I have a motherboard with two Ethernet ports, and I would like to get a connection on both ports. Eth0 already has a connection and can be used without problems. Eth1 however shows up as "unavailable" in nmcli. How can I make this Ethernet port usable as well?
Some related information:
ethtool eth1 Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Advertised link modes: 100baseT/Half 100baseT/Full Advertised pause frame use: Symmetric Receive-only Advertised auto-negotiation: Yes Link partner advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Link partner advertised pause frame us Symmetric Link partner advertised auto-negotiation: Yes Speed: 100Mb/s Duplex: Full Port: MII PHYAD: 1 Transceiver: internal Auto-negotiation: on Supports Wake-on: pumbag Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes ifconfig eth1 eth1 Link encap:Ethernet HWaddr F6:7B:7B:7B:E9:C2 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) ip addr eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000 link/ether f6:7b:7b:7b:e9:c2 brd ff:ff:ff:ff:ff:ff
nmcli dev status DEVICE TYPE STATE CONNECTION eth0 ethernet connected eth0 eth1 ethernet unavailable -- lo loopback unmanaged -- sit0 sit unmanaged --