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USB tether (urndis(4)) not working (self.openbsd)

submitted 2 years ago* (last edited 2 years ago) by wgs to c/openbsd

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Hey everyone,

I decided after many year to try again to slap OpenBSD on my old Acer Aspire one. The Wifi adapter is not supported, but I was thinking about using my phone to get network connectivity out of it. Unfortunately I'm hitting a strange behavior: ifconfig urndis0 autoconf works as expected, and I get an IP over DHCP. Ping and DNS resolution work as expected, but when I try any TCP connection, the connectivity simply stops working, and I cannot even ping the gateway anymore. dmesg doesn't say anything about it.

Has anyone encountered this already ?

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[–] sqw 0 points 2 years ago (1 children)

I saw some behavior like this in networks where I created an L2 adjacency between the gateway and two downstream dhcp-configured LAN devices, when the gateway was apparently configured to demand that there only be a single one.

[–] wgs 1 points 2 years ago

In my case the setup is fairly straightforward though. There's my phone and the netbook. I suspect an issue with the driver, so I'll check it further.