Model : Archer C7

Hardware Version :

Firmware Version :

ISP :

We have AC1750 in our office working only in 5Ghz band. For the last month the WiFi network keeps going down at least few times per day, requiring us to reboot the router in order to get it back. Is this behaviour expected? How can we fix it? Firmware Version: 3.14.3 Build 150617 Rel.40547nHardware Version: Archer C7 v2 00000000Here's the last from the log:38 May 31 11:39:51 DHCP INFO DHCPS:Send ACK to 192.168.1.10337 May 31 11:39:51 DHCP INFO DHCPS:Recv REQUEST from 1C:23:2C:65:42:8B36 May 31 11:39:51 DHCP INFO DHCPS:Send OFFER with ip 192.168.1.10335 May 31 11:39:51 DHCP INFO DHCPS:Recv DISCOVER from 1C:23:2C:65:42:8B34 May 31 11:39:51 DHCP INFO DHCPS:Send OFFER with ip 192.168.1.10333 May 31 11:39:49 DHCP INFO DHCPS:Recv DISCOVER from 1C:23:2C:65:42:8B32 May 31 11:39:41 DHCP INFO DHCPS:Send ACK to 192.168.1.10631 May 31 11:39:40 DHCP INFO DHCPS:Recv REQUEST from 70:77:81:54:75:D730 May 31 11:39:38 DHCP INFO DHCPS:Send ACK to 192.168.1.10229 May 31 11:39:38 DHCP INFO DHCPS:Recv REQUEST from 94:65:2D:C7:CE:7A28 May 31 11:39:38 DHCP INFO DHCPS:Send ACK to 192.168.1.10127 May 31 11:39:38 DHCP INFO DHCPS:Recv REQUEST from 04:D6:AA:01:00:2D26 May 31 11:39:38 DHCP INFO DHCPS:Send ACK to 192.168.1.10125 May 31 11:39:38 DHCP INFO DHCPS:Recv REQUEST from 04:D6:AA:01:00:2D24 May 31 11:39:38 DHCP INFO DHCPS:Send OFFER with ip 192.168.1.10123 May 31 11:39:38 DHCP INFO DHCPS:Recv DISCOVER from 04:D6:AA:01:00:2D22 May 31 11:39:38 DHCP INFO DHCPS:Send OFFER with ip 192.168.1.10221 May 31 11:39:36 DHCP INFO DHCPS:Recv DISCOVER from 94:65:2D:C7:CE:7A20 May 31 11:39:36 DHCP INFO DHCPS:Send OFFER with ip 192.168.1.10119 May 31 11:39:34 DHCP INFO DHCPS:Recv DISCOVER from 04:D6:AA:01:00:2D18 May 31 11:39:22 DHCP INFO DHCPS:Send ACK to 192.168.1.10417 May 31 11:39:21 DHCP INFO DHCPS:Recv REQUEST from 48:4B:AA:52:53:BA16 May 31 11:39:17 DHCP INFO DHCPS:Send ACK to 192.168.1.10015 May 31 11:39:17 DHCP INFO DHCPS:Recv REQUEST from 70:70:0D:DE:8E:0414 May 31 11:39:16 DHCP INFO DHCPS:Send OFFER with ip 192.168.1.10013 May 31 11:39:16 DHCP INFO DHCPS:Recv DISCOVER from 70:70:0D:DE:8E:0412 May 31 11:39:16 DHCP INFO DHCPS:Send OFFER with ip 192.168.1.10011 May 31 11:39:14 DHCP INFO DHCPS:Recv DISCOVER from 70:70:0D:DE:8E:0410 May 31 11:38:55 SECURITY INFO SIP ALG enabled9 May 31 11:38:55 SECURITY INFO RTSP ALG enabled