Uncorrectable codewords, unstable download speed, ping spikes

I'm having trouble with the ping spikes while gaming, when I checked the Cox network status I saw the uncorrectable codewords in 5 indexes. Is this the reason that cause the unstable download and ping spikes? I'm using panoramic wifi gateway, put it in bridge mode and using my own router.

Downstream	Channel Bonding Value
Index	29	13	18	19	20	21	22	23	24	25	26	27	28	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	159
Lock Status	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked	Locked
Frequency	951 MHz	855 MHz	885 MHz	891 MHz	897 MHz	903 MHz	909 MHz	915 MHz	921 MHz	927 MHz	933 MHz	939 MHz	945 MHz	957 MHz	963 MHz	969 MHz	357 MHz	363 MHz	369 MHz	375 MHz	381 MHz	387 MHz	393 MHz	399 MHz	405 MHz	411 MHz	417 MHz	423 MHz	429 MHz	435 MHz	441 MHz	447 MHz	300 MHz	203600000
SNR	35.3 dB	36.6 dB	35.8 dB	33.9 dB	36.6 dB	36.1 dB	36.4 dB	36.2 dB	35.9 dB	35.7 dB	35.8 dB	35.5 dB	35.0 dB	35.2 dB	35.2 dB	35.3 dB	41.3 dB	41.7 dB	41.6 dB	41.7 dB	41.8 dB	41.8 dB	41.8 dB	41.7 dB	41.8 dB	41.8 dB	41.9 dB	41.7 dB	41.8 dB	41.9 dB	42.0 dB	42.0 dB	44.1 dB	NA
Power Level	-11.4 dBmV	-8.4 dBmV	-9.5 dBmV	-10.2 dBmV	-9.9 dBmV	-10.6 dBmV	-10.2 dBmV	-10.5 dBmV	-10.7 dBmV	-11.0 dBmV	-11.0 dBmV	-11.3 dBmV	-11.9 dBmV	-11.5 dBmV	-11.3 dBmV	-11.0 dBmV	-4.1 dBmV	-3.8 dBmV	-4.0 dBmV	-3.7 dBmV	-3.6 dBmV	-3.5 dBmV	-3.6 dBmV	-3.6 dBmV	-3.5 dBmV	-3.8 dBmV	-3.9 dBmV	-4.2 dBmV	-4.0 dBmV	-4.0 dBmV	-3.8 dBmV	-3.6 dBmV	0.3 dBmV	NA
Modulation	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	256 QAM	OFDM	OFDM

Upstream	Channel Bonding Value
Index	1	2	3	4
Lock Status	Locked	Locked	Locked	Locked
Frequency	16 MHz	23 MHz	29 MHz	36 MHz
Symbol Rate	5120	5120	5120	5120
Power Level	45.5 dBmV	46.0 dBmV	46.5 dBmV	47.0 dBmV
Modulation	QAM	QAM	QAM	QAM
Channel Type	ATDMA	ATDMA	ATDMA	ATDMA

Index	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33
Unerrored Codewords	3245096909	3769438377	3769445508	3769451041	3769454346	3752440429	3754606539	3747455017	3749750055	3760382179	3769484117	3769488333	3769493639	3769492779	3769502033	3769507094	3769512223	3769516979	3769521807	3769526968	3769533399	3769536958	3769541762	3769546249	3769551106	3769555271	3769558821	3769565853	3769570262	3769574123	3769575644	3769578563	3245096909
Correctable Codewords	959242843	2	4	21	10	1347907	1842565	3015762	3507906	2036507	42	63	132	101	77	81	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	959242843
Uncorrectable Codewords	0	0	0	0	0	5513846	5707814	7546080	8991907	3981654	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

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Uncorrectable codewords, unstable download speed, ping spikes

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