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Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-17
Chapter 12 IEEE 1588v2 PTP Support
Configuring IEEE 1588v2 PTP
6. exit
7. clock-port name master
8. transport ipv4 unicast interface {GigabitEthernet | Loopback} interface-number {negotiation}
9. end
DETAILED STEPS
Command Purpose
Step 1
configure terminal
Example:
Router# configure terminal
Enters the global configuration mode.
Step 2
ptp clock boundary domain domain_number
Example:
Router(config)# ptp clock boundary
domain 0
Creates a PTP clock and specifies the clock mode.
Step 3
clock-port name slave
Example:
Router(config-ptp-clk)# clock-port
SLAVE slave
Specifies the clocking mode of a PTP port and enters the
clock port configuration mode.
Step 4
transport ipv4 unicast interface
{GigabitEthernet | Loopback}
interface-number [negotiation]
Example:
Router(config-ptp-port)# transport ipv4
unicast interface Loopback11
negotiation
Specifies the IP version, transmission mode, and
interface that a PTP clock port uses to exchange timing
packets.
The negotiation keyword specifies the unicast
negotiation mode where the slave and master clock
exchange negotiation messages before establishing a
relationship.
Note Only Loopback interface type is supported.
Step 5
clock source ip-address
Example:
Router(config-ptp-port)# clock source
10.10.10.10
Specifies the source IP address of a PTP master clock.
Note You can specify only one master clock IP
address. Priority-based clock source selection is
not supported.
Step 6
exit
Example:
Router(config-ptp-port)# exit
Exits clock port configuration mode.
Step 7
clock-port name master
Example:
Router(config-ptp-clk)# clock-port
MASTER master
Specifies the clocking mode of a PTP port and enters
clock port configuration mode.