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connection up and down. DoS Attacks and Ranging Request Retries exhausted

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connection up and down. DoS Attacks and Ranging Request Retries exhausted

I just turned on xFinity, and it just won't stay connected.

 

I get these:

DoS attack] ICMP Flood from 3.95.65.96 1 Sunday, 05 Apr 2020 07:11:20 24.8.43.230 3.95.65.96
[DoS attack] ICMP Flood from 13.58.149.89 1 Sunday, 05 Apr 2020 07:08:59 24.8.43.230 13.58.149.89
[DoS attack] ICMP Flood from 3.95.65.96 1 Sunday, 05 Apr 2020 07:01:20 24.8.43.230 3.95.65.96
[DoS attack] ICMP Flood from 13.58.149.89 1 Sunday, 05 Apr 2020 06:58:59 24.8.43.230 13.58.149.89
[DoS attack] ICMP Flood from 3.95.65.96 1 Sunday, 05 Apr 2020 06:51:20 24.8.43.230 3.95.65.96

 

and these:

Apr 05 2020 16:25:23 Critical (3) No Ranging Response received - T3 time-out
Apr 05 2020 16:24:58 Warning (5) TCS Partial Service
Apr 05 2020 16:24:58 Warning (5) Initializing Channel Timeout Expires - Time the CM can perform initial ranging on all upstream channels in the TCS has expired
Apr 05 2020 16:23:59 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out
Apr 05 2020 16:23:57 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Apr 05 2020 16:22:59 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out
Apr 05 2020 16:19:03 Critical (3) No Ranging Response received - T3 time-out
Apr 05 2020 16:18:59 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Apr 05 2020 16:18:59 Critical (3) Ranging Request Retries exhausted
Apr 05 2020 16:14:18 Critical (3)

No Ranging Response received - T3 time-out

 

Not sure if they are related, but the connection is unusable.

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Re: connection up and down. DoS Attacks and Ranging Request Retries exhausted

Stats from NetGear cable modem

 
System Up Time      02:38:32
Port Status TxPkts RxPkts Collisions Tx B/s Rx B/s Up Time
WAN Link Up 17175 21970 0 8961 44939 00:04:55
LAN1 100M/Full 10380 24798 0 779 433 00:19:12
LAN2 Link Down --
LAN3 1000M/Full 00:15:05
LAN4 Link Down --
WLAN/2.4G 450M 551 302 0 10 10 02:35:38
WLAN/5G 1.3G 0 0 0 0 0 02:35:38