I have a Netgear Nighthawk M6 (mr6150) connected to the Beryl AX / MT3000 WAN port. I was noticing the light blinking from time to time. I went into the Beryl and discovered the interface was going up and down about every 3 mins. Is this a negotiation issue? I have checked the cable of course. Any ideas?
Log output -
Sun May 28 17:01:36 2023 kern.info kernel: [ 1155.346129] mtk_soc_eth 15100000.ethernet eth0: Link is Down
Sun May 28 17:01:36 2023 daemon.notice netifd: Network device ‘eth0’ link is down
Sun May 28 17:01:36 2023 daemon.notice netifd: Interface ‘wan’ has link connectivity loss
Sun May 28 17:01:36 2023 daemon.notice netifd: Interface ‘wan’ is now down
Sun May 28 17:01:36 2023 daemon.info avahi-daemon[3628]: Withdrawing address record for 192.168.1.5 on eth0.
Sun May 28 17:01:36 2023 daemon.info avahi-daemon[3628]: Leaving mDNS multicast group on interface eth0.IPv4 with address 192.168.1.5.
Sun May 28 17:01:36 2023 daemon.notice netifd: Interface ‘wan’ is disabled
Sun May 28 17:01:36 2023 kern.info kernel: [ 1155.365201] mtk_soc_eth 15100000.ethernet eth0: configuring for fixed/2500base-x link mode
Sun May 28 17:01:36 2023 daemon.info avahi-daemon[3628]: Interface eth0.IPv4 no longer relevant for mDNS.
Sun May 28 17:01:36 2023 daemon.info avahi-daemon[3628]: Interface eth0.IPv6 no longer relevant for mDNS.
Sun May 28 17:01:36 2023 daemon.info avahi-daemon[3628]: Leaving mDNS multicast group on interface eth0.IPv6 with address
Sun May 28 17:01:36 2023 daemon.info avahi-daemon[3628]: Withdrawing address record for
Sun May 28 17:01:36 2023 daemon.notice netifd: Interface ‘wan’ is enabled
Sun May 28 17:01:36 2023 user.notice mwan3[3832]: Execute ifdown event on interface wan (unknown)
Sun May 28 17:01:36 2023 user.info mwan3track[30329]: Detect ifdown event on interface wan (eth0)
Sun May 28 17:01:36 2023 user.notice mwan3track[30329]: Interface wan (eth0) is offline
Sun May 28 17:01:36 2023 user.notice firewall: Reloading firewall due to ifdown of wan ()
Sun May 28 17:01:39 2023 kern.info kernel: [ 1158.445401] mtk_soc_eth 15100000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
Sun May 28 17:01:39 2023 kern.info kernel: [ 1158.453896] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Sun May 28 17:01:39 2023 daemon.notice netifd: Network device ‘eth0’ link is up
Sun May 28 17:01:39 2023 daemon.notice netifd: Interface ‘wan’ has link connectivity
Sun May 28 17:01:39 2023 daemon.notice netifd: Interface ‘wan’ is setting up now
Sun May 28 17:01:39 2023 daemon.info avahi-daemon[3628]: Joining mDNS multicast group on interface eth0.IPv4 with address 192.168.1.5.
Sun May 28 17:01:39 2023 daemon.info avahi-daemon[3628]: New relevant interface eth0.IPv4 for mDNS.
Sun May 28 17:01:39 2023 daemon.info avahi-daemon[3628]: Registering new address record for 192.168.1.5 on eth0.IPv4.
Sun May 28 17:01:39 2023 daemon.notice netifd: Interface ‘wan’ is now up
Sun May 28 17:01:39 2023 user.notice mwan3[4435]: Execute ifup event on interface wan (eth0)
Sun May 28 17:01:39 2023 user.notice mwan3[4435]: Starting tracker on interface wan (eth0)
Sun May 28 17:01:40 2023 user.notice mwan3track[30329]: Stopping mwan3track for interface “wan”
Sun May 28 17:01:41 2023 daemon.info avahi-daemon[3628]: Joining mDNS multicast group on interface eth0.IPv6 with address
Sun May 28 17:01:41 2023 daemon.info avahi-daemon[3628]: New relevant interface eth0.IPv6 for mDNS.
Sun May 28 17:01:41 2023 daemon.info avahi-daemon[3628]: Registering new address record for ipv6 on eth0.*.
Sun May 28 17:01:41 2023 user.info mwan3rtmon[7235]: Detect rtchange event.
Sun May 28 17:01:41 2023 user.notice firewall: Reloading firewall due to ifup of wan (eth0)