QoS Commands
291
User Guidelines
•
You can use this command to distribute traffic into different queues, where each queue is configured
with different weighted round robin (WRR) parameters.
•
To enable the expedite queues, use the
priority-queue out
Interface Configuration mode command
wrr-queue cos-map
.
Example
The following example maps CoS 3 to queue 4.
wrr-queue bandwidth
The
wrr-queue bandwidth
Interface Configuration mode command assigns Weighted Round Robin
(WRR) weights to egress queues. The weights ratio determines the frequency in which the packet
scheduler dequeues packets from each queue. Use the
no
form of this command to return to the default
values.
Syntax
•
wrr-queue bandwidth
weight1 weight2 ... weight_n
•
no wrr-queue bandwidth
•
weight1...weight_n
— Sets the bandwidth ratio by the WRR packet scheduler for the packet
queues. Separate each value by spaces. (Range: 0 - 254)
Default Configuration
The default WRR weight ratio is 1:2:8:16:32:64:128:255.
Command Mode
Interface Configuration (Ethernet, port channel) mode.
User Guidelines
•
The ratio for each queue is defined by the queue weight divided by the sum of all queue weights (i.e.,
the normalized weight). This actually sets the bandwidth allocation of each queue.
•
A weight of 0 means no bandwidth is allocated for the same queue, and the share bandwidth is divided
among the remaining queues.
•
All 8 queues are participating excluding the queues that are assigned as expedite queues. The weights
of these queues are ignored in the ratio calculation.
•
All 8 queues participate in the WRR exclude the expedite queues, in which case the corresponded
weight is ignored (not used in the ratio calculation). The expedite queue is a priority queue, and it is
serviced until empty before the other queues are serviced.
Console(config)#
wrr-queue cos-map
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5400_CLI.book Page 291 Wednesday, December 17, 2008 4:33 PM
Summary of Contents for PowerConnect 5424
Page 114: ...114 Address Table Commands 5400_CLI book Page 114 Wednesday December 17 2008 4 33 PM ...
Page 178: ...178 Ethernet Configuration Commands 5400_CLI book Page 178 Wednesday December 17 2008 4 33 PM ...
Page 194: ...194 GVRP Commands 5400_CLI book Page 194 Wednesday December 17 2008 4 33 PM ...
Page 204: ...204 IGMP Snooping Commands 5400_CLI book Page 204 Wednesday December 17 2008 4 33 PM ...
Page 252: ...252 Line Commands 5400_CLI book Page 252 Wednesday December 17 2008 4 33 PM ...
Page 268: ...268 LLDP Commands 5400_CLI book Page 268 Wednesday December 17 2008 4 33 PM ...
Page 280: ...280 PHY Diagnostics Commands 5400_CLI book Page 280 Wednesday December 17 2008 4 33 PM ...
Page 288: ...288 Port Monitor Commands 5400_CLI book Page 288 Wednesday December 17 2008 4 33 PM ...
Page 300: ...300 QoS Commands 5400_CLI book Page 300 Wednesday December 17 2008 4 33 PM ...
Page 308: ...308 Radius Commands 5400_CLI book Page 308 Wednesday December 17 2008 4 33 PM ...
Page 326: ...326 RMON Commands 5400_CLI book Page 326 Wednesday December 17 2008 4 33 PM ...
Page 386: ...386 SSH Commands 5400_CLI book Page 386 Wednesday December 17 2008 4 33 PM ...
Page 400: ...400 Syslog Commands 5400_CLI book Page 400 Wednesday December 17 2008 4 33 PM ...
Page 418: ...418 System Management 5400_CLI book Page 418 Wednesday December 17 2008 4 33 PM ...
Page 432: ...432 TIC Commands 5400_CLI book Page 432 Wednesday December 17 2008 4 33 PM ...
Page 440: ...440 Tunnel 5400_CLI book Page 440 Wednesday December 17 2008 4 33 PM ...
Page 476: ...476 Voice VLAN 5400_CLI book Page 476 Wednesday December 17 2008 4 33 PM ...
Page 490: ...490 Web Server 5400_CLI book Page 490 Wednesday December 17 2008 4 33 PM ...