Deployment Guide

Precedence Description
Green High-priority packets that are the least preferred to be dropped.
Yellow Lower-priority packets that are treated as best-eort.
Red Lowest-priority packets that are always dropped (regardless of congestion status).
• Honor the incoming DEI value by mapping it to the Dell Networking OS drop precedence.
INTERFACE mode
dei honor {0 | 1} {green | red | yellow}
You may enter the command once for 0 and once for 1.
Packets with an unmapped DEI value are colored green.
Example of Viewing DEI-Honoring Conguration
To display the DEI-honoring conguration, use the show interface dei-honor [interface slot/port | linecard
number port-set number] in EXEC Privilege mode.
Dell#show interface dei-honor
Default Drop precedence: Green
Interface CFI/DEI Drop precedence
---------------------------------------
Gi 0/1 0 Green
Gi 0/1 1 Yellow
Gi 8/9 1 Red
Gi 8/40 0 Yellow
Marking Egress Packets with a DEI Value
On egress, you can set the DEI value according to a dierent mapping than ingress.
For ingress information, refer to Honoring the Incoming DEI Value.
To mark egress packets, use the following command.
• Set the DEI value on egress according to the color currently assigned to the packet.
INTERFACE mode
dei mark {green | yellow} {0 | 1}
Example of Viewing DEI-Marking Conguration
To display the DEI-marking conguration, use the show interface dei-mark [interface slot/port | linecard number
port-set number] in EXEC Privilege mode.
Dell#show interface dei-mark
Default CFI/DEI Marking: 0
Interface Drop precedence CFI/DEI
--------------------------------
Gi 0/1 Green 0
Gi 0/1 Yellow 1
Gi 8/9 Yellow 0
Gi 8/40 Yellow 0
Service Provider Bridging
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