USB Tethering With ncm

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marklg
DD-WRT Novice


Joined: 19 Oct 2017
Posts: 29

PostPosted: Sun Apr 16, 2023 22:03    Post subject: USB Tethering With ncm Reply with quote
I can't find a discussion of USB Tethering with ncm. Newer phones no longer support rndis, so the wiki method described at

https://wiki.dd-wrt.com/wiki/index.php/Cellular_Phone/USB_Modem_as_WAN_connection

will not work.

Has anyone gotten this to work with ncm and how? I do see kernel module

/lib/modules/4.4.302-st28/cdc_ncm.ko

in a recent R6700 V3 Build. Is it as simple as loading that module instead of rndis_host.ko?

Regards,

Mark
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blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 5660

PostPosted: Sun Apr 16, 2023 22:21    Post subject: Reply with quote
Good question, and hope you find USB tethering to be compatible with your phone. Just in case you did not know:
hebeda wrote:
i think the more easy approach is a android phone with android 12 or higher and a USB to Ethernet Adapter , it should have native Ethernet tethering support.

i am using a EDUP EP-9802 USB C to Ethernet Adapter with Realtek RTL8153 Chipset for such purpose with my Xiaomi Poco X3 Pro Phone ..
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marklg
DD-WRT Novice


Joined: 19 Oct 2017
Posts: 29

PostPosted: Fri May 19, 2023 0:29    Post subject: Re: USB Tethering With ncm Reply with quote
marklg wrote:
I can't find a discussion of USB Tethering with ncm. Newer phones no longer support rndis, so the wiki method described at

https://wiki.dd-wrt.com/wiki/index.php/Cellular_Phone/USB_Modem_as_WAN_connection

will not work.

Has anyone gotten this to work with ncm and how? I do see kernel module

/lib/modules/4.4.302-st28/cdc_ncm.ko

in a recent R6700 V3 Build. Is it as simple as loading that module instead of rndis_host.ko?

Regards,

Mark


I did try replacing insmod rndis_host.ko with insmod cdc_ncm.ko and added more delay and it seems to work with a Pixel 6 Pro.

Regards,

Mark
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