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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
Verifying PTP modes
Ordinary Clock
Use the show ptp clock dataset current command to display the sample output.
Router#show ptp clock dataset current
CLOCK [Ordinary Clock, domain 0]
Steps Removed: 1
Offset From Master: 0
Use the show ptp clock dataset default command to display the sample output.
Router#show ptp clock dataset default
CLOCK [Ordinary Clock, domain 0]
Two Step Flag: No
Clock Identity: 0x0:A:8B:FF:FF:5C:A:80
Number Of Ports: 1
Priority1: 128
Priority2: 128
Domain Number: 0
Slave Only: Yes
Clock Quality:
Class: 13
Accuracy: Greater than 10s
Offset (log variance): 52592
Use the show ptp clock dataset parent domain command to display the sample output.
Router# show ptp clock dataset parent domain 0
CLOCK [Ordinary Clock, domain 0]
Parent Stats: No
Observed Parent Offset (log variance): 65535
Observed Parent Clock Phase Change Rate: 0
Grandmaster Clock:
Identity: 0x0:D0:4:FF:FF:B8:6C:0
Priority1: 128
Priority2: 128
Clock Quality:
Class: 13
Accuracy: Within 1s
Offset (log variance): 52592
Step 8
transport ipv4 unicast interface
interface-type
interface-number
[negotiation]
Example:
Router(config-ptp-port)# transport
ipv4 unicast interface Loopback 1
negotiation
Sets port transport parameters.
• interface-type—The type of the interface.
• interface-number—The number of the interface.
• negotiation—(Optional) Enables dynamic discovery
of slave devices and their preferred format for sync
interval and announce interval messages.
Step 9
exit
Example:
Router(config-ptp-port)# exit
Exits clock port configuration mode.
Command or Action Purpose