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Thread: Quirky failiver

  1. #1
    Untangler
    Join Date
    Dec 2016
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    59

    Default Quirky failiver

    So I've got two WANs - one on Cox (98.x IP scheme) one on AT&T Uverse Fiber (totally different IP scheme).

    One LAN on 192.168.9.x.

    Failover is set up, both wans ping to 8.8.8.8 to see if they're up. They send me alerts if either fails and I've had both fail over the past year. Load balancing is set to :

    AT&T 85
    Cox 15

    Over the past year of AT&T went down the load balancing would stop working and it'd fail over to whichever was up 100%. I have no rules beyond the normal, no routes, pretty basic set up.

    Today AT&T went down and the internet basically stopped working. DNS from the troubleshooting tab worked, so did the download test.

    When I am on a client - be it a TV or laptop it seems like it's trying to still send 85% of the requests out the downed WAN. If I go in and manually set the balancer to ATT 1 and Cox 99% it comes back up, save for the 1% of requests sent to ATT. If I turn the balancer off, it fully breaks and no internet works while the ATT line is down.

    Any ideas what to look at? I've not changed my configuration in the past year. It worked up until now.

    Thanks all.
    I.T. Consultant from OKC
    Untangle - latest on i3-4370 10gb ram 120ssd 2x Intel MT1000/dual port
    AT&T Gigapower 1gbps symmetrical + Cox 150/10mbps dual WAN load balanced and failover
    SonicWALL CSSA, Sophos, CheckPoint, Palo Alto implementation specialist.

  2. #2
    Untangle Ninja sky-knight's Avatar
    Join Date
    Apr 2008
    Location
    Phoenix, AZ
    Posts
    22,202

    Default

    That sounds like Failover isn't marking a WAN as down. Balancer can only use WANs marked as up, so it shouldn't change anything while you're testing.

    You may need to use a different test, perhaps that WAN is working for ICMP but not TCP / UDP?

    Are you using Google DNS? Perhaps making your test a DNS test against 8.8.8.8 instead of a ping would work?

    When the WAN was offline did failover report it offline?
    Last edited by sky-knight; 01-19-2018 at 12:52 PM.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  3. #3
    Untangler
    Join Date
    Dec 2016
    Posts
    59

    Default

    Yes failover showed it as offline. That's why it's weird. Perhaps I need to reboot it, lol. But uptime is like 17 days, before that it was over 300.
    I.T. Consultant from OKC
    Untangle - latest on i3-4370 10gb ram 120ssd 2x Intel MT1000/dual port
    AT&T Gigapower 1gbps symmetrical + Cox 150/10mbps dual WAN load balanced and failover
    SonicWALL CSSA, Sophos, CheckPoint, Palo Alto implementation specialist.

  4. #4
    Untangle Ninja sky-knight's Avatar
    Join Date
    Apr 2008
    Location
    Phoenix, AZ
    Posts
    22,202

    Default

    I wouldn't expect a reboot to do anything other than reset all the network sessions.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

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