EXFO IQS-8500 Series for IQS-600 - Manual (Page 237)

Stream Generation Tabs
Ethernet and Fibre Channel Application 223
MPLS
MPLS
Allows MPLS configuration of streams 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 106)
and the Network set to MPLS/IPv4, MPLS/IPv6, or MPLS/None (see
Stream Configuration on page 209) to gives access to the MPLS
configuration for the selected stream.
Press TEST, Stream Gen, and MPLS.
Stream No.
Select the stream number from the list.