I was looking to go optical, so I picked up a few cables/modules, and I’m having similar results to others here. I figured I’d list the hardware I’ve tried.
Peer 1: CN9130 Pro
Peer 2: Trendnet TEG-7124ws
uname -a
Linux router 6.8.1-vanilla #5 SMP PREEMPT Sat Mar 30 08:33:53 EDT 2024 aarch64 GNU/Linux
| model | type | link? | flaps? |
|---|---|---|---|
| Trendnet TEG-10GBSR | 10-gbase sr | yes | yes |
when flapping:
[538955.938213] mvpp2 f2000000.ethernet sfp0: Link is Up - 10Gbps/Full - flow control rx
[538956.027671] mvpp2 f2000000.ethernet sfp0: bad rx status 12048510 (crc error), size=742
[538956.838784] mvpp2 f2000000.ethernet sfp0: Link is Down
[538956.844078] mvpp2 f2000000.ethernet sfp0: Link is Up - 10Gbps/Full - flow control rx
[538957.145150] mvpp2 f2000000.ethernet sfp0: bad rx status 12048510 (crc error), size=592
[538957.676684] mvpp2 f2000000.ethernet sfp0: Link is Down
[538957.682035] mvpp2 f2000000.ethernet sfp0: Link is Up - 10Gbps/Full - flow control rx
[538958.379405] mvpp2 f2000000.ethernet sfp0: bad rx status 12008510 (crc error), size=68
[538958.502233] mvpp2 f2000000.ethernet sfp0: bad rx status 12048510 (crc error), size=592
[538958.768211] mvpp2 f2000000.ethernet sfp0: bad rx status 12408510 (crc error), size=68
[538959.162732] mvpp2 f2000000.ethernet sfp0: Link is Down
[538959.168103] mvpp2 f2000000.ethernet sfp0: Link is Up - 10Gbps/Full - flow control rx
[538959.976552] mvpp2 f2000000.ethernet sfp0: Link is Down
[538959.981850] mvpp2 f2000000.ethernet sfp0: Link is Up - 10Gbps/Full - flow control rx
[538961.283664] mvpp2 f2000000.ethernet sfp0: bad rx status 12048510 (crc error), size=786
ethtool && ethtool -m
Settings for sfp0:
Supported ports: [ FIBRE ]
Supported link modes: 10000baseSR/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10000baseSR/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Speed: 10000Mb/s
Duplex: Full
Auto-negotiation: on
Port: FIBRE
PHYAD: 0
Transceiver: internal
Link detected: yes
Identifier : 0x03 (SFP)
Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID)
Connector : 0x07 (LC)
Transceiver codes : 0x10 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Transceiver type : 10G Ethernet: 10G Base-SR
Encoding : 0x00 (unspecified)
BR, Nominal : 10300MBd
Rate identifier : 0x00 (unspecified)
Length (SMF,km) : 0km
Length (SMF) : 0m
Length (50um) : 80m
Length (62.5um) : 30m
Length (Copper) : 0m
Length (OM3) : 300m
Laser wavelength : 850nm
Vendor name : TRENDnet
Vendor OUI : 00:00:00
Vendor PN : TEG-10GBSR
Vendor rev : V3.0
Option values : 0x00 0x3a
Option : RX_LOS implemented
Option : TX_FAULT implemented
Option : TX_DISABLE implemented
Option : RATE_SELECT implemented
BR margin, max : 0%
BR margin, min : 0%
Vendor SN : RA3ISR3000023
Date code : 230918
And, I’ve tried the following DAC cable:
| model | type | link? | flaps? |
|---|---|---|---|
| HiFiber CAB-10SFP | 10-gbase cu | no | n/a |
Also, the port works fine with 1g rj45 sfp modules (tp link and a no-name brand).