Symmetricom TimeProvider 5000 User Manual page 258

Chapter 4 Provisioning
Provisioning PTP
Table 4-3. PTP
Parameter
state
ttl
alternate-master
max-client
announce-limit
sync-limit
delay-limit
priority-1
258 TimeProvider 5000 User's Guide
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Common Parameter Descriptions (Continued)
Use to enable or disable PTP functionality for the specified
port.
Default = Enable
Use to set the IP header Time-to-Live value This field is used
to limit how many hops a packet will be transmitted in a
network. This is especially useful with multicast.
Default = 64
Use to set the alternate master flag. If the alternate master
flag is set, the TP5000 will not run the BMC algorithm and will
always be master.
Default = Disable
Sets the maximum number of PTP clients the user chooses
to allow for the specified port. The TP5000 has a capacity for
up to 500 clients per port.
Default = 500
Use to limit the minimum interval between announcements
(maximum rate) from the specified TP5000. This is a way to
restrict how network resources will be utilized.
The interval is 2
Default = -4 (0.125 seconds)
Use to limit the minimum interval between synchronization
messages (maximum rate) from the specified TP5000 port.
This is a way to restrict how network resources will be
utilized.
The interval is 2
Default = -7 (0.0078125 seconds)
Use to limit the minimum interval between between delay
requests for the specified TP5000 port. This is a way to
restrict how network resources will be utilized.
The interval is 2
Default = -7 (0.0078125 seconds)
Sets the advertised Priority 1 value for the Grandmaster for
the specified port. PTP clients use the Best Master Clock
(BMC) algorithm to determine which Grandmaster provides
the best signal by first comparing Priority 1 values, then
dynamic elements from the Grandmasters (such as clock
class, accuracy and variance), and then Priority 2 values.
Default = 128
Description
z
seconds, where z= <announce-limit-value>.
z
seconds, where z= <sync-limit-value>.
z
seconds, where z= <delay-limit-value>.
098-00028-003 Revision A – June, 2011