Edge-Core ECS4660-28F, Руководство по управлению, Страница: 601 / 2020

C
HAPTER
14
| Basic Administration Protocols
PTP Configuration
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◆
Announce Receipt Timeout – Sets the transmit timeout for PTP
announcement messages. This parameter indicates the number of PTP
announce message intervals which have to expire without the receipt of
a announce message before the session times out. (Range: 2-10;
Default: 3)
◆
Log Min Pdelay Req Interval – Sets the peer delay request message
transmit interval. This parameter indicates the minimum interval
between peer delay request messages used to measure the link delay
between two clock ports implementing the peer-to-peer delay
mechanism. (Range: 0-5 in log base 2; Default: 0)
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
■
5 – 1 packet every 32 seconds
This parameter is only applicable for interfaces which are set to use the
peer-to-peer delay mechanism.
◆
Log Min Delay Req Interval – Sets the delay request message
transmit interval. This parameter indicates the minimum interval
between delay request messages sent by a slave clock to a specific port
on the master clock. (Range: 0-5 in log base 2)
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
■
5 – 1 packet every 32 seconds
This value is determined and advertised by a master clock based on its
ability to process delay request message traffic.
◆ Port Release – Returns a port to PTP enabled state after having been
disabled by a PTP management message.
Check the “Port State” field displayed by the Show PTP Information –
Port Data page to see if a port has been disabled by a PTP management
message.
W
EB
I
NTERFACE
To configure interface settings for PTP:
1.
Click Sync, PTP.
2.
Select Configure Interface from the Step list.