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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 22 Configuring Clocking
Configuring PTP for the Cisco ASR 901 Router
Forward Mafie : 38.0
Forward Flow Min Cluster Width: 7550.0 (nsec)
Forward Flow Mode Width : 21400.0 (nsec)
Reverse Flow Weight : 100.0
Reverse Flow Transient-Free : 900 (900 sec Window)
Reverse Flow Transient-Free : 3600 (3600 sec Window)
Reverse Flow Transactions Used: 200.0 (%)
Reverse Flow Oper. Min TDEV : 487.0 (nsec)
Reverse Mafie : 36.0
Reverse Flow Min Cluster Width: 225.0 (nsec)
Reverse Flow Mode Width : 450.0 (nsec)
Frequency Correction : 257.0 (ppb)
Phase Correction : 0.0 (ppb)
Output TDEV Estimate : 1057.0 (nsec)
Output MDEV Estimate : 1.0 (ppb)
Residual Phase Error : 0.0 (nsec)
Min. Roundtrip Delay : 45.0 (nsec)
Sync Packet Rate : 65 (pkts/sec)
Delay Packet Rate : 65 (pkts/sec)
Forward IPDV % Below Threshold: 0.0
Forward Maximum IPDV : 0.0 (usec)
Forward Interpacket Jitter : 0.0 (usec)
Reverse IPDV % Below Threshold: 0.0
Reverse Maximum IPDV : 0.0 (usec)
Reverse Interpacket Jitter : 0.0 (usec)
Verifying PTP Configuration on the 1588V2 Master
A typical configuration on a 1588V2 master is:
ptp clock ordinary domain 0
tod 0/0 cisco
input 1pps 0/0
clock-port MASTER master
transport ipv4 unicast interface Lo20 negotiation
Use the show ptp clock running domain command to display the PTP clock configuration:
Router# show ptp clock running domain 0
PTP Ordinary Clock [Domain 0]
State Ports Pkts sent Pkts rcvd
FREQ_LOCKED 1 1757273 599954
PORT SUMMARY
Name Tx Mode Role Transport State Sessions
o unicast master Lo20 Master 5
SESSION INFORMATION
o [Lo20] [Sessions 5]
Peer addr Pkts in Pkts out In Errs Out Errs