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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
4. input [1pps] {R0|R1}
5. clock-port name master
6. transport ipv4 unicast interface {GigabitEthernet | Loopback} interface-number {negotiation}
7. clock destination ip-address
8. end
DETAILED STEPS
Command Purpose
Step 1
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 2
ptp clock ordinary domain domain_number
Example:
Router(config)# ptp clock ordinary
domain 0
Creates a PTP clock and specifies the clock mode.
Step 3
tod {R0 | R1} {cisco | ntp}
Example:
Router(config-ptp-clk)# tod R0 ntp
Configures the time-of-day message format used by the
1PPS or BITS interface.
Note Currently, only R0 1PPS port is supported; R1
is not valid. Also, only ntp mode is supported,
not cisco mode.
Step 4
input [1pps] { R0 | R1 }
Example:
Router(config-ptp-clk)# input 1pps R0
Enables PTP input clocking using a 1.544-Mhz,
2.048-Mhz, or 10-Mhz timing interface, or phase using
the 1PPS or RS-422 interface.
Note Currently, only R0 1PPS port is supported; R1
is not valid.
Step 5
clock-port name master
Example:
Router(config-ptp-clk)# clock-port
MASTER master
Specifies the clocking mode of a PTP port and enters the
clock port configuration mode.
Step 6
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.