D-Link DES-3852 - xStack Switch - Stackable Cli Manual page 100

xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch CLI Manual
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DES-3800:admin#
config scheduling
Purpose
Syntax
Description
Parameters
Restrictions
Example usage:
To configure traffic scheduling:
DES-3800:admin# config scheduling 0 max_packet 12
Command: config scheduling 0 max_packet 12
Success.
DES-3800:admin#
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Used to configure the traffic scheduling mechanism for each COS
queue.
config scheduling <class_id 0-n> max_packet <value 0-15>
The switch contains n+1 hardware priority queues. Incoming packets
must be mapped to one of these n+1 queues. This command is used
to specify the rotation by which these n+1 hardware priority queues
are emptied. In this product, n = 7.
The max_packets parameter allows you to specify the maximum
number of packets a given hardware priority queue can transmit
before allowing the next lowest hardware priority queue to begin
transmitting its packets. A value between 0 and 15 can be specified.
For example, if a value of 3 is specified, then the highest hardware
priority queue (number n) will be allowed to transmit 3 packets − then
the next lowest hardware priority queue (number n-1) will be allowed
to transmit 3 packets, and so on, until all of the queues have
transmitted 3 packets. The process will then repeat.
class_id- This specifies which of the n+1 hardware priority queues the
config scheduling command will apply to.
The four hardware priority queues are identified by number from 0 to
n with the 0 queue being the lowest priority.
max_packet- Specifies the maximium number of packets the above
specified hardware priority queue will be allowed to transmit before
allowing the next lowest priority queue to transmit its packets. A value
between 0 and 15 can be specified.
Only Administrator or Operator-level users can issue this command.
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