On Thu, Oct 23, 2025 at 09:34:42PM -0700, [email protected] wrote: > >Synopsis: Realtek USB 10/100/1G/2.5G LAN goes active but does not pass > >traffic > >Category: system kernel > >Environment: > System : OpenBSD 7.7 > Details : OpenBSD 7.7 (GENERIC.MP) #625: Sun Apr 13 08:30:20 MDT > 2025 > > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > Architecture: OpenBSD.amd64 > Machine : amd64 > >Description: > Onboard NIC works, but is slower than expected. This usb nic (dongle) > lights up, and goes active, but does not acquire an ip address and does not > pass traffic. > >How-To-Repeat: > 1. turn on device > 2. plug network into internal nic > 3. verify nic device > > em0: flags=808843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,AUTOCONF4> mtu > 1500 > lladdr b8:ae:ed:e9:74:d2 > index 1 priority 0 llprio 3 > groups: egress > media: Ethernet autoselect (1000baseT > full-duplex,rxpause,txpause) > status: active > inet 192.168.1.136 netmask 0xffffff00 broadcast 192.168.1.25 > > 4. unplug network and plug network into device using the realtek usb adapter > 5. verify device > > ure0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500 > lladdr 8c:ae:4c:b9:3c:45 > index 6 priority 0 llprio 3 > media: Ethernet autoselect (10baseT full-duplex) > status: active > > 6. note that there is no ip address acquired > 7. plug network back into onboard nic to send this email > > >Fix: > > Dunno.
Try: ifconfig ure0 inet autoconf
