MPLS and RSVP-TE
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MPLS Guide
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Table 15 Router MPLS LSP Path MBB Field Descriptions
Label Description
LastResignalAttempt The system up time when the last attempt to resignal this
LSP was made
CSPF Metric The value of the CSPF metric
Last MBB Header for the last make-before-break (MBB) information
MBB Type An enumerated integer that specifies the type of
make-before-break (MBB) operation. If none displays, then
there is no MBB in progress or no last MBB.
MBB State The state of the most recent invocation of the make-before-
break functionality
Ended at The system up time when the last MBB ended
Old Metric The cost of the traffic-engineered path for the LSP path
prior to MBB
In Progress MBB The header for the currently in-progress MBB information
MBB Type An enumerated integer that specifies the type of
make-before-break (MBB) operation. If none displays, then
there is no MBB in progress or no last MBB.
NextRetryIn The amount of time remaining, in seconds, before the next
attempt is made to retry the in-progress MBB
Started At The time that the current MBB began
RetryAttempt The number of attempts for the MBB in progress
Failure Code The reason code for in-progress MBB failure. A value of
none indicates that no failure has occurred.
Failure Node The IP address of the node in the LSP path at which the
in-progress MBB failed. When no failure has occurred, this
value is none.
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