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Chapter 18: Ethernet Services and Interfaces (CLI) Configuring Ethernet Services (CLI)
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Configuring a Service’s CoS Mode and Default CoS (CLI)
The CoS mode determines whether or not frames passing through the service have their CoS modified at the
service level. The CoS determines the priority queue to which frames are assigned.
The CoS of frames traveling through a service can be modified on the interface level, the service point level, and
the service level. The service level is the highest priority, and overrides CoS decisions made at the interface and
service point levels. Thus, by configuring the service to apply a CoS value to frames in the service, you can define a
single CoS for all frames traveling through the service.
To set a service’s CoS mode, go to service view for the service and enter the following command:
service[SID]>service cos-mode set cos-mode <cos-mode>
If the CoS mode is set to default-cos , you must define the Default CoS. Use the following command to define
the Default CoS:
service[SID]>service default-cos set cos <cos>
Table 178 Ethernet Service CoS Mode CLI Parameters
Parameter Input Type Permitted Values Description
cos-mode Variable default-cos
preserve-sp-cos-
decision default cos - Frames passing through the
service are assigned the default CoS defined below.
This CoS value overrides whatever CoS may have
been assigned at the service point or interface
level.
preserve-sp-cos-decision - The CoS of
frames passing through the service is not modified
by the service.
If the CoS mode is set to default-cos, you must define the Default CoS. Use the following command to define the
Default CoS:
service[SID]>service default-cos set cos <cos>