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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
Step 8
delay-req interval
interval
Example:
Router(config-ptp-port)# delay-req
interval 1
(Optional) Configures the minimum interval allowed
between PTP delay request messages.
The intervals are set using log base 2 values, as follows:
• 5—1 packet every 32 seconds
• 4—1 packet every 16 seconds
• 3—1 packet every 8 seconds
• 2—1 packet every 4 seconds
• 1—1 packet every 2 seconds
• 0—1 packet every second
• -1—1 packet every 1/2 second, or 2 packets per second
• -2—1 packet every 1/4 second, or 4 packets per second
• -3—1 packet every 1/8 second, or 8 packets per second
• -4—1 packet every 1/16 seconds, or 16 packets per
second.
• -5—1 packet every 1/32 seconds, or 32 packets per
second.
• -6—1 packet every 1/64 seconds, or 64 packets per
second.
• -7—1 packet every 1/128 seconds, or 128 packets per
second.
The default is -6.
Step 9
sync interval
interval
Example:
Router(config-ptp-port)# sync
interval -5
(Optional) Specifies the interval used to send PTP
synchronization messages. The intervals are set using log
base 2 values. The Cisco ASR 901 router supports the
following values:
• -5—1 packet every 1/32 seconds, or 32 packets per
second.
• -6—1 packet every 1/64 seconds, or 64 packets per
second.
The default is -6.
Step 10
end
Example:
Router(config-ptp-port)# end
Exits clock port configuration mode and enters privileged
EXEC mode.
Command Purpose