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Advantech MAC ARP entries are created on an adjacent layer-2 device which is directly connected to a 60000/40000 series appliance Technical Level
Symptoms
  • Advantech MAC ARP entries (74:fe:48:XX:YY:ZZ) are created on an adjacent layer-2 device which is directly connected to a 60000/40000 series appliance
  • It is relevant only for i40e intel device drivers and has been with SGM400.
  • Those MAC address are not the same as the mac address seen on the MGMT interfaces when the SGM comes up.
Cause

The ARP entries are generated due to LLDP (Link Layer Discovery Protocol) packets sent by the Backplane interfaces with the Advantech MAC addresses being their own. 


Solution
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