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    Source interface for outbound traffic

    Routing and Multi WAN
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      olafb
      last edited by

      Hi, have a 6100 series appliance and WAN connected to an upstream router which connects to the internet. The WAN interface does NOT have a public address (it has: 172.16.2.2/30). Upstream router statically routes 4 public IP address to pfSense. Question: Services like NTP etc. don't work because source address of 172.16.2.2 is used and that is not routable. I configured the 4 public IP addresses as Virtual IP Interfaces. Is there a way to force pfSense to use a different interface (IP address) for outgoing traffic? Should I use one of the public IP addresses on the WAN interface and use the 172.16.2.2 as a Virtual IP Interfaces? Do I have to configure outgoing NAT for services that need outbound access or 1:1 NAT?

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