Gateway Alerts

The HPE Aruba Networking Central allows network administrators and users with admin permissions to configure alerts. For more information, see Configuring Alerts. Following are the SD-WAN and Gateway appliance-related alerts that you can configure:

Note:

To enable or disable all the gateway alerts with a single click, use the Enable All or Disable All button respectively.

Table 1: Gateway Alerts

Alert

Category

Description

User Configurable Threshold

Default Threshold

Severity Levels Enabled by Default

Cluster Leader Change

Cluster

Generates an alert when the cluster leader is changed.

No

NA

Yes - Info

Gateway Joined Cluster

Cluster

Generates an alert when a new member joined the gateway cluster.

No

NA

Yes - Info

Gateway Left Cluster

Cluster

Generates an alert when a member left the gateway cluster.

No

NA

Yes - Info

Gateway Interface Collision Error

LAN

Generates an alert when the number of gateway port collision errors exceeds the threshold value.

Yes

Threshold - 5000 error counts

Duration - 05 minutes

Yes - Minor

Gateway Interface CRC Error

LAN

Generates an alert when the number of gateway port CRC errors exceeds the threshold value.

Yes

Threshold - 400 error counts

Duration - 05 minutes

Yes - Major

Gateway Interface Giants Error

LAN

Generates an alert when the number of gateway port giant errors exceeds the threshold value.

Yes

Threshold - 5000 error counts

Duration - 05 minutes

Yes - Minor

Gateway Interface Receive Rate

LAN

Generates an alert when the interface transmit rate of the gateway exceeds the threshold value.

Yes

Threshold - 95% Duration - 10 minutes

Yes - Major

Gateway Interface Runts Error

LAN

Generates an alert when the number of gateway port runt errors exceeds the threshold value.

Yes

Threshold - 40 error counts

Duration - 10 minutes

Yes - Major

Gateway Interface Transmit Rate

LAN

Generates an alert when the received transmit rate of the gateway exceeds the threshold value.

Yes

Threshold - 95% Duration - 10 minutes

Yes - Major

Gateway Tunnel Flap Detected

LAN

Generates an alert when 6 tunnel flaps are detected within 20 minutes.

Yes

Threshold - 6 flap counts

Duration - 20 minutes

Yes - Major

GRE Tunnel Down

LAN

Generates an alert when the GRE tunnel is down.

Note: The alert will not trigger if the destination device is an access point.
No

NA

Yes - Major

VXLAN Tunnel Down

LAN

Generates an alert when the VXLAN tunnel is down.

No

NA

Yes - Major

DHCP Pool Consumption

LAN

Generates an alert when the number or percentage of leased IP addresses in a DHCP scope approaches or reaches capacity. It helps prevent service disruptions by warning and triggering critical actions so that you can investigate leaks, shorten lease times, expand the pool, or mitigate attacks before clients fail to obtain addresses.

Yes

Threshold - 95% Duration - 5 minutes

Yes - Major

Device Config Out of Sync

System

Generates an alert when the configuration synchronization for a gateway fails.

No

NA

Yes - Critical

Gateway CPU Utilization

System

Generates an alert when the branch gateway CPU utilization exceeds the threshold value for the defined duration.

Yes

Threshold - 90% Duration - 30 minutes

Yes - Critical

Gateway Fan Down Detected System Generates an alert when a fan stops or when the fan rotation is less than 1000 RPM. No NA Yes - Major
Gateway Fan Over Speed Detected System Generates an alert when any of the fan speeds exceeds the set threshold (in rpm). No NA Yes - Major

Gateway Flash Memory Utilization

System

Generates an alert when the flash memory usage of the gateway exceeds the threshold value.

Yes

Threshold - 90% Duration - 30 minutes

Yes - Minor

Gateway High Temperature Detected System Generates an alert when the sensor temperature (CPU, physical, or ambient) exceeds the set threshold. Yes NA Yes - Major

Gateway Memory Utilization

System

Generates an alert when the branch gateway memory utilization exceeds the threshold value for the defined duration.

Yes

Threshold - 90% Duration - 30 minutes

Yes - Critical

Gateway Offline

System

Generates an alert when a branch gateway is disconnected. When a gateway disconnects because of subscription expiry, the alert description displays Reason: Device unlicensed.

Yes

Duration - 10 minutes

Yes - Critical

Gateway Power Supply Fault System Generates an alert when the one of the power supplies goes down for a gateway with 2 PSUs. No NA Yes - Critical

New Gateway Connected

System

Generates an alert when a new gateway is connected.

No

NA

Yes - Info

Gateway Cellular Data Usage

WAN

Generates an alert when the cellular data usage of a gateway exceeds the threshold value.

No

NA

Yes - Major

Gateway Uplink Flap Detected

WAN

Generates an alert when 6 uplink flaps are detected within 20 minutes.

Yes

Threshold - 6 flap counts

Duration - 20 minutes

Yes - Major

Gateway Uplink Speed Flap Detected WAN Generates an alert if the WAN uplink speed changes 6 times within 20 minutes. Yes

Threshold - 6 flap counts

Duration - 20 minutes

Yes - Major

WAN Uplink Health Check Failed

WAN

Generates an alert when the health check of a WAN uplink fails.

Yes

Duration - 10 minutes

Yes - Major

WAN Uplink Interface Duplex Changed

WAN

Generates an alert when the duplex of the WAN uplink is changed.

No

NA

Yes - Major

WAN Uplink Interface Speed Changed

WAN

Generates an alert when the speed of the WAN uplink is changed.

No

NA

Yes - Major

WAN Uplink Status Down

WAN

Generates an alert when the WAN uplink status changes.

No

NA

Yes - Critical

WAN VPN-peer unreachable

WAN

Generates an alert when a remote VPN endpoint cannot be reached or the tunnel cannot be negotiated, signaling a potential outage or misconfiguration and prompting quick checks of reachability, IKE/ESP status, and firewall rules.

No

NA

Yes - Major

IPSec SA Establishment Failure

WAN / LAN

Generates an alert when either IPSec WAN tunnel or IPSec LAN tunnel is down provided that both IPSec peers are in an operational (Up or Reachable) state.

No

NA

Yes - Major

IPSec SA Down

WAN / LAN

Generates an alert when either IPSec WAN tunnel or IPSec LAN tunnel is down provided that both IPSec peers are in an operational (Up or Reachable) state.

Note: The alert will not trigger if the destination device is an access point.
No

NA

Yes - Major