root@j784s4-evm:~# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.238.203  netmask 255.255.255.0  broadcast 192.168.238.255
        ether c0:d6:0a:de:2f:47  txqueuelen 1000  (Ethernet)
        RX packets 154607  bytes 209194684 (199.5 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 91570  bytes 14501376 (13.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

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 10  bytes 1594 (1.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 10  bytes 1594 (1.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

root@j784s4-evm:~# ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.238.203  netmask 255.255.255.0  broadcast 192.168.238.255
        ether c0:d6:0a:de:2f:47  txqueuelen 1000  (Ethernet)
        RX packets 154616  bytes 209196081 (199.5 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 91576  bytes 14502268 (13.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth1: flags=4098<BROADCAST,MULTICAST>  mtu 1500
        ether d6:3d:be:d2:7f:35  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

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 10  bytes 1594 (1.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 10  bytes 1594 (1.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

main_mcan1: flags=128<NOARP>  mtu 16
        unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 10  (UNSPEC)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 95  

main_mcan4: flags=128<NOARP>  mtu 16
        unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 10  (UNSPEC)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 96  

main_mcan5: flags=128<NOARP>  mtu 16
        unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 10  (UNSPEC)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 97  

main_mcan16: flags=128<NOARP>  mtu 16
        unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 10  (UNSPEC)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 98  

mcu_mcan0: flags=128<NOARP>  mtu 16
        unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 10  (UNSPEC)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 94  

root@j784s4-evm:~# ^C
root@j784s4-evm:~# ethtool eth1
Settings for eth1:
        Supported ports: [ TP    AUI     MII     FIBRE   BNC     Backplane ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
                                1000baseKX/Full
                                1000baseX/Full
                                100baseT1/Full
                                1000baseT1/Full
                                100baseFX/Half 100baseFX/Full
                                10baseT1L/Full
                                10baseT1S/Full
                                10baseT1S/Half 10baseT1S_P2MP/Half
        Supported pause frame use: Symmetric
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes:  Not reported
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        Advertised FEC modes: Not reported
        Speed: Unknown!
        Duplex: Half
        Auto-negotiation: off
        Port: MII
        PHYAD: 0
        Transceiver: internal
        Supports Wake-on: d
        Wake-on: d
        Current message level: 0x000020f7 (8439)
                               drv probe link ifdown ifup rx_err tx_err hw
        Link detected: no
root@j784s4-evm:~# ifconfig eth1 up
[   60.936997] am65-cpsw-nuss c200000.ethernet eth1: PHY [c200f00.mdio:13] driver [NXP C45 TJA1120] (irq=POLL)
[   60.946745] am65-cpsw-nuss c200000.ethernet eth1: configuring for phy/rgmii-id link mode
root@j784s4-evm:~# [   60.964819] am65-cpsw-nuss c200000.ethernet eth1: Link is Up - 1Gbps/Full - flow control off

root@j784s4-evm:~# 
root@j784s4-evm:~# ethtool eth1 
Settings for eth1:
        Supported ports: [ TP    MII ]
        Supported link modes:   1000baseT1/Full
        Supported pause frame use: Symmetric
        Supports auto-negotiation: No
        Supported FEC modes: Not reported
        Advertised link modes:  1000baseT1/Full
        Advertised pause frame use: Symmetric
        Advertised auto-negotiation: No
        Advertised FEC modes: Not reported
        Speed: 1000Mb/s
        Duplex: Full
        Auto-negotiation: off
        master-slave cfg: forced slave
        master-slave status: slave
        Port: Twisted Pair
        PHYAD: 19
        Transceiver: external
        MDI-X: Unknown
        Supports Wake-on: d
        Wake-on: d
        Current message level: 0x000020f7 (8439)
                               drv probe link ifdown ifup rx_err tx_err hw
        Link detected: yes
        SQI: 7/7
root@j784s4-evm:~#