interface: Enter the name of the interface that has the color policy configured.
Examples for Displaying a DSCP Color Policy
Display summary information about a color policy for one or more interfaces.
Dell# show qos dscp-color-policy summary
Interface dscp-color-map
TE 1/10 mapONE
TE 1/11 mapTWO
Display summary information about a color policy for a specific interface.
Dell# show qos dscp-color-policy summary tengigabitethernet 1/10
Interface dscp-color-map
TE 1/10 mapONE
Display detailed information about a color policy for a specific interface
Dell# show qos dscp-color-policy detail tengigabitethernet 1/10
Interface TenGigabitEthernet 1/10
Dscp-color-map mapONE
yellow 4,7
red 20,30
Enabling QoS Rate Adjustment
By default while rate limiting, policing, and shaping, Dell Networking OS does not include the Preamble, SFD,
or the IFG fields. These fields are overhead; only the fields from MAC destination address to the CRC are used
for forwarding and are included in these rate metering calculations.
The Ethernet packet format consists of:
• Preamble: 7 bytes Preamble
• Start frame delimiter (SFD): 1 byte
• Destination MAC address: 6 bytes
• Source MAC address: 6 bytes
• Ethernet Type/Length: 2 bytes
• Payload: (variable)
• Cyclic redundancy check (CRC): 4 bytes
• Inter-frame gap (IFG): (variable)
You can optionally include overhead fields in rate metering calculations by enabling QoS rate adjustment.
QoS rate adjustment is disabled by default.
• Specify the number of bytes of packet overhead to include in rate limiting, policing, and shaping
calculations.
CONFIGURATION mode
qos-rate-adjust overhead-bytes
For example, to include the Preamble and SFD, type qos-rate-adjust 8. For variable length overhead
fields, know the number of bytes you want to include.
Quality of Service (QoS) 851
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