User Manual

Table 82. 802.1AS interface information
DescriptionField
The 802.1AS role of the interface. The possible roles are as follows:
•
Disabled (default)
•
Master
•
Slave
•
Passive
Port Role
The mean propagation delay on the interface.Propagation Delay
Indicates whether the interface is receiving PDELAY response messages from
the other end of the link.
Measuring Pdelay
Indicates whether the interface is 802.1AS capable. By default, the interface is
not 802.1AS capable.
802.1AS Capable
An estimated ratio of the frequency of the local clock entity of the time-aware
device at the other end of the link of the interface in relation to the frequency
of the local clock entity of the switch.
Neighbor Rate Ratio
The current mean time interval between successive SYNC messages sent over
the link, in logarithm to base 2 format.
Current Sync Interval
The current mean time interval between successive PDELAY_REQ messages
sent over the link, in logarithm to base 2 format.
Current Pdelay Interval
The current mean time interval between successive ANNOUNCE messages
sent over the link, in logarithm to base 2 format.
Current Announce Interval
View the 802.1AS statistics
You can view the 802.1AS statistics for the interfaces.
To view the 802.1AS statistics for the interfaces:
1. Launch a web browser.
2.
In the address field of your web browser, enter the IP address of the switch.
The login page displays.
3. Click the Main UI Login button.
The main UI login page displays in a new tab.
4. Enter admin as the user name, enter your local device password, and click the Login
button.
The first time that you log in, no password is required. However, you then must
specify a local device password to use each subsequent time that you log in.
Main User Manual313Configure Switching Information
AV Line of Fully Managed Switches M4250 Series Main User Manual