Configuring Switching
207
S3300 Smart Managed Pro Switch
The following table describes the non-configurable information on the 802.1AS Port Settings
screen.
802.1AS Statistics
The 802.1AS Statistics screen displays information regarding the 802.1AS messages
transmitted and received by each interface.
If all 802.1AS statistics do not fit on the screen, use the horizontal scroll bar to view additional
settings.
To display the 802.1AS Statistics screen, select Switching > 802.1AS > Advanced >
802.1AS Statistics.
The following table describes the information the 802.1AS Statistics screen displays.
Table 76. 802.1AS port settings
Field Description
Port Role The 802.1AS role of the interface. The possible roles are as follows:
• Disabled (default)
• Master
• Slave
• Passive
Propagation Delay The mean propagation delay on the interface
Measuring Pdelay Indicates whether the interface is receiving PDELAY response messages from
other end of the link.
802.1AS Capable Indicates whether the interface is 802.1AS capable. By default, the interface is
not 802.1AS capable.
Neighbor Rate Ratio An estimated ratio of the frequency of the local clock entity of the time-aware
system at the other end of the link attached to this port, to the frequency of the
local clock entity of this time-aware system.
Current Sync Interval The current mean time interval between successive SYNC messages sent over
a link, in logarithm to base 2 format.
Current Pdelay Interval The current mean time interval between successive PDELAY_REQ messages
sent over a link, in logarithm to base 2 format.
Current Announce Interval The current mean time interval between successive ANNOUNCE messages
sent over a link, in logarithm to base 2 format.
Table 77. 802.1AS statistics
Field Description
Interface The interface associated with the rest of the 802.1AS statistics in the row.
Sync Tx The total number of SYNC packets transmitted without error.
Sync Rx The total number of SYNC packets received without error.