Chapter 6: Configuration and alignment
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Page 6-55
Attribute
Meaning
Main PSU Port SSM Tx
Disabled: SSMs are not transmitted from the Main PSU port.
Disabling SSMs may be useful in a test environment.
Enabled: SSMs are transmitted from the Main PSU port (normal
operation)
Aux Port SSM Tx
Disabled: SSMs are not transmitted from the Aux Port.
Disabling SSMs may be useful in a test environment.
Enabled: SSMs are transmitted from the Aux Port (normal
operation)
SFP Port SSM Tx
Disabled: SSMs are not transmitted from the SFP port.
Disabling SSMs may be useful in a test environment.
Enabled: SSMs are transmitted from the SFP port (normal
operation)
Table 165 IEEE 1588 attributes
Attribute
Meaning
Transparent Clock
Disabled: The Transparent Clock function is disabled. IEEE 1588-
2008 event frames will be forwarded, but residence time
corrections will not be made.
Enabled: The Transparent Clock function is enabled. Residence
time corrections will be made to IEEE 1588-2008 event frames.
Transparent Clock Port
This specifies the transparent clock source port. It can be Main
PSU or SFP Fiber. Only the ports allocated for Data / Second
Data Path show up for selection.
Transparent Clock VLAN
All: The recommended setting. Residence time corrections will
be made to all IEEE 1588-2008 event frames, regardless of any
VLAN encapsulation.
S-Tagged: Residence time corrections are only made to event
frames tagged with a service tag equal to “Transparent Clock
VID”.
C-Tagged: Residence time corrections are only made to event
frames double tagged and with a customer tag equal to
“Transparent Clock VID”.
Transparent Clock VID
The VLAN Identifier (VID) used with “Transparent Clock VLAN”
to restrict residence time corrections to IEEE 1588-2008 event
frames in a specific VLAN.
