The following example creates a Frame Relay policy that on egress marks the DE bit to 1, and on ingress colors frames with a DE bit of 1 as red.
host1#show frame-relay subinterface
Frame relay sub-interface SERIAL5/0:1/1.1, status is up
Number of sub-interface down transitions is 0
Time since last status change 03:04:59
No baseline has been set
In bytes: 660 Out bytes: 660
In frames: 5 Out frames: 5
In errors: 0 Out errors: 0
In discards: 0 Out discards: 0
In unknown protos: 0
Frame relay policy output frOutputPolicy
classifier-group frGroupA entry 1
5 packets, 640 bytes
mark-de 1
Frame relay sub-interface SERIAL5/1:1/1.1, status is up
Number of sub-interface down transitions is 0
Time since last status change 03:05:09
No baseline has been set
In bytes: 660 Out bytes: 660
In frames: 5 Out frames: 5
In errors: 0 Out errors: 0
In discards: 0 Out discards: 0
In unknown protos: 0
Frame relay policy input frInputPolicy
classifier-group frMatchDeSet entry 1
5 packets, 660 bytes
color redhost1#show classifier-list detailed
Classifier Control List Table
---------- ------- ---- -----
Frame relay Classifier Control List frMatchDeSet
Reference count: 1
Entry count: 1 Classifier-List frMatchDeSet Entry 1
DE Bit: 1host1#show policy-list
Policy Table
------ -----Frame relay Policy frOutputPolicy
Administrative state: enable
Reference count: 0
Classifier control list: frMatchDeSet, precedence 100
mark-de 1Frame relay Policy frInputPolicy
Administrative state: enable
Reference count: 0
Classifier control list: frGroupA, precedence 100
color red