GL AR750S - Wireguard client doesn't work some times

Hello,

My GL AR750S works fine connecting to Wireguard VPN for few days at a time, then stops working for few days and so on. I can’t get what the issue is. System log gives the below problem. I removed the DNS from the Wireguard client. What’s strange is it works on some days and then stops working! Any ideas how to resolve?

Thanks!

Mon Nov 27 10:32:00 2023 daemon.info dnsmasq[22334]: exiting on receipt of SIGTERM
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: started, version 2.80 cachesize 150
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: DNS service limited to local subnets
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: compile time options: IPv6 GNU-getopt no-DBus no-i18n no-IDN DHCP DHCPv6 no-Lua TFTP conntrack ipset auth nettlehash DNSSEC no-ID loop-detect inotify dumpfile
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq-dhcp[24378]: DHCP, IP range 192.168.8.100 – 192.168.8.249, lease time 12h
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain test
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain onion
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain localhost
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain local
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain invalid
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain bind
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain lan
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: reading /tmp/resolv.conf.auto
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain test
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain onion
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain localhost
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain local
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain invalid
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain bind
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using local addresses only for domain lan
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: using nameserver 192.168.0.1#53
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: read /etc/hosts - 4 addresses
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq[24378]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Mon Nov 27 10:32:01 2023 daemon.info dnsmasq-dhcp[24378]: read /etc/ethers - 0 addresses
Mon Nov 27 10:32:05 2023 kern.alert kernel: [ 2015.812609] fast-classifier: starting up
Mon Nov 27 10:32:05 2023 kern.alert kernel: [ 2015.816918] fast-classifier: registered
Mon Nov 27 10:32:05 2023 user.notice wiregaurd: client stop completed, del glwg.lock

addition, when I use my cellphone to hotspot the GL router, the VPN works!

changed DNS in the interface section of WG and seems to be working for now!
9.9.9.9,192.168.8.1

Please upgrade to firmware 4.3.7
https://dl.gl-inet.cn/?model=ar750s