Hello, I'm using USB C to Ethernet adapter and the download speed is below 1Mbps while upload speed as expected.
I have 600Mbps down and 500Mbps up ISP plan but since the adapter used USB2.0 it should cap both down and up at ~90Mbps, at least I have tested this with a Galaxy Tab.
Image: Armbian_community_24.8.0-trunk.399_Orangepizero2w_bookworm_current_6.6.36_minimal.img.xz
Power supply: 5V2A
SD: Sandisk Ultra 64GB
Adapter (100Mbps):
Speedtest:
ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: enxec9a0c1e8e6f: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 1000
link/ether ec:9a:0c:1e:8e:6f brd ff:ff:ff:ff:ff:ff
inet 10.7.4.11/24 metric 100 brd 10.7.4.255 scope global dynamic enxec9a0c1e8e6f
valid_lft 86390sec preferred_lft 86390sec
3: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
link/ether fe:ae:6b:87:53:f1 brd ff:ff:ff:ff:ff:ff
4: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 1000
link/ether 48:f5:61:9d:46:2c brd ff:ff:ff:ff:ff:ff
inet 169.254.247.42/16 metric 2048 brd 169.254.255.255 scope link wlan0
valid_lft forever preferred_lft forever