Navigation

    Netgate Discussion Forum
    • Register
    • Login
    • Search
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Search

    PfSense not responding to ARP

    General pfSense Questions
    2
    3
    2372
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • A
      Abacabb last edited by

      Hi,

      I placed a pfsense box in a cabinet at a data centre.
      I get a 87.253.138.0/25 from my isp and subnet this further in:
      WAN 87.253.138.0/29
      LAN 87.253.138.64/28

      Now i can't access the internet from the servers behind pfsense. Routing works. I can access the internet from the firewall.

      When running a capture, i see that the core router of my isp is sending ARP requests but pfsense never responds…

      10 0.399340 JuniperN_b8:07:c0 Broadcast ARP Who has 87.253.138.68?  Tell 87.253.138.6

      Any pointers on what i should try?

      1 Reply Last reply Reply Quote 0
      • C
        cmb last edited by

        You need your provider to route your internal subnet to your WAN IP. In the config you have, pfSense won't and shouldn't answer ARP on those internal IPs.

        Another alternative is proxy ARP on those addresses, but it would be better if the provider routed that subnet to your WAN IP.

        1 Reply Last reply Reply Quote 0
        • A
          Abacabb last edited by

          Thanks, working perfect!

          1 Reply Last reply Reply Quote 0
          • First post
            Last post