Hi all!
I want to use GPS antenna as PTP and frequency source.
RP/0/RP0/CPU0:ios#sh gnss-receiver
Mon Jul 29 08:43:04.760 UTC
GNSS-receiver 0 location 0/RP0/CPU0
Status: Available, Up
Time: 2024:07:29 08:55:01 (UTC offset: 18s)
Firmware version: 1.5
Lock Status: Phase Locked, Receiver Mode: Reserved
Survey Progress: 21, Holdover Duration: 0
Major Alarms:
Not used
Minor Alarms:
Not used
Survey in-progress
No stored position
Anti-jam: Disabled, Cable-delay compensation: 0
1PPS polarity: Positive
PDOP: 1.140, HDOP: 0.850, VDOP: 0.760, TDOP: 1.000
Constellation: Auto, Satellite Count: 10
Satellite Thresholds:
SNR - 0 dB-Hz, Elevation - 0 degrees, PDOP - 0, TRAIM - 0 us
Satellite Info:
CHN: Channel, AQUN: Aquisition, EPH: Ephemeris
PRN CHN AQUN EPH SV Signal
No. No. Flag Flag Type Strength Elevat'n Azimuth
--- --- ---- ---- ----------- -------- -------- --------
23 0 On On GPS 35.000 18.000 59.000
10 1 On On GPS 51.000 55.000 54.000
32 2 On On GPS 34.000 53.000 119.000
8 3 On On GPS 28.000 62.000 237.000
21 4 On On GPS 49.000 50.000 301.000
2 5 On On GPS 45.000 32.000 298.000
Ie GPS interface is up. But it's down in clock interfaces. And router don't takes frequency synchronization from it.
RP/0/RP0/CPU0:ios#show frequency synchronization clock-interfaces
Mon Jul 29 08:43:54.768 UTC
GNSS Receiver 0 (Down: GNSS-SOURCE-NOT-AVAILABLE)
Assigned as input for selection
Wait-to-restore time 0 minutes
SSM supported and enabled
Input:
Down
Last received QL: None
Configured QL: Opt-I/PRC
Effective QL: Failed, Priority: 1, Time-of-day Priority 100
Supports frequency and time-of-day
Output is disabled
Next selection points: T0-SEL-B T4-SEL 1588-SEL CHASSIS-TOD-SEL
Config:
RP/0/RP0/CPU0:ios#sh run gnss-receiver 0 location 0/rP0/CPU0
Mon Jul 29 08:45:08.232 UTC
gnss-receiver 0 location 0/RP0/CPU0
constellation auto
anti-jam disable
frequency synchronization
selection input
priority 1
wait-to-restore 0
quality receive exact itu-t option 1 PRC
RP/0/RP0/CPU0:ios#sh run frequency synchronization
Mon Jul 29 08:46:14.228 UTC
frequency synchronization
quality itu-t option 1
clock-interface timing-mode system
log selection changes
Who can help resolving this issue? Thanks!
