I experience similar null MAC and silent interface on my Linkstar H68K. Keep me 
posted about your findings.

--Z--

2024. jan. 14. 3:07:27 Benjamin Raskin <[email protected]>:

> Hello, All;
> 
> I've been trying to configure a Realtek RTL8111H NIC on a Raspberry Pi
> CM4 board, however I have encountered several issues.
> 
> This is the CM4 breakout board I'm using, the NIC is attached to
> the Pi via PCIe bus.
> 
> Below is the `pcidump` output
> 
> 0:0:0: Broadcom BCM2711
> 1:0:0: Realtek 8168
> 
> The first issue is that the MAC address of the NIC is all zeros.
> 
> While it's no problem for me to set a MAC address for the device, upon
> attempting to ping the LAN router no packets exit the NIC. However other
> devices on the network can ping the NIC. In other words the NIC cannot
> send packets, but it can receive packets. tcpdump shows no packets
> either, so I'm left blind and can't seem to figure out how to diagnose
> the issue.
> 
> Below is the `ifconfig re0` output
> 
> re0: flags=808843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,AUTOCONF4> mtu 1500
>         lladdr 00:e0:4c:eb:9d:15
>         index 1 priority 0 llprio 3
>         groups: egress
>         media: Ethernet autoselect (1000baseT
> full-duplex,master,rxpause,txpause)
>         status: active
>         inet 192.168.0.42 netmask 0xffffff00 broadcast 192.168.0.255
> 
> Below is the `dmesg` output for the re(0) device
> 
> re0 at pci1 dev 0 function 0 "Realtek 8168" rev 0x15: RTL8168H/8111H
> (0x5400), intx, address 00:00:00:00:00:00
> rgephy0 at re0 phy 7: RTL8251 PHY, rev. 0
> 
> Has anyone else seen this issue? Is there something else I need to
> configure to make the NIC work?
> 
> Thank you in advance.
> 
> 
> Ben Raskin

Reply via email to