ROCK Dual Ethernet - Primary Port Not Exposed [RESOLVED]

You can’t use that IP for ROCK. That is for the sMS-200. Your set-up should look like this:

NUC (Intel) ethernet 1 port:
ip: 5.1.1.1
netmask: 255.255.255.0
gateway: nothing
dns: nothing

NUC (USB Ethernet adapter) ethernet 2 port:
DHCP (you can set-it up as static IP but use the IP within your subnet.)

sMS-200 IP:
ip: 5.1.1.2
netmask: 255.255.255.0
gateway: nothing
dns: nothing

ROCK will provide the IP of your LAN network that was set in DHCP. For example: 192.168.0.x or 10.10.10.x. This is the IP you will access from your Roon remote (browser). IP’s 5.1.1.1 and 5.1.1.2 cannot be accessed from your browser because they are now in a different subnet.

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I see. I guess what’s done is done. the question is can I change it back or do I need to reinstall OS?

What’s the ip of the computer you’re trying to connect from?
Theoretically you can just temporarily set it manually to the same subnet (i.e. Use 5.1.1.5 or something) so you can access the web gui to reconfigure?

(Also unplug the SMS from the network if it’s also set to use 5.1.1.2)

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If you don’t want to re-install ROCK, connect your PC directly to the NUC and change the IP of your PC to 5.1.1.1. Once you’re connected to the NUC in 5.1.1.2, change it to DHCP.

With that said, it is easier to re-install. :wink: It takes less than 2 minutes in my system.

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You guys are brilliant. Worked!

How did you set IP for sMS-200? And when you do, can you still access http://eunhasu/ ???

sMS-200 procedure shall be requested from SOtM. You will no longer be able to access http://eunhasu after that. To update the firmware in sMS-200, change the IP of your PC to the same subnet, e.g. 5.1.1.3 and connect the LAN cable of your PC directly to sMS-200.

I have a very similar setup as illustrated in the diagram using a laptop with a usb to ethernet adapter bridged and a SOTM sms-200 Ultra as the music server. My question is if I should be able to use the SOTM sms-200 ultra as a music server for a second stereo system that is connected to the network through the modem as depicted in the diagram.

Regards,

I was fiddling with the fixed ip settings and failed. I managed to get it working after several reboots, but now I can’t delete the fixed ip settings. How do I restore it to default?

switch to DHCP

Sure, I did switch to dhcp, but the IP address is exactly the same. Please compare the

pictures.

169.254.0.1 through 169.254.255.254 is the range of what happens when dhcp is not giving you an address. you sure the cable is plugged in?

Yes, plugged in and working. However, the fixed IP address is still there in the settings and I can’t delete it. I even reinstalled the OS and it’s still there. I just wish to delete it, that’s all. How do I do that?

Format the drive with the OS and then reinstall.

Ok, will give it a try.

One more question in regards to this dual ethernet setup. If access to internet is provided through the usb-ethernet adapter and an endpoint is directly connected to the lan input of the NUC running ROCK, is it possible for the endpoint to have internet access? In other words, can the internet connection be shared from the port connected to a router/switch to the other port which is directly connected to the endpoint?

This is very important for me because my endpoint is the dCS Network Bridge which supports AirPlay. I use Apple TV 4K as a media player where I send video through hdmi to my tv, and audio through AirPlay to the dCS NBR. In Windows 10 I was able to bridge connections and have direct connection between the PC (Roon core) and endpoint, and still have internet access on the endpoint part.

Since migrating to ROCK, if I wish to use AirPlay I need to disconnect the dCS NBR from ROCK and connect it to my switch. The frequent plugging/unplugging of cables can be pretty tiring if it happens several times a day.

No, this is not possible with ROCK.

While others may not agree here, I would argue the potential benefit you get from using the direct connection is mostly invalidated as well if you do this. That said, the direct connection isn’t buying you much (if anything at all).

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Got it, thanks.

Will you be able to solve this in the future?

There is nothing to solve. This is not something we want to change.

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Complete IP traffic isolation.

And it’s very good for SQ! :slight_smile: Danny could you add this instruction to ROCK web manual? I have experienced difficulties with connecting my endpoint directly via ethernet to the NUC with ROCK until I found the right information on the forum.

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