Need to reboot often - noob help



  • I've been having problems with my pfsense box, but I need help debugging the problem.
    Problem: every 2-8 hours I will suddenly stop being able to reach certain sites. eg. amazon.com ebay.com.  But, I'll do fine browsing other sites.  There doesn't seem to be a rhyme or reasons as to which sites.
    Today when this happened I ran a traceroute.

    
    $ traceroute amazon.com
    traceroute: unknown host amazon.com
    $ traceroute google.ca
    traceroute: unknown host google.ca
    $ traceroute google.com
    traceroute: Warning: google.com has multiple addresses; using 74.125.155.106
    traceroute to google.com (74.125.155.106), 64 hops max, 52 byte packets
     1  [REMOVED for my privacy] (192.168.1.1)  0.773 ms  0.680 ms  0.588 ms
     2  [REMOVED for my privacy]   14.264 ms  14.437 ms  15.430 ms
     3  [REMOVED for my privacy]   16.331 ms  15.693 ms  17.154 ms
     4  [REMOVED for my privacy]   19.420 ms  18.640 ms  18.914 ms
     5  * * *
     6  209.85.249.32 (209.85.249.32)  20.229 ms
        209.85.249.34 (209.85.249.34)  19.417 ms  18.742 ms
     7  66.249.94.199 (66.249.94.199)  36.016 ms  23.138 ms
        66.249.94.195 (66.249.94.195)  18.884 ms
     8  216.239.46.208 (216.239.46.208)  25.750 ms
        216.239.46.212 (216.239.46.212)  25.894 ms
        216.239.46.208 (216.239.46.208)  26.818 ms
     9  64.233.174.129 (64.233.174.129)  25.593 ms
        216.239.48.167 (216.239.48.167)  26.244 ms
        64.233.174.129 (64.233.174.129)  26.215 ms
    10  216.239.49.166 (216.239.49.166)  25.734 ms
        209.85.254.146 (209.85.254.146)  36.192 ms
        216.239.49.246 (216.239.49.246)  35.259 ms
    11  px-in-f106.1e100.net (74.125.155.106)  26.519 ms  25.346 ms  26.101 ms
    
    

    at the same time I could reach a dozen other sites.

    After rebooting everything is going swimmingly.  Any advice on what I can do to diagnose this problem.  What other tools can I use to help the diagnosis.

    I'm running 1.2.3 release i386, but I had this problem on 2.0 RC 2 but I downgraded to 1.2.3 hoping to get around this problem.
    My current setup is
    SUPERMICRO MBD-X7SPE-H-O (Intel 82574L) –> Asus rt-n16 running dd-wrt (but had the same problem with other routers) --> 30+ users

    I'd love to hear any insight you have.

    Kind regards,
    Kenton



  • Are you using sticky connections? if not http://doc.pfsense.org/index.php/Unable_to_Access_Some_Websites and maybe change DNS provider to e.g. opendns.



  • I don't think I have sticky connections.  Correct me if I'm wrong but I would not have that unless I have a multi-wan setup (which I do not).

    Thanks for the link.  I've changed my DNS to openDNS for now.

    As for the 6 possible causes in the article
    1. How would I ensure this? 
    2. The LAN subnet mask is 255.255.250.0 (Status -> interfaces) in pfsense and the same on the asus router.  It is 255.255.240 on the WAN if that matters.
    3. Where do I set the MTU?  Pinging with 1500 bytes was successful
    4. Traceroute does not stop upstream - not applicable
    5. Not applicable
    6. Did this

    I'll post back if I continue to have problems.


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