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GTW_w308 — Ethloop Interface Unknown Src Mac

Full alert identifier: GTW_w308_ethloopInterfaceUnknownSrcMac

Alert description

The vehicle Gateway (GTW) detects that it has received a packet from an unknown ethernet address on the etherloop interface.

Potential impact

An unknown electronic control unit (ECU) is attempting to communicate on the etherloop bus.

Set condition

The alert is set if the GTW receives a packet from an unknown ethernet address on the etherloop bus. Alert log signal data should provide more information on the ethernet address for the source of the packet.

Clear condition

The alert clears when the GTW does not receive any packet from any unknown ethernet address for 10 seconds.

Signals to check

These diagnostic fields are associated with GTW_w308. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Etherloop Interface Unknown Mac Id GTW_a308_etherloopInterfaceUnknownMacId —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of GTW_w308.

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