March 30, 20233 yr $ ip link 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000 link/ether 68:27:19:ad:02:09 brd ff:ff:ff:ff:ff:ff $ sudo lshw -C network *-network description: Ethernet interface physical id: 7 logical name: eth0 serial: 68:27:19:ad:02:09 size: 100Mbit/s capacity: 1Gbit/s capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=st_gmac driverversion=Jan_2016 duplex=full ip=192.168.1.4 link=yes multicast=yes port=twisted pair speed=100Mbit/s My nanopi-r4s should have two network interfaces, a WAN interface and a secondary LAN interface. But after I rebooted the system, the secondary network interface was not showing. Debug info: https://paste.armbian.com/ifiyejanav SEE ALSO Edited March 30, 20233 yr by Junkman
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