Checked the ethtool-5.16-1.el9 cannot dump complete infomation and using ethtool-5.16-2.el9_0 will dump the same info as using ethtool-6.2-1.el9. Set VERIFIED. Related output is shown below. [root@dell-per750-20 ~]# rpm -q ethtool ethtool-5.16-1.el9.x86_64 [root@dell-per750-20 ~]# ethtool -m ens7f1np1 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x02 Transceiver type : Extended: 100G Base-SR4 or 25GBase-SR Encoding : 0x06 (64B/66B) BR, Nominal : 26000MBd Rate identifier : 0x00 (unspecified) Length (SMF,km) : 0km Length (SMF) : 0m Length (50um) : 0m Length (62.5um) : 0m Length (Copper) : 10m Length (OM3) : 70m Laser wavelength : 850nm Vendor name : PRECISION Vendor OUI : 00:1b:21 Vendor PN : PRE-SFP25G-SR Vendor rev : JNPR Option values : 0x08 0x1a Option : RX_LOS implemented Option : TX_FAULT implemented Option : TX_DISABLE implemented Option : Retimer or CDR implemented BR margin, max : 0% BR margin, min : 0% Vendor SN : INIAU0300494 Date code : 180606 [root@dell-per750-20 ~]# rpm -q ethtool ethtool-5.16-2.el9_0.x86_64 [root@dell-per750-20 ~]# ethtool -m ens7f1np1 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x02 Transceiver type : Extended: 100G Base-SR4 or 25GBase-SR Encoding : 0x06 (64B/66B) BR, Nominal : 26000MBd Rate identifier : 0x00 (unspecified) Length (SMF,km) : 0km Length (SMF) : 0m Length (50um) : 0m Length (62.5um) : 0m Length (Copper) : 10m Length (OM3) : 70m Laser wavelength : 850nm Vendor name : PRECISION Vendor OUI : 00:1b:21 Vendor PN : PRE-SFP25G-SR Vendor rev : JNPR Option values : 0x08 0x1a Option : RX_LOS implemented Option : TX_FAULT implemented Option : TX_DISABLE implemented Option : Retimer or CDR implemented BR margin, max : 0% BR margin, min : 0% Vendor SN : INIAU0300494 Date code : 180606 Optical diagnostics support : Yes Laser bias current : 6.876 mA Laser output power : 0.8442 mW / -0.74 dBm Receiver signal average optical power : 0.8667 mW / -0.62 dBm Module temperature : 35.00 degrees C / 94.99 degrees F Module voltage : 3.3015 V Alarm/warning flags implemented : Yes Laser bias current high alarm : Off Laser bias current low alarm : Off Laser bias current high warning : Off Laser bias current low warning : Off Laser output power high alarm : Off Laser output power low alarm : Off Laser output power high warning : Off Laser output power low warning : Off Module temperature high alarm : Off Module temperature low alarm : Off Module temperature high warning : Off Module temperature low warning : Off Module voltage high alarm : Off Module voltage low alarm : Off Module voltage high warning : Off Module voltage low warning : Off Laser rx power high alarm : Off Laser rx power low alarm : Off Laser rx power high warning : Off Laser rx power low warning : Off Laser bias current high alarm threshold : 20.000 mA Laser bias current low alarm threshold : 0.500 mA Laser bias current high warning threshold : 18.000 mA Laser bias current low warning threshold : 1.000 mA Laser output power high alarm threshold : 2.7542 mW / 4.40 dBm Laser output power low alarm threshold : 0.0912 mW / -10.40 dBm Laser output power high warning threshold : 1.7378 mW / 2.40 dBm Laser output power low warning threshold : 0.1445 mW / -8.40 dBm Module temperature high alarm threshold : 80.00 degrees C / 176.00 degrees F Module temperature low alarm threshold : -10.00 degrees C / 14.00 degrees F Module temperature high warning threshold : 70.00 degrees C / 158.00 degrees F Module temperature low warning threshold : 0.00 degrees C / 32.00 degrees F Module voltage high alarm threshold : 3.6300 V Module voltage low alarm threshold : 2.9700 V Module voltage high warning threshold : 3.4650 V Module voltage low warning threshold : 3.1350 V Laser rx power high alarm threshold : 2.7542 mW / 4.40 dBm Laser rx power low alarm threshold : 0.0589 mW / -12.30 dBm Laser rx power high warning threshold : 1.7378 mW / 2.40 dBm Laser rx power low warning threshold : 0.0933 mW / -10.30 dBm [root@dell-per750-20 ~]# rpm -q ethtool ethtool-6.2-1.el9.x86_64 [root@dell-per750-20 ~]# ethtool -m ens7f1np1 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x02 Transceiver type : Extended: 100G Base-SR4 or 25GBase-SR Encoding : 0x06 (64B/66B) BR, Nominal : 26000MBd Rate identifier : 0x00 (unspecified) Length (SMF,km) : 0km Length (SMF) : 0m Length (50um) : 0m Length (62.5um) : 0m Length (Copper) : 10m Length (OM3) : 70m Laser wavelength : 850nm Vendor name : PRECISION Vendor OUI : 00:1b:21 Vendor PN : PRE-SFP25G-SR Vendor rev : JNPR Option values : 0x08 0x1a Option : RX_LOS implemented Option : TX_FAULT implemented Option : TX_DISABLE implemented Option : Retimer or CDR implemented BR margin, max : 0% BR margin, min : 0% Vendor SN : INIAU0300494 Date code : 180606 Optical diagnostics support : Yes Laser bias current : 6.876 mA Laser output power : 0.8415 mW / -0.75 dBm Receiver signal average optical power : 0.8667 mW / -0.62 dBm Module temperature : 34.79 degrees C / 94.61 degrees F Module voltage : 3.3003 V Alarm/warning flags implemented : Yes Laser bias current high alarm : Off Laser bias current low alarm : Off Laser bias current high warning : Off Laser bias current low warning : Off Laser output power high alarm : Off Laser output power low alarm : Off Laser output power high warning : Off Laser output power low warning : Off Module temperature high alarm : Off Module temperature low alarm : Off Module temperature high warning : Off Module temperature low warning : Off Module voltage high alarm : Off Module voltage low alarm : Off Module voltage high warning : Off Module voltage low warning : Off Laser rx power high alarm : Off Laser rx power low alarm : Off Laser rx power high warning : Off Laser rx power low warning : Off Laser bias current high alarm threshold : 20.000 mA Laser bias current low alarm threshold : 0.500 mA Laser bias current high warning threshold : 18.000 mA Laser bias current low warning threshold : 1.000 mA Laser output power high alarm threshold : 2.7542 mW / 4.40 dBm Laser output power low alarm threshold : 0.0912 mW / -10.40 dBm Laser output power high warning threshold : 1.7378 mW / 2.40 dBm Laser output power low warning threshold : 0.1445 mW / -8.40 dBm Module temperature high alarm threshold : 80.00 degrees C / 176.00 degrees F Module temperature low alarm threshold : -10.00 degrees C / 14.00 degrees F Module temperature high warning threshold : 70.00 degrees C / 158.00 degrees F Module temperature low warning threshold : 0.00 degrees C / 32.00 degrees F Module voltage high alarm threshold : 3.6300 V Module voltage low alarm threshold : 2.9700 V Module voltage high warning threshold : 3.4650 V Module voltage low warning threshold : 3.1350 V Laser rx power high alarm threshold : 2.7542 mW / 4.40 dBm Laser rx power low alarm threshold : 0.0589 mW / -12.30 dBm Laser rx power high warning threshold : 1.7378 mW / 2.40 dBm Laser rx power low warning threshold : 0.0933 mW / -10.30 dBm