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I am running XG home edition SFOS 17.5.12 MR-12 on a VM. Sometime last year, something happened (I think it was after an update to SFOS) and I noticed that every time I restarted the XG firewall, the console would show up quickly, everything else would work but I could not connect to web GUI on port 4444 for about 20 minutes. Since everything was working (firewall rules, DHCP, DNS), I just ignored the issue.
Couple of days ago, I restarted the firewall and now web GUI and DHCP both start working only after 20 minutes. So, I can connect to the console, all computers with static IP can connect to the internet but any computer with DHCP does not. So, on one of the computers, I did ipconfig /release and ipconfig /renew and it just waited and waited for DHCP server to answer.
After 20 minutes, everything is back to normal.
I do not use any features of XG except firewall. No IPS, no web, no applications, nothing. Everything is at default. I am using the XG as DNS server and DHCP server.
Where can I look to see what is causing this 20 minute wait for DHCP to be back up? The dhcpd.log does not contain timestamp. Any help will be appreciated.
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If you happen to reboot the firewall, could you please SSH in to the XG and run this command from the advanced-shell
#service -S | grep "dhcp"
#tcpdump -eni any port 67 or 68
And also the DHCP you have configured is for LAN and/or Wireless? if it is for both the issue is with both of them?
In reply to emmosophos:
Thanks Emmanuel. I have configured DHCP for LAN and DMZ only. There is no Wireless. I have switched DNS and DHCP now to a Windows server and no longer using XG for these functions.