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User Manual
3onedata proprietary and confidential
Copyright © 3onedata Co., Ltd.
183
Link Trace State
Transaction ID
The transaction id is incremented for each LTM send. This value is inserted the
transmitted LTM PDU and is expected to be received in the LTR PDU. Received LTR
with wrong transaction id is ignored. There are five transactions in one Link Trace
activated.
Time To Live
This is the TTL value taken from the LTM received by the MIP/MEP sending this LTR
- decremented as if forwarded.
Mode
Indicating if is was a MEP/MIP sending this LTR.
Direction
Indicating if MEP/MIP sending this LTR is ingress/egress.
Forwarded
Indicating if MEP/MIP sending this LTR has forwarded the LTM.
Relay
The Relay action can be one of the following
MAC: The was a hit on the LT Target MAC
FDB: LTM is forwarded based on data in the Filtering DB.
MFDB: LTM is forwarded based on data in the MIP CCM DB
Last MAC
The MAC identifying the last sender of the LBM causing this LTR - initiating MEP or
previous MIP forwarding.
Next MAC
The MAC identifying the next sender of the LBM causing this LTR - MIP forwarding or
terminating MEP.
Test Signal
Enable
Test Signal based on transmitting TST PDU can be enabled/disabled.
DEI
The DEI to be inserted as PCP bits in TAG (if any).