencing difficulties communicating with Classic Central. |
Yes |
10 minutes |
Yes - Critical |
|
AP Process Crash |
System |
Generates an alert when an AP crash is detected. The alert monitors critical processes such as sapd, stm, cli, ata, radiusd, wpa3_sae, and Mini-httpd. |
No |
NA |
Yes - Major |
|
AP Reboot |
System |
Generates an alert when AP has rebooted. To view the list of AP Reboot Alert Reasons, see AP Reboot Alert Reasons. Note:
AP Reboot alert is not generated for user-initiated actions, such as reboots performed through HPE Aruba Networking Central or during firmware upgrade operations. |
No |
NA |
Yes - Minor |
|
AP Role Changed |
System |
Generates an alert when the role of an AP is changed. |
No |
NA |
Yes - Info |
|
AP Uplink Changed |
System |
Generates an alert when an uplink has changed. |
No |
NA |
Yes - Minor |
|
Insufficient PoE Provided |
System |
Generates an alert when connected device or clients have reduced capabilities. |
Yes |
Duration - 15 minutes |
Yes - Major |
|
Insufficient PoE Received |
System |
Generates an alert when less than requested PoE power is supplied. |
Yes |
Duration - 15 minutes |
Yes - Major |
| New AP Connected | System |
Generates an alert when Aruba Central detects a new access point connection. |
No |
NA |
Yes - Info |
| USB Device Inserted in AP | System | Generates an alert when USB device is connected to the USB port of the AP. |
No |
NA |
Yes - Info |
| USB Device Removed from AP | System | Generates an alert when USB device is removed from the USB port of the AP. |
No |
NA |
Yes - Info |
|
Wi-Fi Easy Connect DoS Attack |
System |
Generates an alert in the event of an DPP DoS attack. |
No |
NA |
Yes - Minor |
|
2.4 GHz Channel Changes |
WLAN |
Generates an alert when the number of 2.4 GHz radio channel changes exceeds the threshold value. |
Yes |
Threshold - 10% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Info |
|
5 GHz Channel Changes |
WLAN |
Generates an alert when the number of 5 GHz radio channel changes exceeds the threshold value. |
Yes |
Threshold - 20% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Major |
|
6 GHz Channel Changes |
WLAN |
Generates an alert when the number of 6 GHz radio channel changes exceeds the threshold value. |
Yes |
Threshold - 20% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Major |
|
2.4 GHz Frame Drops |
WLAN |
Generates an alert when the 2.4 GHz radio frame drop percent exceeds the threshold value. |
Yes |
Threshold - 50% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Minor |
|
5 GHz Frame Drops |
WLAN |
Generates an alert when the 5 GHz radio frame drop percent exceeds the threshold value. |
Yes |
Threshold - 50% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Major |
|
6 GHz Frame Drops |
WLAN |
Generates an alert when the 6 GHz radio frame drop percent exceeds the threshold value. |
Yes |
Threshold - 50% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Major |
|
2.4 GHz Frame Retries |
WLAN |
Generates an alert when the 2.4 GHz radio frame retries percent exceeds the threshold value. |
Yes |
Threshold - 70% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Info |
|
5 GHz Frame Retries |
WLAN |
Generates an alert when the 5 GHz radio frame retries percent exceeds the threshold value. |
Yes |
Threshold - 70% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Major |
|
6 GHz Frame Retries |
WLAN |
Generates an alert when the 6 GHz radio frame retries percent exceeds the threshold value. |
Yes |
Threshold - 70% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Major |
|
2.4 GHz Noise Floor |
WLAN |
Generates an alert when the 2.4 GHz radio frequency noise of an AP exceeds the threshold value. |
Yes |
Threshold - (-70) dBm Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Info |
|
5 GHz Noise Floor |
WLAN |
Generates an alert when the 5 GHz radio frequency noise of an AP exceeds the threshold value. |
Yes |
Threshold - (-75) dBm Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Major |
|
6 GHz Noise Floor |
WLAN |
Generates an alert when the 6 GHz radio frequency noise of an AP exceeds the threshold value. |
Yes |
Threshold - (-75) dBm Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Major |
|
2.4 GHz Non-Wi-Fi Interference |
WLAN |
Generates an alert when the 2.4 GHz non-Wi-Fi radio interference exceeds the threshold value. |
Yes |
Threshold - 70% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Info |
|
5 GHz Non-Wi-Fi Interference |
WLAN |
Generates an alert when the 5 GHz non-Wi-Fi radio interference exceeds the threshold value. |
Yes |
Threshold - 70% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Major |
|
6 GHz Non-Wi-Fi Interference |
WLAN |
Generates an alert when the 6 GHz non-Wi-Fi radio interference exceeds the threshold value. |
Yes |
Threshold - 80% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps, with retries exceeding 10%. |
Yes - Major |
|
2.4 GHz Transmit Power Changes |
WLAN |
Generates an alert when the number of 2.4 GHz radio transmit power changes exceeds the threshold value. |
Yes |
Threshold - 10% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Info |
|
5 GHz Transmit Power Changes |
WLAN |
Generates an alert when the number of 5 GHz radio transmit power changes exceeds the threshold value. |
Yes |
Threshold - 10% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Info |
|
6 GHz Transmit Power Changes |
WLAN |
Generates an alert when the number of 6 GHz radio transmit power changes exceeds the threshold value. |
Yes |
Threshold - 10% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Info |
|
All Radios Disabled |
WLAN |
Generates an alert when all the radios of an AP are disabled, provided SSIDs are configured. |
Yes |
Duration - 120 minutes Guard Rails - No alert is generated when either of the following conditions is met:
An alert is generated in all other scenarios. |
Yes - Minor |
| Radio Failure | WLAN |
Generates an alert when an AP detects a radio failure. |
No |
NA |
Yes - Critical |
|
2.4 GHz Channel Quality |
WLAN |
Generates an alert when the 2.4 GHz channel quality is less than the threshold value for the defined duration. |
Yes |
Threshold - 40% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Minor |
|
5 GHz Channel Quality |
WLAN |
Generates an alert when the 5 GHz channel quality is less than the threshold value for the defined duration. |
Yes |
Threshold - 50% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Major |
|
6 GHz Channel Quality |
WLAN |
Generates an alert when the 6 GHz channel quality is less than the threshold value for the defined duration. |
Yes |
Threshold - 50% Duration - 30 minutes Guard Rails - Radio throughput must be at least 4 Mbps. |
Yes - Major |