Network Problem pfsense & Ubuntu proxy

[blsevidal]

Network issue

I have an existing network consisting of 3 units of ubuntu proxies with ip address 192.168.5.1 ; 192.168.4.1 & 192.168.1.246
and it works smoothly to the clients connected to it. But when i fully setup may pfsense machine 192.168.1.245 and joining it to the existing networks my 3 ubuntu proxies having problem with internet connection. but if i unplugged the pfsense network my internet connection to 3 ubuntu proxies works again.

what could be the problem..

anyone can help me.

thank you in advance.

[Gertjan]

@blsevidal:

what could be the problem..

Can't tell.
Can not see your setup.
Have no idea how your network is interconnected.
Don't know what this has to doe with your captive portal.