Cisco Systems A9014CFD manual Priority1 priority-value Priority2 priority-value, 22-20

Chapter 22 Configuring Clocking

Configuring PTP for the Cisco ASR 901 Router

4.priority1 priority-value

5.priority2 priority-value

6.clock-port port-namemaster

7.transport ipv4 unicast interface interface-typeinterface-number

8.clock-destination clock-ip-address

9.sync interval interval

10.announce interval interval

11.end

DETAILED STEPS

	Command	Purpose
Step 1	enable	Enables privileged EXEC mode.
		• Enter your password if prompted.
	Example:
	Router> enable
Step 2	configure terminal	Enters global configuration mode.
	Example:
	Router# configure terminal
Step 3	ptp clock ordinary domain domain	Configures the PTP clock as an ordinary clock and enters
		clock configuration mode.
	Example:	• domain—The PTP clocking domain number. The
	Router(config)# ptp clock ordinary	range is from 0 to 127.
	domain 0
Step 4	priority1 priority-value	(Optional) Sets the preference level for a clock.
		• priority-value—The range is from 0 to 255. The
	Example:	default is 128.
	Router(config-ptp-clk)# priority1 4
Step 5	priority2 priority-value	(Optional) Sets a secondary preference level for a clock.
		The priority2 value is considered only when the router is
	Example:	unable to use priority1 and other clock attributes to select
		a clock.
	Router(config-ptp-clk)# priority2 8
		• priority-value—The range is from 0 to 255. The
		default is 128.
Step 6	clock-port port-namemaster	Sets the clock port to PTP master and enters clock port
		configuration mode. In master mode, the port exchanges
	Example:	timing packets with PTP slave devices.
	Router(config-ptp-clk)# clock-port
	Master master

	Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
22-20	OL-23826-09