Hi Sumeet, Yes, FDB will not show IP directly, but you can find VLAN. It can be usefull if client is wrong configured so it doesn't get IP and/or statically configured. As long as I know, the ARP is only works if the client is configured with IP of the right subnet, dynamically or statically. Anyway, I rather suggest to use DHCP server outside the switch. The switch can be used as DHCP relay. Linux based DHCP server log is more handy to analyze than the switch. Best regards,