Re: Hardware Soundcard - MOTU 624 AVB Working with Gnu/Linux - Debian 8.7

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There is confusion for sure.

if I link my two Motu ultralite AVB cards together by using the two AVB ethernet sockets and a Cat5 or Cat6 cable. I have used all ethernet connectors available and the AVB devices can talk to each other but no other networking is available. If I point a browser to any of the ip's of those boxes i will not get an answer since there is no possible route to those cards that only have a link between them. The cards have no built in wifi or extra ethernet jack.. How could I possibly connect to them except by usb and Class Compliant Audio connection which does not give me the extra IP over USB that the windows/osx driver provides...

I have never said anything about AVB over USB but only mentioned the missing linux link which is the possibility to access the http web gui trough the USB (or for cards with Thunderbolt) driver provided ip-link (for control only)


As I tried to explain. Linux users must have a AVB compliant switch to get a network link to be able to manage Linked AVB devices OR have windows/osx boxes connected via USB/Thunderbolt to one of the AVB devices.

Trust me, I am not confused but only stating the obvious that linking to cards with just a cable will create an isolated AVB cluster that will not be manageable from linux computers until someone figures out how to write a driver to get the IP-over USB passthru to work.

/Anders

2017-07-22 22:19 GMT+02:00 Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx>:
there also seems to be some confusion ... there is no possibility to route AVB via IP-over-USB on any platform, AFAIK.

On Sat, Jul 22, 2017 at 4:18 PM, Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> wrote:
What IP address do both units show from the main menu when you connect them together? What happens when you point a browser at either of those addresses?

On Sat, Jul 22, 2017 at 3:42 PM, Anders Hellquist <lau@xxxxxxxxxxxxx> wrote:
And that is where the problem starts.. I have two Ultralite AVBs and if I link them together. I have no longer access to the web GUI unless I get myself an AVB compliant switch for an extra 300usd. If I were running Windows or OSX. I could just connect to my linked AVB devices thru the IP over USB link the driver provides and set up streams between them and do whatever I wanted but that is not possible when using Linux which I am. I could keep a dedicated windows or OSX box connected to the other AVB device just to be able to set things up but how convenient is that?

Until I can set up AVB routes and configure stuff on my cards without the extra cost of an AVB switch, this is for from perfect IMHO.

/Anders

On Jul 22, 2017 19:02, "Paul Davis" <paul@xxxxxxxxxxxxxxxxxxxxx> wrote:
The web GUI works without issues.

I specifically bought the AVB because I trusted IP-over-RJ45 (the Ultralite AVB has its own RJ45) more than IP-iver-USB, which would be true of (say) the Ultralite MK4.

My impression was that either way, each device must end up with its own IP address, and you just point the browser at the one you want to talk to. I don't know much about how IP-over-USB works.

Note that if you have two devices, you're probably better off linking them over AVB. I have the vague impression that they will show up as a single device in the web GUI (but I'm not really clear on that).


On Fri, Jul 21, 2017 at 5:25 PM, Anders Hellquist <lau@xxxxxxxxxxxxx> wrote:
Do you get the local web GUI to work?

If using Windows or Mac, you get local access to the web GUI trough USB or thunderbolt.

I have two devices and no switch and have no way to use the web GUI if I connect both of them via Ethernet since my Linux laptop don't get the "local host" type of link through USB.

I think the MOTU line is really nice but this is a sort of a problem in Linux for now.. or do I miss something?

fre 21 juli 2017 kl. 01:57 skrev David <dplist@xxxxxxx>:
On Thu, 20 Jul 2017 10:56:59 -0400
Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> wrote:

> I predict that within 4-5 years, every external audio interface will
> use MOTU's web configuration model. It is *so* great, not necessarily
> in the sense of being the best possible UI for this, but because IT
> JUST WORKS EVERYWHERE.

Hallelujah !

-- David
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