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Do you have a default gateway set on both WAN circuits?<br>Are you preferring one circuit?
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This was an update from 2.4.5 with preferred default gateway failing over to secondary.<br>The secondary is the gateway being blocked. Even tough it was secondary it was active for incoming data.<br><br>
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Network Architect and EE TA

Craig Beck

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pfsense dual wan, only the default gateway wan is able to respond to outside traffic. This is connecting to virtual ips on the backup or non-default gateway traffic does not pass through.
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pfsense dual wan, only the default gateway wan is able to respond to outside traffic. This is connecting to virtual ips on the backup or non-default gateway traffic does not pass through.

pfsense 2.5.1 dual wan virtual ip problems

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.

Hardware Firewalls

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.