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WAN Flapping began suddenly

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  • #7130
    rmourton
    Participant

    Hoping someone has some ideas on this as I have been beating my head against the wall.

    Issue: I paused internet on the device home page for 4 days, as well as in access control profiles. When I unpaused everything today (child was grounded), it resets the connection every 30-90 seconds.

    Troubleshooting Attempted: I have reset to factory twice, updated to lasted firmware, and rolled back to the previously used. No effect.

    — Log Snippet —
    Tue Jan 20 19:40:02 2026 daemon.info procd: Instance mp::instance1 pid 6968 not stopped on SIGTERM, sending SIGKILL instead Tue Jan 20 19:40:04 2026 kern.info kernel: [ 135.789051] mt7530 mdio-bus:1f wan: Link is Up – 1Gbps/Full – flow control rx/tx Tue Jan 20 19:40:04 2026 kern.info kernel: [ 135.796539] eth-wan: port 1(wan) entered blocking state Tue Jan 20 19:40:04 2026 kern.info kernel: [ 135.801784] eth-wan: port 1(wan) entered forwarding state Tue Jan 20 19:40:04 2026 daemon.notice netifd: Network device ‘wan’ link is up Tue Jan 20 19:40:04 2026 kern.info kernel: [ 135.808005] IPv6: ADDRCONF(NETDEV_CHANGE): eth-wan: link becomes ready Tue Jan 20 19:40:04 2026 daemon.notice netifd: bridge ‘eth-wan’ link is up Tue Jan 20 19:40:04 2026 kern.info kernel: [ 135.815322] IPv6: ADDRCONF(NETDEV_CHANGE): eth-wan.2: link becomes ready Tue Jan 20 19:40:04 2026 daemon.notice netifd: VLAN ‘eth-wan.2’ link is up Tue Jan 20 19:40:04 2026 daemon.notice netifd: Interface ‘wan’ has link connectivity Tue Jan 20 19:40:04 2026 daemon.notice netifd: Interface ‘wan’ is setting up now Tue Jan 20 19:40:04 2026 daemon.notice netifd: wan (10665): udhcpc: started, v1.33.2 Tue Jan 20 19:40:04 2026 daemon.notice netifd: wan (10665): udhcpc: sending discover Tue Jan 20 19:40:05 2026 daemon.notice netifd: wan (10665): udhcpc: sending select for 192.168.1.95 Tue Jan 20 19:40:05 2026 daemon.notice netifd: wan (10665): udhcpc: lease of 192.168.1.95 obtained, lease time 86400 Tue Jan 20 19:40:05 2026 daemon.notice netifd: Interface ‘wan’ is now up Tue Jan 20 19:40:06 2026 user.notice iface.hotplug: Restarting network services due to ifup of wan (eth-wan.2)

    ———

    Thoughts from GPT (sorry I was out of ideas) —
    From your logs and config, this is what’s happening:
    WAN comes up normally
    DHCP renew starts (healthy)
    mp performs a policy/health check
    That check fails or times out (likely upstream-related)
    PCWRT policy logic responds by restarting network services
    netifd SIGTERMs udhcpc
    DHCP lease is released
    WAN drops
    Loop repeats
    This is by design in PCWRT:
    If the policy engine cannot validate its state, it resets the network to enforce safety.

    Thank you in advance to any brighter minds who have an idea. I appreciate any time and guidance.

    #7132
    support
    Keymaster

    Looks like the router is connected to another router before the ISP. Let’s start with the state immediately after factory reset. Do the initial setup to secure your WiFi. Would the WAN connection hold steady?

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