@stephenw10
It looks like it isn't picked up:
ifconfig -vvvm ixl1
ixl1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=4e507bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG>
capabilities=4f507bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,NETMAP,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG>
ether 64:62:66:22:88:36
inet6 fe80::6662:66ff:fe22:8836%ixl1 prefixlen 64 scopeid 0x2
media: Ethernet autoselect
status: no carrier
supported media:
media autoselect
media 10Gbase-LR
media 10Gbase-SR
media 10Gbase-Twinax
media 1000baseLX
media 1000baseSX
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
whereas if I plug an old Cisco 10Gb LR SFP in, it does appear:
ifconfig -vvvm ixl0
ixl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=4e507bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG>
capabilities=4f507bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,NETMAP,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG>
ether 64:62:66:22:88:35
media: Ethernet autoselect
status: no carrier
supported media:
media autoselect
media 10Gbase-LR
media 10Gbase-SR
media 10Gbase-Twinax
media 1000baseLX
media 1000baseSX
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
plugged: SFP/SFP+/SFP28 10G Base-LR (LC)
vendor: CISCO-FINISAR PN: FTLX1474D3BCL-CS SN: FNS16471S8X DATE: 2012-11-24
module temperature: 26.02 C voltage: 3.32 Volts
lane 1: RX power: 0.00 mW (-25.38 dBm) TX bias: 30.30 mA
SFF8472 DUMP (0xA0 0..127 range):
03 04 07 20 00 00 00 00 00 00 00 06 67 00 0a 64
00 00 00 00 43 49 53 43 4f 2d 46 49 4e 49 53 41
52 20 20 20 00 00 90 65 46 54 4c 58 31 34 37 34
44 33 42 43 4c 2d 43 53 41 20 20 20 05 1e 00 e5
00 1a 00 00 46 4e 53 31 36 34 37 31 53 38 58 20
20 20 20 20 31 32 31 31 32 34 20 20 68 e0 03 3d
00 00 02 36 3b 18 85 c7 13 1b 6d de b8 1c a9 da
fa 21 3f 00 00 00 00 00 00 00 00 00 b7 14 a6 38
So I guess this suggests some incompatibility with the hardware or firmware or driver?
I was hoping that as the SFP was picked up in a Cisco switch with 1Gb SFP ports, it would work here.
It's true that in the list of supported media, 1000baseBX isn't listed, but I don't know if that should be a problem or not. The Intel X710 documentation says 1000baseBX is supported. (it's a bidirectional / single-core SMF SFP).