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Dell S3048-ON User Manual

Dell S3048-ON
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Honoring the Incoming DEI Value
To honor the incoming DEI value, you must explicitly map the DEI bit to an Dell Networking OS drop precedence.
Precedence can have one of three colors.
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 an 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] in EXEC Privilege
mode.
Dell#show interface dei-honor
Default Drop precedence: Green
Interface CFI/DEI Drop precedence
---------------------------------------
Gi 1/1 0 Green
Gi 1/1 1 Yellow
Gi 2/9 1 Red
Gi 2/10 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 ] in EXEC Privilege
mode.
Dell#show interface dei-mark
Default CFI/DEI Marking: 0
Interface Drop precedence CFI/DEI
--------------------------------
Gi 1/1 Green 0
Gi 1/1 Yellow 1
Service Provider Bridging
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Dell S3048-ON Specifications

General IconGeneral
Rack Units1U
Form FactorRack-mountable
Input Voltage100-240V AC
Power Supply2 hot-swappable power supplies
ManagementCLI, Web, SNMP
Product TypeSwitch
MAC Address Table Size32K entries
Jumbo Frame SupportYes
Latency< 3 microseconds
Ports48 x 1GbE RJ45, 4 x 10GbE SFP+

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