On Mon, 14 Jan 2019 17:59:30 +0000, Tim wrote:
> If anybody has any stories regarding OpenWRT I would interested to
> hear them

On Sat, 26 Jan 2019 13:13:02 +0000, Ralph Corderoy wrote:
> Every time I'm in the market for a new broadband modem, like now,
> I consider buying one supported by OpenWRT, but never manage it.

The last I checked, the only available ADSL or VDSL modem that OpenWRT 
appeared to actually have a driver for was the one inside the BT Home 
Hub 5 type A (a.k.a. Plusnet Hub One or BT Business Hub 5).

It is not a badly specified device given how cheaply available they 
are. 802.11ac, 128MB RAM, 128MB flash, 500MHz CPU. I bought one and 
put OpenWRT on it. The main downsides I see are:

* Though it has gigabit network interfaces, it is not capable of
  actually routing traffic at gigabit speeds. (I don't care about
  that: it's fast enough for me.)

* It is too easy to press the prominently-located restart button while
  handling the device, causing an unwanted reboot. Presumably the
  stock firmware requires regular rebooting so they decided to make a
  feature out of it.

* It makes a quiet ticking noise like a laptop hard drive when it is
  transceiving WiFi traffic. (This seems to be the power supply
  circuitry responding to the varying load, because connecting a USB-
  powered device that uses PWM to fade some LEDs up and down causes
  the Home Hub to provide an audible rendition of the PWM signal,
  providing many minutes of entertainment.)

* Unlike the radio in my previous, lower-spec Buffalo device (also
  running OpenWRT), the WiFi radios don't seem to support operating
  simultaneously as both a client and an access point. Though, since
  it's dual band and has two radios, the unit as a whole can do this,
  provided you don't mind dedicating a whole frequency band (2.4GHz or
  5GHz) to each of these functions.

* It doesn't have many indicator LEDs (but all three are RGB, so you
  can squeeze quite a bit of information out through them).

* No option for external WiFi antennae (it works well without them,
  but some people might have a specific reason why they need or want
  them).

Its been very stable for me. The only unplanned downtime has been due 
to power failures.

I've only tried the xDSL modem itself for an hour or two, to test it. 
Therefore, I can't vouch for the xDSL modem's long-term stability, but 
I was satisfied that it would probably do the job if I wanted it to.

The modem took a loooooong time to make a connection on the first 
attempt: about half an hour. I put that down to the DSLAM on the other 
end of the line being surprised to see a different modem, but not 
before I went on a wild goose chase tweaking the configuration to see 
if anything would make it work. After the initial connection, it 
appeared capable of reconnecting much more quickly.


On Sat, 26 Jan 2019 13:13:02 +0000, Ralph Corderoy wrote:
> I realise their specialised devices, but I'm surprised that projects
> like OpenWRT don't settle on a collection of chips that they
> support very well, e.g. good quality Linux kernel drivers, and then
> see if they can crowdfund a device built around them.

If you are acquiring new hardware, it seems to me that the only 
product category where there really seems to be a lack of OpenWRT 
compatibility is modems. If you just want a router or a WiFi access 
point, there are plenty of options. I speculate that it would be 
difficult to compete with the existing choice in those categories, but 
the xDSL modem-router category would be more fertile ground for a 
crowd-funded product.

Patrick Wigmore


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