Here is mine ect/config/network:
config interface 'loopback'
option device 'lo'
option proto 'static'
option ipaddr '127.0.0.1'
option netmask '255.0.0.0'
config globals 'globals'
option ula_prefix 'fdb9:a3be:d100::/48'
config device
option name 'br-lan'
option type 'bridge'
list ports 'lan1'
list ports 'lan2'
list ports 'lan3'
config interface 'lan'
option device 'br-lan'
option proto 'static'
option ipaddr '192.168.1.1'
option netmask '255.255.255.0'
option delegate '0'
config device
option name 'wan'
option macaddr '5c:02:14:31:b9:7d'
config interface 'wan'
option device 'wan'
option proto 'pppoe'
option username '*****'
option password '*****'
option ipv6 'auto'
option delegate '0'
The full log of wan down:
Sun Jan 26 06:38:54 2025 daemon.info dnsmasq-dhcp[1]: DHCPACK(br-lan) 192.168.1.115 34:08:a6:ef:c8:12 DESKTOP-LV5TPDK
Sun Jan 26 08:21:11 2025 daemon.info hostapd: wl1-ap0: STA ce:1e:c1:18:1e:ee WPA: group key handshake completed (RSN)
Sun Jan 26 08:21:18 2025 daemon.info pppd[27855]: LCP terminated by peer
Sun Jan 26 08:21:18 2025 daemon.info pppd[27855]: Connect time 1440.1 minutes.
Sun Jan 26 08:21:18 2025 daemon.info pppd[27855]: Sent 214191770 bytes, received 3742476834 bytes.
Sun Jan 26 08:21:18 2025 daemon.notice netifd: Network device 'pppoe-wan' link is down
Sun Jan 26 08:21:18 2025 daemon.notice ttyd[5245]: [2025/01/26 08:21:18:7439] N: rops_handle_POLLIN_netlink: DELADDR
Sun Jan 26 08:21:18 2025 daemon.notice pppd[27855]: Modem hangup
Sun Jan 26 08:21:18 2025 daemon.notice pppd[27855]: Connection terminated.
Sun Jan 26 08:21:18 2025 kern.debug kernel: [172826.070541] {natflow}:vline_fwd_map_unregister_handle(): handle event for dev=pppoe-wan
Sun Jan 26 08:21:18 2025 kern.debug kernel: [172826.078714] {natflow}:natflow_netdev_event(): catch NETDEV_UNREGISTER event for dev=pppoe-wan
Sun Jan 26 08:21:18 2025 daemon.info pppd[27855]: Sent PADT
Sun Jan 26 08:21:18 2025 daemon.notice netifd: Interface 'wan' has lost the connection
Sun Jan 26 08:21:18 2025 daemon.warn dnsmasq[1]: no servers found in /tmp/resolv.conf.d/resolv.conf.auto, will retry
Sun Jan 26 08:21:18 2025 daemon.info pppd[27855]: Exit.
Sun Jan 26 08:21:19 2025 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 26 08:21:19 2025 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 26 08:21:19 2025 daemon.info pppd[10414]: Plugin pppoe.so loaded.
Sun Jan 26 08:21:19 2025 daemon.info pppd[10414]: PPPoE plugin from pppd 2.5.1
Sun Jan 26 08:21:19 2025 daemon.notice pppd[10414]: pppd 2.5.1 started by root, uid 0
Sun Jan 26 08:21:19 2025 daemon.info pppd[10414]: PPP session is 40868
Sun Jan 26 08:21:19 2025 daemon.warn pppd[10414]: Connected to 40:55:39:F7:CD:00 via interface wan
Sun Jan 26 08:21:19 2025 daemon.info pppd[10414]: Using interface pppoe-wan
Sun Jan 26 08:21:19 2025 daemon.notice pppd[10414]: Connect: pppoe-wan <--> wan
Sun Jan 26 08:21:19 2025 daemon.notice pppd[10414]: PAP authentication succeeded
Sun Jan 26 08:21:19 2025 daemon.notice pppd[10414]: peer from calling number 40:55:39:F7:CD:00 authorized
Sun Jan 26 08:21:19 2025 daemon.notice ttyd[5245]: [2025/01/26 08:21:19:2422] N: rops_handle_POLLIN_netlink: DELADDR
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172826.557674] {natflow}:natflow_netdev_event(): catch event 1 for dev=pppoe-wan : set flags IFF_PPPOE
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172826.566820] {natflow}:vline_fwd_map_ifup_handle(): handle event for dev=pppoe-wan
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172826.574478] {natflow}:natflow_netdev_event(): catch NETDEV_UP event for dev=pppoe-wan(tso=0,0,hw_csum=0,0), add ingress hook
Sun Jan 26 08:21:19 2025 daemon.notice pppd[10414]: local IP address 176.113.185.179
Sun Jan 26 08:21:19 2025 daemon.notice pppd[10414]: remote IP address 10.31.0.18
Sun Jan 26 08:21:19 2025 daemon.notice pppd[10414]: primary DNS address 91.200.216.7
Sun Jan 26 08:21:19 2025 daemon.notice pppd[10414]: secondary DNS address 91.200.216.2
Sun Jan 26 08:21:19 2025 daemon.notice netifd: Network device 'pppoe-wan' link is up
Sun Jan 26 08:21:19 2025 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: reading /tmp/resolv.conf.d/resolv.conf.auto
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using nameserver 91.200.216.7#53
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using nameserver 91.200.216.2#53
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using only locally-known addresses for test
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using only locally-known addresses for onion
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using only locally-known addresses for localhost
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using only locally-known addresses for local
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using only locally-known addresses for invalid
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using only locally-known addresses for bind
Sun Jan 26 08:21:19 2025 daemon.info dnsmasq[1]: using only locally-known addresses for lan
Sun Jan 26 08:21:19 2025 user.notice SQM: Stopping SQM on pppoe-wan
Sun Jan 26 08:21:19 2025 user.notice SQM: ERROR: cmd_wrapper: tc: FAILURE (2): /sbin/tc qdisc del dev pppoe-wan ingress
Sun Jan 26 08:21:19 2025 user.notice SQM: ERROR: cmd_wrapper: tc: LAST ERROR: RTNETLINK answers: No such file or directory
Sun Jan 26 08:21:19 2025 user.notice SQM: ERROR: cmd_wrapper: tc: FAILURE (2): /sbin/tc qdisc del dev pppoe-wan root
Sun Jan 26 08:21:19 2025 user.notice SQM: ERROR: cmd_wrapper: tc: LAST ERROR: RTNETLINK answers: No such file or directory
Sun Jan 26 08:21:19 2025 daemon.notice ttyd[5245]: [2025/01/26 08:21:19:5988] N: rops_handle_POLLIN_netlink: DELADDR
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172826.914590] {natflow}:vline_fwd_map_unregister_handle(): handle event for dev=ifb4pppoe-wan
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172826.923093] {natflow}:natflow_netdev_event(): catch NETDEV_UNREGISTER event for dev=ifb4pppoe-wan
Sun Jan 26 08:21:19 2025 user.notice SQM: Starting SQM script: piece_of_cake.qos on pppoe-wan, in: 9500 Kbps, out: 9500 Kbps
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172827.106148] {natflow}:vline_fwd_map_unregister_handle(): handle event for dev=SQM_IFB_9de34
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172827.114692] {natflow}:natflow_netdev_event(): catch NETDEV_UNREGISTER event for dev=SQM_IFB_9de34
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172827.218086] {natflow}:vline_fwd_map_unregister_handle(): handle event for dev=SQM_IFB_d8ebb
Sun Jan 26 08:21:19 2025 kern.debug kernel: [172827.226569] {natflow}:natflow_netdev_event(): catch NETDEV_UNREGISTER event for dev=SQM_IFB_d8ebb
Sun Jan 26 08:21:20 2025 kern.debug kernel: [172827.344316] {natflow}:vline_fwd_map_unregister_handle(): handle event for dev=SQM_IFB_fcf58
Sun Jan 26 08:21:20 2025 kern.debug kernel: [172827.352825] {natflow}:natflow_netdev_event(): catch NETDEV_UNREGISTER event for dev=SQM_IFB_fcf58
Sun Jan 26 08:21:20 2025 kern.debug kernel: [172827.426217] {natflow}:vline_fwd_map_ifup_handle(): handle event for dev=ifb4pppoe-wan
Sun Jan 26 08:21:20 2025 kern.debug kernel: [172827.434219] {natflow}:natflow_netdev_event(): catch NETDEV_UP event for dev=ifb4pppoe-wan(tso=1,1,hw_csum=1,1), add ingress hook
Sun Jan 26 08:21:20 2025 user.notice SQM: piece_of_cake.qos was started on pppoe-wan successfully
Sun Jan 26 08:21:20 2025 user.notice firewall: Reloading firewall due to ifup of wan (pppoe-wan)
Sun Jan 26 08:21:20 2025 user.notice natflow: Reloading natflow-zone due to ifup of wan (pppoe-wan)
Sun Jan 26 08:21:20 2025 user.notice nlbwmon: Reloading nlbwmon due to ifup of wan (pppoe-wan)
Sun Jan 26 11:00:50 2025 daemon.info dnsmasq-dhcp[1]: DHCPREQUEST(br-lan) 192.168.1.181 ce:1e:c1:16:1e:ee