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Upper Wi-fi Channels incorrectly using lower channels.
I'm finding there is an issue with the chosen higher wi-fi channels in European 2.4GHz band.
Due to neighbours 'broadcasts' I opted to set my preferred Channel to 13, and rebooted the router. I was therefore somewhat surprised when although the (Advanced) 'Wireless Setup' page corectly identified the chosen channel as 13, but that when looking at the router's Advanced Home page setup (showing the 2.4GHz Wireless panel) it shows that the router is actually using Channel 9 - and indeed I can (through my tablet) confirm that the channel in use is Ch. 9.
I therefore checked that if I set the router to use Ch 1, 2, 3, 4, 5, 6 , 7 &8 then that's what it does, and it indicates it correctly as well.
But then selecting Ch 9 shows the Channel in use as Ch 5! Ch 10 uses Ch 6, Ch 11 uses Ch 7 , and Ch 12 uses Ch 8 . I can also confirm that the router does not use the selected channels above Ch 8.
It therefore seems as though this router can only really use Channels 1 - 9, despite the fact that you can select Chs 1 - 13.
I've since updated the firmware to the latest version 1.0.0.88, but that version of firmware hasn't rectified this issue.
is Netgear aware of this issue? Does anyone know if there is a fix for this? Are we actually limited to only using these 9 Channels?
Schumaku - Congratulations! I believe you have found the solution!
Deselecting that '20/40MHz Co-existence' checkbox has returned the information - Channel 13(P)+9(S) and the router is now correctly using Channel 13.
Many, many thanks.
11 Replies
We have 2 things to consider here.
First, on the wirless page is a REGION. What is that set for? Depending where the modem/router (D6400) was bought that could limit you. Look at the manual (http://www.downloads.netgear.com/files/GDC/D6400/D6400_UM_EN.pdf) starting on page 94. Look at page 95 as well, has this, "In some regions, not all channels are available."?
Secondly, this is a MODEM as well. In the US at least, and possibly everywhere, the firmware is under the control of the ISP. You can't change the f/w. Changes you can make may be limited as well. Have you contacted your ISP?
> Secondly, this is a MODEM as well. In the US at least, and possibly
> everywhere, the firmware is under the control of the ISP. You can't
> change the f/w. [...]Not really. The firmware of a device which is (or includes) a DOCSIS
cable-TV-type modem is controlled by the ISP. A D6400 is a DSL
nodem+router, not a DOCSIS cable-TV-type modem+router.> [...] Look at the manual [...]
Take your own advice? Look for "Update the Firmware of the Modem
Router". (Yow.)
antinode wrote:> [...] Look at the manual [...]
Take your own advice? Look for "Update the Firmware of the Modem
Router". (Yow.)I do not appreciate your snotty condescending attitude and replies. Apparently from other threads, so do others feel the same. If you can't politely reply and correct errors or omissions, keep your opinion's to yourself please.
Thanks, but yes the router is correctly set for Europe/UK, where technically we have 13 channels available, on the 2.4GHz band.
[It's in North America that there are just 11 channels available, and this router was bought here in the UK as a UK model.]
Yes, the device is useable as either a full-blown router or as a modem only (again software selectable in the devices firmware) - and it's configured as a router in this c ase.
BT - our national infrastructure provider, as well as my ISP in this case - don't make any configuration alterations to routers: they simply determine the Sync rate that the router sees over the connection, and use Dynamic Line Management (DLM) to determine the maximum service available with the minimum errors. In this instance I'm happily getting 50Mb/s -10Mb/s with zero errors being recorded by the router!!
