I notice one of my AP suddenly downgraded connection from 1Gbps/Full to 100Mbps/Full, I saw some strange kernel logs as follows,
[1152623.612533] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1152915.684709] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1152942.545239] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1152967.304892] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1152973.523733] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1153405.140270] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1153506.079497] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1153534.695141] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1164854.255854] Rekeying PTK for STA 22:2b:d1:9a:74:86 but driver can't safely do that.
[1177345.863650] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1177364.861583] Rekeying PTK for STA 22:2b:d1:9a:74:86 but driver can't safely do that.
[1178946.852161] mt7530 mdio-bus:1f lan1: Link is Down
[1178946.865289] br-lan: port 1(lan1) entered disabled state
[1178948.900273] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
[1178948.908022] br-lan: port 1(lan1) entered blocking state
[1178948.913445] br-lan: port 1(lan1) entered forwarding state
[1179013.411736] mt7530 mdio-bus:1f lan1: Link is Down
[1179013.416783] br-lan: port 1(lan1) entered disabled state
[1179015.459877] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
[1179015.467623] br-lan: port 1(lan1) entered blocking state
[1179015.473047] br-lan: port 1(lan1) entered forwarding state
[1179016.483717] mt7530 mdio-bus:1f lan1: Link is Down
[1179016.488763] br-lan: port 1(lan1) entered disabled state
[1179022.627868] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
[1179022.635611] br-lan: port 1(lan1) entered blocking state
[1179022.641033] br-lan: port 1(lan1) entered forwarding state
[1179023.651662] mt7530 mdio-bus:1f lan1: Link is Down
[1179023.656695] br-lan: port 1(lan1) entered disabled state
[1179025.699884] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
[1179025.707628] br-lan: port 1(lan1) entered blocking state
[1179025.713054] br-lan: port 1(lan1) entered forwarding state
[1179026.723650] mt7530 mdio-bus:1f lan1: Link is Down
[1179026.728683] br-lan: port 1(lan1) entered disabled state
[1179028.771797] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
[1179028.779547] br-lan: port 1(lan1) entered blocking state
[1179028.784978] br-lan: port 1(lan1) entered forwarding state
[1179029.795640] mt7530 mdio-bus:1f lan1: Link is Down
[1179029.800677] br-lan: port 1(lan1) entered disabled state
[1179031.843873] mt7530 mdio-bus:1f lan1: Link is Up - 100Mbps/Full - flow control rx/tx
[1179031.851800] br-lan: port 1(lan1) entered blocking state
[1179031.857223] br-lan: port 1(lan1) entered forwarding state
[1194627.579318] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
[1196521.768190] Rekeying PTK for STA b4:4b:d2:ed:ba:5b but driver can't safely do that.
[1198264.626795] Rekeying PTK for STA 22:2b:d1:9a:74:86 but driver can't safely do that.
[1209172.775406] Rekeying PTK for STA a2:82:f9:3f:9e:30 but driver can't safely do that.
This logs also can be seen from system logs,
Wed Dec 15 16:10:12 2021 daemon.info hostapd: wlan1: STA a2:82:f9:3f:9e:30 IEEE 802.11: disassociated due to inactivity
Wed Dec 15 16:10:13 2021 daemon.info hostapd: wlan1: STA a2:82:f9:3f:9e:30 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Wed Dec 15 16:10:19 2021 daemon.info dnsmasq-dhcp[7490]: DHCPREQUEST(br-guest) 192.168.10.224 34:ce:00:b2:7f:e5
Wed Dec 15 16:10:19 2021 daemon.info dnsmasq-dhcp[7490]: DHCPACK(br-guest) 192.168.10.224 34:ce:00:b2:7f:e5
Wed Dec 15 16:29:50 2021 kern.warn kernel: [1177364.861583] Rekeying PTK for STA 22:2b:d1:9a:74:86 but driver can't safely do that.
Wed Dec 15 16:29:50 2021 kern.info kernel: [1178946.852161] mt7530 mdio-bus:1f lan1: Link is Down
Wed Dec 15 16:29:50 2021 kern.info kernel: [1178946.865289] br-lan: port 1(lan1) entered disabled state
Wed Dec 15 16:29:50 2021 daemon.notice netifd: Network device 'lan1' link is down
Wed Dec 15 16:29:52 2021 kern.info kernel: [1178948.900273] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
Wed Dec 15 16:29:52 2021 kern.info kernel: [1178948.908022] br-lan: port 1(lan1) entered blocking state
Wed Dec 15 16:29:52 2021 kern.info kernel: [1178948.913445] br-lan: port 1(lan1) entered forwarding state
Wed Dec 15 16:29:52 2021 daemon.notice netifd: Network device 'lan1' link is up
Wed Dec 15 16:30:57 2021 kern.info kernel: [1179013.411736] mt7530 mdio-bus:1f lan1: Link is Down
Wed Dec 15 16:30:57 2021 kern.info kernel: [1179013.416783] br-lan: port 1(lan1) entered disabled state
Wed Dec 15 16:30:57 2021 daemon.notice netifd: Network device 'lan1' link is down
Wed Dec 15 16:30:59 2021 kern.info kernel: [1179015.459877] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
Wed Dec 15 16:30:59 2021 kern.info kernel: [1179015.467623] br-lan: port 1(lan1) entered blocking state
Wed Dec 15 16:30:59 2021 kern.info kernel: [1179015.473047] br-lan: port 1(lan1) entered forwarding state
Wed Dec 15 16:30:59 2021 daemon.notice netifd: Network device 'lan1' link is up
Wed Dec 15 16:31:00 2021 kern.info kernel: [1179016.483717] mt7530 mdio-bus:1f lan1: Link is Down
Wed Dec 15 16:31:00 2021 kern.info kernel: [1179016.488763] br-lan: port 1(lan1) entered disabled state
Wed Dec 15 16:31:00 2021 daemon.notice netifd: Network device 'lan1' link is down
Wed Dec 15 16:31:06 2021 kern.info kernel: [1179022.627868] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
Wed Dec 15 16:31:06 2021 kern.info kernel: [1179022.635611] br-lan: port 1(lan1) entered blocking state
Wed Dec 15 16:31:06 2021 kern.info kernel: [1179022.641033] br-lan: port 1(lan1) entered forwarding state
Wed Dec 15 16:31:06 2021 daemon.notice netifd: Network device 'lan1' link is up
Wed Dec 15 16:31:07 2021 kern.info kernel: [1179023.651662] mt7530 mdio-bus:1f lan1: Link is Down
Wed Dec 15 16:31:07 2021 kern.info kernel: [1179023.656695] br-lan: port 1(lan1) entered disabled state
Wed Dec 15 16:31:07 2021 daemon.notice netifd: Network device 'lan1' link is down
Wed Dec 15 16:31:09 2021 kern.info kernel: [1179025.699884] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
Wed Dec 15 16:31:09 2021 kern.info kernel: [1179025.707628] br-lan: port 1(lan1) entered blocking state
Wed Dec 15 16:31:09 2021 kern.info kernel: [1179025.713054] br-lan: port 1(lan1) entered forwarding state
Wed Dec 15 16:31:09 2021 daemon.notice netifd: Network device 'lan1' link is up
Wed Dec 15 16:31:10 2021 kern.info kernel: [1179026.723650] mt7530 mdio-bus:1f lan1: Link is Down
Wed Dec 15 16:31:10 2021 kern.info kernel: [1179026.728683] br-lan: port 1(lan1) entered disabled state
Wed Dec 15 16:31:10 2021 daemon.notice netifd: Network device 'lan1' link is down
Wed Dec 15 16:31:12 2021 kern.info kernel: [1179028.771797] mt7530 mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
Wed Dec 15 16:31:12 2021 kern.info kernel: [1179028.779547] br-lan: port 1(lan1) entered blocking state
Wed Dec 15 16:31:12 2021 kern.info kernel: [1179028.784978] br-lan: port 1(lan1) entered forwarding state
Wed Dec 15 16:31:12 2021 daemon.notice netifd: Network device 'lan1' link is up
Wed Dec 15 16:31:13 2021 kern.info kernel: [1179029.795640] mt7530 mdio-bus:1f lan1: Link is Down
Wed Dec 15 16:31:13 2021 kern.info kernel: [1179029.800677] br-lan: port 1(lan1) entered disabled state
Wed Dec 15 16:31:13 2021 daemon.notice netifd: Network device 'lan1' link is down
Wed Dec 15 16:31:15 2021 kern.info kernel: [1179031.843873] mt7530 mdio-bus:1f lan1: Link is Up - 100Mbps/Full - flow control rx/tx
Wed Dec 15 16:31:15 2021 kern.info kernel: [1179031.851800] br-lan: port 1(lan1) entered blocking state
Wed Dec 15 16:31:15 2021 kern.info kernel: [1179031.857223] br-lan: port 1(lan1) entered forwarding state
Wed Dec 15 16:31:15 2021 daemon.notice netifd: Network device 'lan1' link is up
Wed Dec 15 17:05:23 2021 daemon.info hostapd: wlan1: STA b4:4b:d2:ed:ba:5b WPA: group key handshake completed (RSN)
Wed Dec 15 17:05:23 2021 daemon.info hostapd: wlan1: STA dc:56:e7:4f:80:4a WPA: group key handshake completed (RSN)
I didn't do anything in between and I confirm the cable is good and meets cat6.e category stander, I have three APs are enabled FT and all wired up to the primary router. I'm confused, why is this happening? I never saw this but today, coz I saw the lan light became to amber which indicates speed capped to 100Mbps only. The other two APs work at 1Gbps/F with no this issue.
Any comment would be welcome, thanks.
Model | Linksys EA7500 v2 |
---|---|
Architecture | MediaTek MT7621 ver:1 eco:3 |
Firmware Version | OpenWrt 21.02.1 r16325-88151b8303 / LuCI openwrt-21.02 branch git-21.295.67054-13df80d |
Kernel Version | 5.4.154 |
Local Time | 2021-12-16 22:37:55 |