[OpenWrt-Devel] lantiq DSL drivers / firmware info
johannes at sipsolutions.net
Mon May 4 15:13:58 EDT 2015
On Mon, 2015-05-04 at 21:00 +0200, Martin Blumenstingl wrote:
> Like I previously said: there's probably something wrong at my end.
> I have the Annex A version of the TD-W8970 and I am trying to use it with
> my Annex B ADSL connection (for the record: I am not using a splitter).
> While trying to connect the dsl_cpe_control tool reports:
> "Wrong combination of DSL PHY Firmware and hybrid type used! Please
> change one of it."
I've never seen that, but which firmware are you using?
I'd been using the speedport 1.21
(e1ef690e8dc0075468d4b6ba7bcdd0fc710bc671) one IIRC.
> So either my configuration is still incorrect or the modem is somehow
> (probably a hardware configuration, maybe via a resistor) configured to
> enforce a different hybrid or Annex type (this is pure speculation though).
Are you on VDSL Annex B, where you'd fall back to ADSL 16/1 when
vectoring isn't supported? If so, this configuration should work:
config vdsl 'dsl'
option annex 'b'
option firmware '/lib/firmware/vdsl.bin'
option tone 'b'
option xfer_mode 'ptm'
(actually I think you can/should remove the "annex" line)
On my previous ISP I was on Annex A, but I don't have the right
configuration right now.
> > Note that the system seems to be too slow for 100 Mbps though, so this
> > is somewhat academic, it can't do 100 Mbps NAT in my tests. I'm probably
> > going to replace it with something faster and leave VDSL to a separate
> > modem.
> I am interested in your test results, even though it's purely academic :-).
First I'm going to replace this router with one that's faster, and then
I'll start playing with this :-) Right now I need it to have internet
> Someone else has tested the new driver in the meantime (using Annex A,
> no VDSL): 
> It seems that the modem syncs and is even able to connect (as far as I
> understand with some manual steps), but after a few minutes the connection
Interesting. I don't think I ever saw any connection dropouts ever.
OTOH, I occasionally had the whole system spontaneously wedge itself and
require a power cycle, so ...
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