Juniper: Ren Als Scan __top__
The scan is non-disruptive only if run in maintenance mode (with redundant paths). It is typically executed via CLI or automated script.
set interfaces et-1/0/0 optics als-scan set interfaces et-1/0/0 optics als-scan lane 0-7 set interfaces et-1/0/0 optics als-scan interval 10 # seconds between lanes set interfaces et-1/0/0 optics als-scan auto-restart yes juniper ren als scan
The specifics of performing a "scan" on a Juniper device can vary widely. For detailed instructions, consult your device's documentation and Junos OS version. If you're looking for information on a specific type of scan or device, provide more details for a more tailored guide. The scan is non-disruptive only if run in
commit run request interfaces optics als-scan start et-1/0/0 For detailed instructions
| Failure | ALS Scan Action | Operator Remedy | |---------|----------------|------------------| | Laser fails to shut down | Abort scan; declare major alarm | Replace optic or line card | | No restart probe reflection | Mark lane “fiber absent” | Check physical fiber connection | | Restart probe triggers false shutdown on adjacent lane | Raise cross-talk alarm | Run lane isolation test; may indicate ASIC defect | | Link does not restore after restart | Restart scan once; if fails, keep laser off | Manual power-cycle of remote transceiver |
# Enter configuration mode configure