eth0 работает медленнее чем wlan0, дело не в кабеле.
ifconfig:
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.254 netmask 255.255.255.0 broadcast 192.168.0.254
inet6 fe80::81:4bff:feca:6fed prefixlen 64 scopeid 0x20<link>
ether 02:81:4b:ca:6f:ed txqueuelen 1000 (Ethernet)
RX packets 796 bytes 71376 (71.3 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2361 bytes 2996135 (2.9 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 40
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 95 bytes 7100 (7.1 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 95 bytes 7100 (7.1 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255
inet6 fe80::76a8:92fd:de04:6ea prefixlen 64 scopeid 0x20<link>
ether 12:81:4b:ca:6f:ed txqueuelen 1000 (Ethernet)
RX packets 437 bytes 61832 (61.8 KB)
RX errors 0 dropped 2 overruns 0 frame 0
TX packets 26 bytes 3446 (3.4 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0