igb4: <Intel(R) I210 (Fiber)> port 0x8000-0x801f mem 0xdc200000-0xdc2fffff,0xdc300000-0xdc303fff at device 0.0 on pci10igb4: EEPROM V3.16-0 eTrack 0x800004b4
igb4@pci0:10:0:0: class=0x020000 rev=0x03 hdr=0x00 vendor=0x8086 device=0x1536 subvendor=0xffff subdevice=0x0000 vendor = 'Intel Corporation' device = 'I210 Gigabit Fiber Network Connection' class = network subclass = ethernet
igb4: flags=28943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,PPROMISC> metric 0 mtu 1500 description: WAN_SFP (opt4) options=4800028<VLAN_MTU,JUMBO_MTU,HWSTATS,MEXTPG> ether 7c:5a:1c:7d:02:0d inet 10.10.1.2 netmask 0xffffff00 broadcast 10.10.1.255 inet6 fe80::7e5a:1cff:fe7d:20d%igb4 prefixlen 64 scopeid 0x5 media: Ethernet 1000baseSX <full-duplex> (autoselect) status: no carrier nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
Thats the Idea. I don't want make external fiber to copper sind use it directly as WAN in opnsense.