Model 5601MSC
Model 5601MSC Master SPG/Master Clock System
Page - 152 Revision 2.2 MASTER CLOCK
4.5.13.2.3. Setting the NTP Restriction Mask
This item is used to enter the IP mask portion of the restriction rule. This
mask identifies which parts of IP address must match exactly, and which
parts don’t matter. A mask of 0.0.0.0 means that the entire IP address of
the incoming request must match exactly with the restriction IP address in
order for this rule to apply. A mask of 0.0.0.255 means only the first three
octets of the IP addresses must match, and the last octet is not compared.
Example: Restrict IpAdd = 172.21.1.0 and Restrict IpMsk = 0.0.0.255
This means all IP addresses in the range of 172.21.1.0 to 172.21.1.255 will
match this rule and will be ignored by the NTP server, if the Restrict mode
4.5.14. Configuring the Precision Time Protocol Master
The PTP Master sub-menu is used to configure the PTP master protocol on the Time Ethernet port of
the 5601MSC. Note that the master mode does not operate if time or frequency reference is PTP.
Note: Status PTP needs to be installed on the module to enable this sub-menu.
4.5.14.1. Master En
This menu item is used to turn the PTP master broadcast packets on or off.
off
4.5.14.2. Master Mode
This menu item is used to set the PTP profile to IEEE-1588 annex J, or
SMPTE 2059. It affects the range of the rates for sync and announce
messages.
annexj