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

    WAN connection down every 3 hours

    Scheduled Pinned Locked Moved General pfSense Questions
    5 Posts 4 Posters 2.8k Views
    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.
    • S
      Sleepie
      last edited by

      Since I've installed pfSense as my firewall, my internet connection goes down for a short time about every three hours.

      This is what shows in my system log:

      apinger: ALARM: WAN(84.26.112.1) *** down ***
      Aug 15 02:34:23	apinger: alarm canceled: WAN(84.26.112.1) *** down ***
      Aug 15 02:34:25	check_reload_status: Reloading filter
      Aug 15 02:34:34	check_reload_status: Reloading filter
      

      The connection restores itself after a few seconds (I don't have to do anything), but it is still very annoying, because when this happens I get disconnected from gameservers, IRC, etc.

      Does anyone have any ideas why this is happening and what to do about it?

      1 Reply Last reply Reply Quote 0
      • W
        wallabybob
        last edited by

        I would guess either your physical link t the Internet is going down regularly OR your upstream gateway (or monitor system) is not responding in good time to say "I'm still here". The latter could be due to congestion (for example, because the response can't overtake lots of download data already queued up).

        If you posted say, 5 or 6 lines from the system log immediately preceeding the extract you posted it might help narrow the possibilities.

        1 Reply Last reply Reply Quote 0
        • S
          Sleepie
          last edited by

          Thanks for your response.

          I am pretty sure my physical internet connection and/or modem are working fine.
          When I was still using MS Forefront, or when I plug the cable directly into my workstation, the problem does not occur.

          The thing is, there is nothing in the log before the lines I posted. The lines above those are exactly the same (with a timestamp about 3 hours earlier).
          I don't know if I should set a different log level (nor how I should do that)?

          The problem occurs during daytime too, when I'm not downloading anything. If anything I am gaming online, but that shouldn't be that much traffic I think. I'll try to find out if there is somehow a lot of internet traffic at the time the problem occurs.

          1 Reply Last reply Reply Quote 0
          • H
            heper
            last edited by

            try setting the monitor ip to 8.8.8.8 - if that solves it then all is good

            if that does not solve it, try changing the cable between pfsense & modem

            if that does not solve it, try swapping WAN network card in pfsense

            1 Reply Last reply Reply Quote 0
            • stephenw10S
              stephenw10 Netgate Administrator
              last edited by

              The apinger process periodically pings the WAN gateway (by default) in order to monitor the quality of the connection. If it sees excessively high pings times or packet loss it flags an alarm. If either metric become very high it will mark the interface as down. If you are using fail over this is used to determine which WANs are good.
              Usually I would expect to see a warning in the logs about either 'delay' or 'packet loss' before the WAN is marked down however if the condition is extreme enough it may go straight to 'down'.
              If the quality of your WAN connection is such that apinger is being triggered too early you can tune the thresholds in System: Gateways: Edit gateway: Advanced. You can also disable gateway monitoring completely if you don't need it fail over or load balancing (if you only have one WAN).

              Steve

              1 Reply Last reply Reply Quote 0
              • First post
                Last post
              Copyright 2025 Rubicon Communications LLC (Netgate). All rights reserved.