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Multi-wan, default gw, traffic from this firewall
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Topic: Multi-wan, default gw, traffic from this firewall (Read 1624 times)
spottaaja1
Newbie
Posts: 5
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Multi-wan, default gw, traffic from this firewall
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on:
March 27, 2020, 10:18:01 am »
Hello!
I have multi-wan setup with igb0 and igb2 as the upstream interfaces. Default gw is automatically switched between these two and all traffic from igb1, igb3 and igb4 is load-balanced out via gateway group called internet.
As igb0 and igb2 both have dynamic IP addresses, I am trying to get dyndns to update them to my domain but it seems the curl request gets routed out via default gateway, regardless of --interface and --dns-interface parameters. My dyndns service expects the update request to originate from the ip address mentioned in the update request.
Any hints on how to fix this?
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mimugmail
Hero Member
Posts: 6764
Karma: 494
Re: Multi-wan, default gw, traffic from this firewall
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Reply #1 on:
March 27, 2020, 04:39:33 pm »
FreeBSD doesn't support PBR for local initiated connections.
There was a trick to use LAN interface as the source and then to PBR via firewall rules, but I heard somewhere it makes problems starting with 20.1 or 19.7
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klontje
Newbie
Posts: 14
Karma: 2
Re: Multi-wan, default gw, traffic from this firewall
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Reply #2 on:
March 29, 2020, 12:45:54 pm »
I guess what you could do, although it isn't the prettiest, is either use two different mDNS services - or see if your mDNS provider has multiple IP adresses that you could use, and add a static route for each IP tied to the interface that is using that service/IP endpoint.
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Multi-wan, default gw, traffic from this firewall