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Duhhstin's avatar
Duhhstin
Aspirant
Jan 04, 2022

Nighthawk CAX80 Upload/Download speeds and ping spiking

I just got a AX6000 WiFi Cable Modem Router (CAX80) yesterday and have been getting constant ping spikes in games and such every 30-45 seconds ever since. I am running on firmware v2.1.3.5. I replace...
FURRYe38's avatar
FURRYe38
Guru - Experienced User
Jan 04, 2022

Please post a copy and paste of the modems connection status page.
Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
Be sure there are no coax cable line splitters in the between the modem and ISP service box. 
Be sure your using good quality RG6 coax cable up to the modem. 
Be sure to power OFF the modem for 1 minute then back ON.
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853
https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html

 

Are you wired or wirelessly connected to the CAX when gaming? 

There seems to be a problem on 5Ghz wifi:

https://community.netgear.com/t5/Cable-Modems-Routers/CAX80-can-t-upload-5GHZ/m-p/2158905/highlight/true#M34386

Duhhstin's avatar
Duhhstin
Aspirant
Jan 04, 2022

I am not sure if this is what you are reffering to or not, I also have a technician coming out on Saturday to look everything over.

ProcedureStatusComment
Acquire Downstream Channel405 MHzLocked
Connectivity StateOKOperational
Boot StateOKOperational
SecurityEnabledBPI+
 
Downstream Bonded Channels
ChannelLock StatusModulationChannel IDFrequencyPowerSNRCorrectablesUncorrectables
1Locked256 QAM1405000000 Hz5.4 dBmV40.4 dB160
2Locked256 QAM2411000000 Hz5.5 dBmV40.4 dB10
3Locked256 QAM3417000000 Hz5.6 dBmV40.4 dB00
4Locked256 QAM4423000000 Hz5.5 dBmV40.5 dB00
5Locked256 QAM5429000000 Hz5.4 dBmV40.4 dB00
6Locked256 QAM6435000000 Hz5.7 dBmV40.5 dB00
7Locked256 QAM7441000000 Hz5.8 dBmV40.4 dB00
8Locked256 QAM8447000000 Hz5.8 dBmV40.5 dB00
9Locked256 QAM9453000000 Hz5.9 dBmV40.5 dB10
10Locked256 QAM10459000000 Hz6.0 dBmV40.5 dB00
11Locked256 QAM11465000000 Hz6.0 dBmV40.6 dB00
12Locked256 QAM12471000000 Hz6.0 dBmV40.5 dB10
13Locked256 QAM13477000000 Hz6.4 dBmV40.7 dB00
14Locked256 QAM14483000000 Hz6.5 dBmV40.7 dB10
15Locked256 QAM15489000000 Hz6.4 dBmV40.6 dB00
16Locked256 QAM16495000000 Hz6.5 dBmV40.7 dB00
17Locked256 QAM17507000000 Hz6.7 dBmV40.8 dB00
18Locked256 QAM18513000000 Hz6.6 dBmV40.7 dB00
19Locked256 QAM19519000000 Hz6.6 dBmV40.7 dB10
20Locked256 QAM20525000000 Hz6.3 dBmV40.6 dB00
21Locked256 QAM21531000000 Hz6.3 dBmV40.7 dB00
22Locked256 QAM22537000000 Hz6.2 dBmV40.6 dB00
23Locked256 QAM23543000000 Hz6.3 dBmV40.6 dB00
24Locked256 QAM24549000000 Hz6.3 dBmV40.6 dB00
25Locked256 QAM25555000000 Hz6.2 dBmV40.6 dB00
26Locked256 QAM26561000000 Hz6.4 dBmV40.5 dB00
27Locked256 QAM27567000000 Hz6.4 dBmV40.7 dB00
28Locked256 QAM28573000000 Hz6.0 dBmV40.6 dB00
29Locked256 QAM29579000000 Hz6.1 dBmV40.5 dB00
30Locked256 QAM30585000000 Hz6.3 dBmV40.6 dB00
31Locked256 QAM31591000000 Hz6.0 dBmV40.4 dB00
32Not LockedUnknown00 Hz0.0 dBmV0.0 dB00
 
Upstream Bonded Channels (Partial Service)
ChannelLock StatusUS Channel TypeChannel IDSymbol RateFrequencyPower
1LockedATDMA15120 Ksym/sec35600000 Hz25.5 dBmV
2LockedATDMA25120 Ksym/sec29200000 Hz19.5 dBmV
3LockedATDMA35120 Ksym/sec22800000 Hz24.0 dBmV
4LockedATDMA45120 Ksym/sec16400000 Hz18.0 dBmV
5Not LockedUnknown0000.0 dBmV
6Not LockedUnknown0000.0 dBmV
7Not LockedUnknown0000.0 dBmV
8Not LockedUnknown0000.0 dBmV
 
Downstream OFDM Channels
ChannelLock
Status		Modulation /
Profile ID		Channel
ID		FrequencyPowerSNR /
MER		Active Subcarrier
Number Range		Unerrored
Codewords		Correctable
Codewords		Uncorrectable
Codewords
1Locked0 ,1 ,2 ,337690000000 Hz7.08 dBmV40.3 dB1108 ~ 2987693592966654295444
2Not Locked000 Hz0 dBmV0 dB0 ~ 4095000
 
Upstream OFDMA Channels
ChannelLock StatusModulation / Profile IDChannel IDFrequencyPower
1Not Locked000 Hz0 dBmV
2Not Locked000 Hz0 dBmV
  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User
    Jan 04, 2022

    Power levels look ok:

    https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router?article=24311

     

    I'm seeing some correctables on the down, and some on the UP link. Something the ISP needs to look into. These should all be zero. 

     

    Be sure when you ping and speed testing, that your using a wired PC connected to the modem. Ensure you don't have any background running apps on the PC running when your testing. 

    • Duhhstin's avatar
      Duhhstin
      Aspirant
      Jan 04, 2022

      I appreciate the info and insight, I will definetly go over this with my ISP. Thank you!