[PATCH 0/3] Enabling IPv6 on Qualcomm MDM9x00 chipsets

Bjørn Mork bjorn at mork.no
Thu Nov 28 05:56:02 PST 2013


Dan Williams <dcbw at redhat.com> writes:

> Most of my modems have this NV item inactive; though one (USB551L) has
> it enabled, and another (Sierra 313U) has it disabled.
>
> So I decided to test with my Huawei E397Bu-501.
>
> 1) run ipv6pref => inactive
> 2) AT+CGDCONT=1,IPV4V6
> 3) run ModemManager
> 4) mmcli -m 0 --simple-connect="apn=epc.tmobile.com,ip-type=IPv4v6"
> 5) and I *do* get both IPv4 and IPv6 addresses
>
> in other words, I was able to do IPv6 on this device without having set
> the IPV6_ENABLED NV item to 1.  Any idea why that is?  Maybe some
> versions enable IPv6 unconditionally and don't care about the NV item?

Maybe.  Or maybe it just affects the LTE default bearer? And you are
propably happily using IPv4 for that?  Not that I know how to figure out
which protocol or addresses are allocated to it.



Bjørn


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