i am running a centro with firmware 6.16.12
the centro has ip adrss 192.168.0.1 and behind my centro i run an router with ip adress 192.168.1.1.
I configured the centro to ip passthrough to this router and i see in my router that the WAN ip is the same as the centro WAN ip.
Behind my router with ip 192.168.1.10 i am running a apache web server and the router is configured to expose he apache as virtual server.
Everything was running sucessful for a while and suddenly it stoped working.
Somehow my webserver is not anymore accessable from outside.
I have done the following during trouble shooting:
I can access the webserver from the inside LAN under the dynDNS name.
I cannot ping my external IPv4 adress of centro from an external server ping.
What could be the issue?
Any advise on how to further investigate?
issue was with CGNAT
found here the solution
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