IPv4 download speed is extremely slow.
Hi All,
After updating Deco M9Plus firmware from 1.6.2 to latest 1.6.3, IPv4 download speed is extremely slow..
Configuration diagram is as follows.
NTT optic fiber ONU
|(Cat6 wired)
Deco M9Plus V2(main)
|(wireless)
DecoM9Plus V2(kitchen)
|(wireless)
DecoM9Plus V2(Bedroom)
Speed test result:
IPV4 Download !!1.97Mbps!! Upload 111.59Mbps
IPV6 Download 585.24Mbps Upload 94.97Mbps
Is there any information regarding known issue for this issue?
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Hi, Thank you very much for your feedback.
Are you still having this issue now?
If yes, may I know the current internet connection types for both IPV4 and IPV6?
May I know the IPV4 download bandwidth of the original 1.6.2 version?
By the way, firmware 1.6.3 could be downgraded back to 1.6.2 directly via web UI.
Wait for your reply and best regards.
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Thanks for the reply.
Yes. the issue is still occurring...
After downgraded to 1.6.2, IPV4 download speed is still slow.
1.6.2 result is as follows;
IPV4 Download 1.90Mbps Upload 102.87Mbps
IPV6 Download 567.88Mbps Upload 94.97Mbps
SpeedTest site: inonius dot net
My internet connection is IPoE + IPv4 over IPv6(MAP-E) which is called "v6Plus" in Japan.
If possible, could you please provide 1.5.x firmware for further diagnostics?
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I run Deco mesh with M9 Plus and do not see speed issues you report with your speed tests.
Check this: https://community.tp-link.com/en/home/forum/topic/655314?replyId=1320586
You should try Ookla speedtest app.
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Thanks for the reply.
Ookla speed test result only shows ipv6 speed.
My issue is only for Ipv4 download speed.
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Hi, Thanks for the update.
I will forward your case to the engineers later to see whether they have any better suggestions.
Please check whether you can receive my email later.
Best regards.
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Thanks for the escalation.
I have received an e-mail about TKID240234885.
I will wait response from your engineers.
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