Note: This KB will help you in with data collection commands if you get issue related to EVO optics or channalized optics.1. The issue was seen on EVO box: ptx10003-160c 2. Below is the line card where the issue is seen for channelized port et-0/0/4:3. FPC 0 REV 30 750-077005 BCDD0895 FPC-JNP10003-MEZZ-C PIC 0 BUILTIN BUILTIN 4x400G/10x200G/20x100G Xcvr 0 REV 01 740-079871 1W1CYAA7160HR QSFP28-DD-2X100GBASE-LR4 Xcvr 1 REV 01 740-079871 1W1CYAA7160GZ QSFP28-DD-2X100GBASE-LR4 Xcvr 2 REV 02 740-057315 1KCPB73105J QSFP+-4X10G-LR Xcvr 3 REV 02 740-057315 1KCPB73103K QSFP+-4X10G-LR Xcvr 4 REV 02 740-057315 1KCPB73102N QSFP+-4X10G-LR3. After taking diagnostic output for other channelized port I see same for all 4 channnelized port of et-0/0/4:0,1,2,3 Router> show interfaces diagnostics optics et-0/0/4:0 Physical interface: et-0/0/4:0 Module temperature : 22 degrees C / 71 degrees F Module voltage : 3.313 V 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 Module temperature high alarm threshold : 80 degrees C / 176 degrees F Module temperature low alarm threshold : -10 degrees C / 14 degrees F Module temperature high warning threshold : 75 degrees C / 167 degrees F Module temperature low warning threshold : -5 degrees C / 23 degrees F Module voltage high alarm threshold : 3.7 V Module voltage low alarm threshold : 2.904 V Module voltage high warning threshold : 3.595 V Module voltage low warning threshold : 3.002 V Laser bias current high alarm threshold : 75 mA Laser bias current low alarm threshold : 5 mA Laser bias current high warning threshold : 65 mA Laser bias current low warning threshold : 15 mA Laser output power high alarm threshold : 2.511 mW / 3.99 dBm Laser output power low alarm threshold : 0.19 mW / -7.20 dBm Laser output power high warning threshold : 1.995 mW / 2.99 dBm Laser output power low warning threshold : 0.239 mW / -6.20 dBm Laser rx power high alarm threshold : 2.818 mW / 4.50 dBm Laser rx power low alarm threshold : 0.022 mW / -16.40 dBm Laser rx power high warning threshold : 1.778 mW / 2.50 dBm Laser rx power low warning threshold : 0.036 mW / -14.40 dBm Laser temperature high alarm threshold : 80 degrees C / 176 degrees F Laser temperature low alarm threshold : -10 degrees C / 14 degrees F Laser temperature high warning threshold : 75 degrees C / 167 degrees F Laser temperature low warning threshold : -5 degrees C / 23 degrees F Lane 0 Laser bias current : 25.194 mA Laser output power : 0.547 mW / -2.61 dBm Laser temperature : 22 degrees C / 71 degrees F Laser receiver power : 0 mW / -40.00 dBm ------------->>>> Problem 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 receiver power high alarm : Off Laser receiver power low alarm : On Laser receiver power high warning : Off Laser receiver power low warning : On Laser output power high alarm : Off Laser output power low alarm : Off Laser output power high warning : Off Laser output power low warning : Off Tx loss of signal functionality alarm : Off Rx loss of signal alarm : Off Tx laser disabled alarm : Off Router> show interfaces diagnostics optics et-0/0/4:1 Physical interface: et-0/0/4:1 Module temperature : 22 degrees C / 71 degrees F Module voltage : 3.314 V 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 Module temperature high alarm threshold : 80 degrees C / 176 degrees F Module temperature low alarm threshold : -10 degrees C / 14 degrees F Module temperature high warning threshold : 75 degrees C / 167 degrees F Module temperature low warning threshold : -5 degrees C / 23 degrees F Module voltage high alarm threshold : 3.7 V Module voltage low alarm threshold : 2.904 V Module voltage high warning threshold : 3.595 V Module voltage low warning threshold : 3.002 V Laser bias current high alarm threshold : 75 mA Laser bias current low alarm threshold : 5 mA Laser bias current high warning threshold : 65 mA Laser bias current low warning threshold : 15 mA Laser output power high alarm threshold : 2.511 mW / 3.99 dBm Laser output power low alarm threshold : 0.19 mW / -7.20 dBm Laser output power high warning threshold : 1.995 mW / 2.99 dBm Laser output power low warning threshold : 0.239 mW / -6.20 dBm Laser rx power high alarm threshold : 2.818 mW / 4.50 dBm Laser rx power low alarm threshold : 0.022 mW / -16.40 dBm Laser rx power high warning threshold : 1.778 mW / 2.50 dBm Laser rx power low warning threshold : 0.036 mW / -14.40 dBm Laser temperature high alarm threshold : 80 degrees C / 176 degrees F Laser temperature low alarm threshold : -10 degrees C / 14 degrees F Laser temperature high warning threshold : 75 degrees C / 167 degrees F Laser temperature low warning threshold : -5 degrees C / 23 degrees F Lane 1 Laser bias current : 28.27 mA Laser output power : 0.526 mW / -2.79 dBm Laser temperature : 22 degrees C / 71 degrees F Laser receiver power : 0 mW / -40.00 dBm ------------->>>> Problem 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 receiver power high alarm : Off Laser receiver power low alarm : On Laser receiver power high warning : Off Laser receiver power low warning : On Laser output power high alarm : Off Laser output power low alarm : Off Laser output power high warning : Off Laser output power low warning : Off Tx loss of signal functionality alarm : Off Rx loss of signal alarm : Off Tx laser disabled alarm : Off Router> show interfaces diagnostics optics et-0/0/4:2 Physical interface: et-0/0/4:2 Module temperature : 22 degrees C / 71 degrees F Module voltage : 3.313 V 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 Module temperature high alarm threshold : 80 degrees C / 176 degrees F Module temperature low alarm threshold : -10 degrees C / 14 degrees F Module temperature high warning threshold : 75 degrees C / 167 degrees F Module temperature low warning threshold : -5 degrees C / 23 degrees F Module voltage high alarm threshold : 3.7 V Module voltage low alarm threshold : 2.904 V Module voltage high warning threshold : 3.595 V Module voltage low warning threshold : 3.002 V Laser bias current high alarm threshold : 75 mA Laser bias current low alarm threshold : 5 mA Laser bias current high warning threshold : 65 mA Laser bias current low warning threshold : 15 mA Laser output power high alarm threshold : 2.511 mW / 3.99 dBm Laser output power low alarm threshold : 0.19 mW / -7.20 dBm Laser output power high warning threshold : 1.995 mW / 2.99 dBm Laser output power low warning threshold : 0.239 mW / -6.20 dBm Laser rx power high alarm threshold : 2.818 mW / 4.50 dBm Laser rx power low alarm threshold : 0.022 mW / -16.40 dBm Laser rx power high warning threshold : 1.778 mW / 2.50 dBm Laser rx power low warning threshold : 0.036 mW / -14.40 dBm Laser temperature high alarm threshold : 80 degrees C / 176 degrees F Laser temperature low alarm threshold : -10 degrees C / 14 degrees F Laser temperature high warning threshold : 75 degrees C / 167 degrees F Laser temperature low warning threshold : -5 degrees C / 23 degrees F Lane 2 Laser bias current : 26.42 mA Laser output power : 0.593 mW / -2.26 dBm Laser temperature : 22 degrees C / 71 degrees F Laser receiver power : 0 mW / -40.00 dBm ------------->>>> Problem 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 receiver power high alarm : Off Laser receiver power low alarm : On Laser receiver power high warning : Off Laser receiver power low warning : On Laser output power high alarm : Off Laser output power low alarm : Off Laser output power high warning : Off Laser output power low warning : Off Tx loss of signal functionality alarm : Off Rx loss of signal alarm : Off Tx laser disabled alarm : Off Router> show interfaces diagnostics optics et-0/0/4:3 Physical interface: et-0/0/4:3 Module temperature : 22 degrees C / 71 degrees F Module voltage : 3.313 V 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 Module temperature high alarm threshold : 80 degrees C / 176 degrees F Module temperature low alarm threshold : -10 degrees C / 14 degrees F Module temperature high warning threshold : 75 degrees C / 167 degrees F Module temperature low warning threshold : -5 degrees C / 23 degrees F Module voltage high alarm threshold : 3.7 V Module voltage low alarm threshold : 2.904 V Module voltage high warning threshold : 3.595 V Module voltage low warning threshold : 3.002 V Laser bias current high alarm threshold : 75 mA Laser bias current low alarm threshold : 5 mA Laser bias current high warning threshold : 65 mA Laser bias current low warning threshold : 15 mA Laser output power high alarm threshold : 2.511 mW / 3.99 dBm Laser output power low alarm threshold : 0.19 mW / -7.20 dBm Laser output power high warning threshold : 1.995 mW / 2.99 dBm Laser output power low warning threshold : 0.239 mW / -6.20 dBm Laser rx power high alarm threshold : 2.818 mW / 4.50 dBm Laser rx power low alarm threshold : 0.022 mW / -16.40 dBm Laser rx power high warning threshold : 1.778 mW / 2.50 dBm Laser rx power low warning threshold : 0.036 mW / -14.40 dBm Laser temperature high alarm threshold : 80 degrees C / 176 degrees F Laser temperature low alarm threshold : -10 degrees C / 14 degrees F Laser temperature high warning threshold : 75 degrees C / 167 degrees F Laser temperature low warning threshold : -5 degrees C / 23 degrees F Lane 3 Laser bias current : 25.483 mA Laser output power : 0.548 mW / -2.60 dBm Laser temperature : 22 degrees C / 71 degrees F Laser receiver power : 0 mW / -40.00 dBm ------------->>>> Problem 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 receiver power high alarm : Off Laser receiver power low alarm : On Laser receiver power high warning : Off Laser receiver power low warning : On Laser output power high alarm : Off Laser output power low alarm : Off Laser output power high warning : Off Laser output power low warning : Off Tx loss of signal functionality alarm : Off Rx loss of signal alarm : Off Tx laser disabled alarm : Off 3. Please collect below Junos EVO RE CLI and FPC Shell vty command output from problematic and non-problematic interface for comparison. This will be our initial data collection for analysis. Junos EVO RE CLI commands -------------------------------------------------------------------------- Example for fpc 0 pic 0 port 4 show version node all show chassis hardware detail no-forwarding show chassis pic fpc-slot 0 pic-slot 0 show interfaces diagnostics optics et-0/0/4:0 show interfaces diagnostics optics et-0/0/4:1 show interfaces diagnostics optics et-0/0/4:2 show interfaces diagnostics optics et-0/0/4:3 show system alarms no-forwarding -------------------------------------------------------------------------- Junos EVO FPC shell vty commands -------------------------------------------------------------------------- Example for fpc 0 pic 0 port 4 vty fpc0 show picd optics fpc_slot 0 pic_slot 0 port 4 cmd list show picd optics fpc_slot 0 pic_slot 0 port 4 cmd info show picd optics fpc_slot 0 pic_slot 0 port 4 cmd identifier show picd optics fpc_slot 0 pic_slot 0 port 4 cmd alarm show picd optics fpc_slot 0 pic_slot 0 port 4 cmd diagnostics show picd xcvr fpc 0 pic 0 port 4 cmd identifier show picd xcvr fpc 0 pic 0 port 4 cmd info show picd optics fpc_slot 0 pic_slot 0 port 4 cmd error show picd channel summary show picd channel fpc 0 pic 0 port 4 chan 0 show picd channel fpc 0 pic 0 port 4 chan 1 show picd channel fpc 0 pic 0 port 4 chan 2 show picd channel fpc 0 pic 0 port 4 chan 3 --------------------------------------------------------------------------4. Once the above data is collected, you can perform the below debug from a software perspective and share it with engineering or leads for investigation.5. Please collect below output from SW perspective to debug the issue. Please run this command from fpc shell, test picd optics fpc_slot <> pic_slot <> port <> cmd xcvr_periodic_stop :- stop periodic to access the register. Please run following command sequence 4-5 times, show picd optics fpc_slot <> pic_slot <> port <> cmd info test picd optics cmd eeprom_rescan fpc_slot <> pic_slot <> port <> :- wait for 10 sec test picd optics read fpc_slot <> pic_slot <> port <> address 0x22 test picd optics read fpc_slot <> pic_slot <> port <> address 0x23 test picd optics read fpc_slot <> pic_slot <> port <> address 0x24 test picd optics read fpc_slot <> pic_slot <> port <> address 0x25 test picd optics read fpc_slot <> pic_slot <> port <> address 0x26 test picd optics read fpc_slot <> pic_slot <> port <> address 0x27 test picd optics read fpc_slot <> pic_slot <> port <> address 0x28 test picd optics read fpc_slot <> pic_slot <> port <> address 0x29 test picd optics read fpc_slot <> pic_slot <> port <> address 0x7f :- if value comes other then 0x0 then please set the value as 0x0 with below command else avoid next command. test picd optics write fpc_slot <> pic_slot <> port <> address 0x7f value 0x0 test picd optics read fpc_slot <> pic_slot <> port <> address 0x7f test picd optics read fpc_slot <> pic_slot <> port <> address 0xcd test picd optics read fpc_slot <> pic_slot <> port <> address 0xce once you collected all the output 4-5 time then start the periodic with below command, test picd optics fpc_slot <> pic_slot <> port <> cmd xcvr_periodic_startOnce all the data is collected, please share them with leads, escalation, or engineering