First Issue with SG-2100. Where to start troubleshooting?
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I bought an SG-2100 back in November. Its been rock solid so far. As of yesterday it was online for 39 days without issue. All of a sudden last night the internet kept cutting in and out on all of my devices.
Initially, I was able to access the web dashboard but it was being a bit slow. I rebooted the box and it seemed to come back online after it had 3 flashing blue lights on the front for a few minutes. It seems the 3 flashing blue lights happen when it boots.
This morning I wake up and there is zero internet access and trying to access the web dashboard gave me a nginx bad gateway error. I tried rebooting it quick before going to work and it seemed to hang on the 3 blue flashing lights. Eventually I gave up and hardwired everything directly to my FIOS ONT so my girlfriend could WFH for the day.
My question is where should I be looking to figure out what caused this. I got it back up and running when I got home and disabled my only add-on which was PfBlocker. Is there a section of the web dashboard that I should look into first (havent spent a ton of time with it yet) or if I ssh directly into the box is there a location for logs that I should check out?
Thanks ahead of time for any help.
Edit: It literally just happened again. Internet became intermittent and then could not access web dashboard. This conveniently happened after I loaded the web dashboard. Maybe just coincidence.
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Logs are visible in the GUI under Status, if you can get that far. If it works with pfBlocker disabled that sounds like maybe out of memory or firewall table size? What features of pbBlocker are you using?
Did you look through https://docs.netgate.com/pfsense/en/latest/troubleshooting/index.html ?
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Yes, check the system logs first.
Yes, the 3 flashing LEDs shows it's booting. It should go to 1 LED slowly pulsing once it's booted completely.
Steve
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@teamits so it still happened with pfblocker disabled and after I reset factory settings. I noticed in the logs the wan almost constantly had a dhcp error of it being notified there was a new IP...which was the IP that it was already using. There was also an arp error. After some googling it looked like other people with fios were having the same issue. I disconnected sg-2100 and reset the fios ONT which pulled a new IP from verizon and since then its been fine.
I need to further research what exactly was going on but it seems to be something dhcp related to verizon.
