EXFO FTB-800 Series for FTB-1 - Manual (Page 467)

Test Functions
NetBlazer 457
S-OAM Link Trace
S-OAM Link Trace
From the Test menu, tap Functions, and the S-OAM Link Trace tab.
Link Trace

Priority
1
allows to select the VLAN user priority: 0 (default) to 7. Refer
to VLAN ID and Priority on page 575 for more information.

Drop Eligible
1
is set to No (no frames will be dropped when
congestion occurs) and is not configurable.

TTL sets the Time To Live value: 1 to 255 (default is 128).

Link Trace button when ON (OFF by default) starts the link trace
process. The Link Trace button turn OFF automatically once the link
trace process is completed.
Result
The table reports the following information for each valid LTR frames
received in response to the last LTM frame sent: TTL, MEP/MIP MAC
Address, Forward, and Term MEP.

Last Link Trace Status displays the last link trace status.

TX LTM indicates the count of transmitted LTM frames.
1. Available when VLAN is enabled.(see VLAN on page 168)
Status Description
Pending No Results
Successful Last Link Trace was successful
Failed – LTR Timeout Last Link Trace failed due to a LTR Timeout
Failed – Invalid LTR
Last Link Trace failed due to an Invalid LTR