ECS4660-28F_Management Guide-R03

C HAPTER 24 | System Management Commands
Precision Time Protocol
– 968 –
ptp log-announce-
interval
This command sets the announcement message transmit interval. Use the
no form to restore the default setting.
SYNTAX
ptp log-announce-interval interval-value
no ptp log-announce-interval
interval-value – The interval for PTP announcement messages.
(Range: 0-4 in log base 2)
DEFAULT SETTING
1 (2 seconds)
COMMAND MODE
Interface Configuration (Ethernet, Port Channel)
COMMAND USAGE
◆ The log base 2 settings equate to the following values:
■
0 – 1 packet every second
■
1 – 1 packet every 2 seconds
■
2 – 1 packet every 4 seconds
■
3 – 1 packet every 8 seconds
■
4 – 1 packet every 16 seconds
◆ It may be necessary for the announcement interval to be different in
networks which employ different communication technologies, such as
wired or wireless. Systems where the announcement interval varies
from region to region will still function correctly. However, regions with
short intervals may experience more reconfiguration events while
waiting for slower regions to select master clocks.
EXAMPLE
Console(config)#interface ethernet 1/1
Console(config-if)#ptp log-announce-interval 0
Console(config-if)#
RELATED COMMANDS
ptp announce-receipt-timeout (966)