Configuring Switching 
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S3300 Smart Managed Pro Switch 
8.  In the Announce Interval field, specify the desired transmission rate of ANNOUNCE 
messages. 
This value is the logarithm to the base 2 of the mean time interval between successive 
ANNOUNCE messages sent on this interface. The configured initial interval becomes the 
current interval only after the port is initialized or re-initialized for 802.1AS operation.
9.  Configure the SyncRx Timeout. 
This value sets the number of SYNC intervals that have to pass without receipt of SYNC 
information before considering that the master is no longer transmitting.
10. Configure the AnnounceRx Timeout. 
This value sets the number of ANNOUNCE intervals that have to pass without receipt of 
ANNOUNCE PDU before considering that the master is no longer transmitting.
11. Click the Apply button.