Pfsense shows gateway is offline but the gateway is online

pfsense wan receiving echo requests but not responding
not connecting to internet
when i try pinging this happens
packet capture data
ARP, Request who-has tell, length 46
18:34:39.123786 ARP, Reply is-at 28:3b:82:fb:9a:e0, length 46034413
put cmd prompt says request timed out . is my pfsense wan ip and is default gate way … is pfsense lan ip … is host ip

what can be the problem

A guess would be that this is enabled which is the default.

no , that is not the problem

i have been working on it for three days , went through lot of videos and web pages … finally came here looking for help