Recently purchased an ASRock Rack B650D4U. This unfamiliar phantom NIC device was present. I've since read in urndis() that it is an ethernet adapter for Android tethering. The page directed me further to ifconfig(). I've not used a USB-C nor tethered a phone but if this functions as a regular NIC I should like to use it with as script forked from "pfatt" to allow my residential gateway to authenticate while bypassing their device's limited state table. My understanding was an adapter is necessary for this ue0 device to appear but there it is. I don't have an adapter yet. Maybe during setup the old APC UPS cable with USB Type-A on one end and RJ45 on the other was plugged into a switch and that brought up the device, is that possible? It seems configurable now and I put it into promiscuous mode while poking at it but haven't dared to plug the APC cable directly between my target devices. So tempting. What could go wrong?
Slowly answering my own questions. Google isn't what it used to be. I see the pinouts differ so I doubt my theory about plugging in the APC serial cable is valid. I could grab my crimper. I don't yet understand what the busy bits of these adapters are supposed to be doing.
Edited since I don't want to keep bumping my own thread. If I understand correctly these hardware adapters encapsulate the usb signal into ethernet frames. That seems like something netgraph could do but I'm no netgraph expert and these things are too cheap to be worrying over it further I guess.
Since you mention it, it could sure be the IPMI ethernet port. I didn't expect FreeBSD to see that for some reason. They have a provision to allow IPMI access also over one of the other NIC ports. I think that I've disabled that. Documentation isn't what I recall from ages ago nor what I'd wish for. I must wait until no one else is home to play with it again.
I think that this is for the case where normal network interface(s) does not work for some reason, so you can provide network to the host using the BMC network interface by means of that virtual USB NIC.
Thanks. Yes, it is supposed to deliver a link local connection from I think an internal header or perhaps the front panel usb-c. I've yet to discover which. I'm now trying to enumerate with a specific number using a usb_quirk in /boot/loader.conf. This and the new dongle swap enumeration between ue0 and ue1 seemingly when the dongle fails to achieve a link.
I have a TP-Link USB to Ethernet Adapter (UE306) that shows up as "ue0". Chipset is ASIX AX88179, which would normally show as axge0. I guess "ue" stands for USB Ethernet?
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