220 SyncServer 600 Series User’s Guide 098-00720-000 Revision D1 – February, 2018
Chapter 6 Provisioning
Provisioning Outputs
Monitoring Network Packets
The S6x0 provides capability to monitor and limit incoming packets on each of its
LAN ports. The capability is covered in Security - Packet Monitoring (security
license required). The relationship between the packet thresholds configured there
and the mapped network timing services is as follows:
For any LAN that has NTPd mapped (LAN1, 2, and 3 in Figure 6-24) those
incoming timing service packets are only included in the All Packets column
thresholds (not Service Packets column).
For any LAN that has PTP Master or NTPr mapped (LAN4 in Figure 6-24) those
incoming timing service packets are only included in the Service Packets column
threshold (not All Packets column). Additionally, if a LAN has one of these
services mapped to it, that is only LAN where the Service Packets column
threshold value will be used. If such a mapping exists, it is indicated with a green
dot and the threshold value in that row is allowed to be modified. The form below
shows the Packet Monitoring form when the mapping is from example in Figure
6-24. The green dot is lit for LAN4 because NTPr is mapped to LAN4.
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