Gateway status show offline
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ISP – Public IP / Modem -> firewall (192.168.1.xxx) / (192.168.2.xxx) -> pfsense (192.168.1.xxx) / (192.168.2.xxx) -> LAN
Problem is pfsense set as 192.168.2.xxx, gateway will offline...
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do you have multiple interfaces or do you have vlans between firewall and pfsense?
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I did use 3 interface without vlans.
BTW firewall and pfsense, got 1 switches. - 
so you do have multiwan(atleast pfsense's point of view).
I'm sorry I have no multiwan setup experience and thus fore can't help you any further. - 
how if your 192.168.2.xxx subnet setup?
To me it doesnt sound like you have a multilan. It just sound like you have two lan interfaces. Is that correct?
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Hi pman860507,
isit you mean that my current firewall doesn't have the multilan ?
but i can access internet if i using my laptop and using 192.168.2.xxx subnet.
Yes, it's have 2 lan interfaces… - 
Metu69salemi, im just using 1 modem and connect to the pfsense.
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Please make a drawing where you mark isp/internet, modem, pfsense and lan + all subnet + cables
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How is your gateway configured for your 192.168.2.x interface?
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pman860507 : It's didn't had any limitation from the current firewall. My office firewall just simply split 2 subnet from modem, which is 192.168.1.xxx and 192.168.2.xxx.
Metu69salemi : my flow just like below.
Modem (ISP) -> Office firewal (Currently using) (output 2 subnet : 192.168.1.xxx and 192.168.2.xxx) -> Main Switches (local LAN) -> PFsense (split 2 subnet : 192.168.3.xxx and 192.168.4.xxx)(by using VMware) -> User.
Now problem is 192.168.1.xxx gateway also will down aand shown offline status… :'(