Is an OPT interface subnet allowed to be same as a private address in WAN ?

  • Maybe not a good idea long term, but while testing my pfsense behind another router and using one of this routers 192.168.0.x address space as WAN input ,wondered whether inter-vlan routing would work if these 192.168.0.x addresses were "re-used" on one of the OPT interfaces of the LAN ( itself the default 192.168.1.x) ?

  • Routing can't work when you do that (with any router/firewall).

  • OK, thanks for that, will just have to change a few static ip assignments when I go "live" on the pfsense using PPPOE to WAN and bypassing the old router

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