Dell Force10 TeraScale C Series, Справочное руководство

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1190 | Quality of Service (QoS)
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Parameters
Defaults
No default behavior or values
Command Modes
CONFIGURATION (conf-qos-policy-out)
Command
History
Usage
Information
This command provides a minimum bandwidth guarantee to traffic flows in a particular queue. The
minimum bandwidth is provided by scheduling packets from that queue a certain number of times
relative to scheduling packets from the other queues using the Deficit Round Robin method.
Related
Commands
class-map
c e s
Create/access a class map. Class maps differentiate traffic so that you can apply separate quality of
service policies to each class.
Syntax class-map
{
match-all
|
match-any
}
class-map-name
[
layer2
]
Parameters
Defaults
Layer 3
Command Modes
CONFIGURATION
Command
History
Usage
Information
Packets arriving at the input interface are checked against the match criteria, configured using this
command, to determine if the packet belongs to that class. This command accesses the CLASS-MAP
mode, where the configuration commands include
match ip
and
match mac
options.
weight
Enter the weight assignment to queue.
Range: 1 to 1024 (in increments of powers of 2: 2, 4, 8, 16, 32, 64, 128, 256,
512, or 1024)
Version 7.7.1.0 Introduced on S-Series
Version 7.6.1.0 Introduced on C-Series
qos-policy-output Create a QoS output policy.
match-all Determines how packets are evaluated when multiple match criteria exist.
Enter the keyword
match-all
to determine that the packets must meet all
the match criteria in order to be considered a member of the class.
match-any Determines how packets are evaluated when multiple match criteria exist.
Enter the keyword
match-any
to determine that the packets must meet at
least one of the match criteria in order to be considered a member of the
class.
class-map-name
Enter a name of the class for the class map in a character format (32
character maximum).
layer2
Enter the keyword
layer2
to specify a Layer 2 Class Map.
Default: Layer 3
Version 8.2.1.0
Class-map names can be 32 characters.
layer2
available on C-Series and S-Series.
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
Version 7.4.1.0 E-Series Only: Expanded to add support for Layer 2