On Mon, Mar 28, 2022 at 08:30:08PM -0400, Ariel Popper wrote: > I don't knwo about you, but it's been well over a decade since I saw an > ethernet adapter that didn't auto-sense the cable. Also, I do not think > that gigabit (1000-Base-T) ever requires a crossover cable.
Alrighty then, back to my hole. -pk > > https://en.wikipedia.org/wiki/Auto-MDIX#Auto_MDI-X > > > On Mon Mar 28, 2022 at 8:16 PM EDT, patrick keshishian wrote: > > On Sun, Mar 27, 2022 at 02:09:35PM +0200, Stephan Mending wrote: > > > Hi Stuart, > > > > > > I am not using VLANs. This is a direct link from one machine to another. > > > No switch, no nothing in between. > > > What information can I supply that would be of interest to you? > > > > Umm... not even a hub in between? > > You are using a crossover cable, right? > > > > --patrick > > > > > > > > Best regards, > > > Stephan > > > On Sun, Mar 27, 2022 at 10:18:27AM +0100, Stuart Henderson wrote: > > > > "4 bytes missing" - are you using vlans? if so, can you try without and > > > > does the problem continue? > > > > > > > > > > > > On 2022/03/26 22:05, Stephan Mending wrote: > > > > > Hi *, > > > > > I am currently in the unlucky position having to use two > > > > > usb-to-ethernet-adapters on a router. > > > > > > > > > > Therefore, I bought a model from "ISY" called "USB-A to Gigabit LAN > > > > > Adapter IAD-1010-A". You probably don't care about > > > > > the name of it. > > > > > > > > > > axen0 at uhub0 port 12 configuration 1 interface 0 "ASIX > > > > > AX88179A" rev 2.10/2.00 addr 9 > > > > > axen0: AX88179, address f8:e4:3b:08:10:e2 > > > > > ukphy0 at axen0 phy 3: Generic IEEE 802.3u media interface, rev. > > > > > 1: OUI 0x000700, model 0x0006 > > > > > > > > > > The adapters are configured to act as interfaces for a local network. > > > > > > > > > > As soon as packets are received following messages are printed to > > > > > /var/log/messages: > > > > > > > > > > axen0: invalid buffer(pkt#1), continue > > > > > > > > > > These messages are issued with each and every packet that is received > > > > > on the interface. > > > > > > > > > > Taking a look at tcpdump: > > > > > > > > > > truncated-ip - 4 bytes missing!<normal dhcp request here> > > > > > > > > > > This message prefixes every packet that I sent towards the axen > > > > > usb-adapter (not just dhcp). > > > > > Same behavior for both of the adapters. > > > > > > > > > > Do you guys have any idea, what might be the issue? > > > > > > > > > > Best regards, > > > > > Stephan > > > > > > > > >