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    LAN IP not seen over tunnel

    Routing and Multi WAN
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    • J
      jimmy1987 last edited by

      I've setup a GRE tunnel over 2 locations with as GRE subnet 10.0.0.17/30.

      Over that tunnel I'm setting a BGP session to announce the LAN subnets from both sides.
      Side 1 - 192.168.2.0/24
      Side 2 - 192.168.10.0/24

      That is both working, what I do not get however is why when I do a packet capture, that when I ping an IP from 192.168.10.0/24 from side 1, I see the icmp requests coming from 10.0.0.17 instead of 192.168.2.0/24.

      I'm doing exactly the same on a Fortigate and a Mikrotik but there when I ping an IP from side 2 in a capture I can see the IP from side 1 doing the icmp requests.

      Now I'm not used to pfsense and I might be missing something but can't find what I would be missing then.

      Problem here is that our VOIP gateway is blocking the GRE subnet since it expects getting a request from the LAN subnet of side 2.

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      • Z
        Zawi @jimmy1987 last edited by

        check you outbound NAT if it configured correctly

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