EXFO FTB-8500 Series for FTB-200 - Manual (Page 469)

Pop-Up Windows
Ethernet and Fibre Channel Application 455
MPLS Configuration
MPLS Configuration
This pop-up window is only available with EtherSAM (Y.1564) test case.
Allows MPLS configuration of services with up to two layers of MPLS labels,
COS/EXP and TTL parameters.
Note: MPLS has to be enabled during the test
setup (refer to MPLS on page 96) and the
Network framing configuration set to
MPLS/IPv4, MPLS/IPv6, or MPLS/None to
gives access to the MPLS configuration for
the selected service.

Stacked Headers: Allows the activation of up to two MPLS headers.
The default setting is 1.

Label: Allows the selection of the MPLS TX labels (0 to 1048575). The
default label value is 16.

COS/EXP (Class Of Service / Experimental): Select the class of service.
The default value is 0 (0000 - Low).
0 (000 - Low)
1 (001 - Low)
2 (010 - Low)
3 (011 - Low)
4 (100 - High)
5 (101 - High)
6 (110 - High)
7 (111 - High)

TTL (Time To Live): Select the TTL value. Choices are 0 to 255. The
default setting is 128.