Supported on all 7210 SAS platforms as described in this document
This command creates a text description stored in the configuration file for a configuration context.
The description command associates a text string with a configuration context to help identify the context in the configuration file.
The no form of this command removes any description string from the context.
Supported on all 7210 SAS platforms as described in this document
This command copies existing port scheduler QoS policy entries for a port scheduler QoS policy to another port scheduler QoS policy. It also allows bulk modifications to an existing policy with the use of the overwrite keyword.
Supported on all 7210 SAS platforms as described in this document
This command configures the port-scheduler policy. The default scheduling done for a port is strict scheduling. When a port-scheduler policy is applied to a port, it overrides the default scheduling and determines the type of scheduling (Strict, RR, WRR, WDRR, WRR/WDRR + Strict) to be done between the 8 CoS queues of that particular port. When a port scheduler policy is detached from a port, the port reverts back to the default scheduling (strict).
The no form of this command removes the policy from the system.
Supported on all 7210 SAS platforms as described in this document
This command configures a particular mode of scheduling for the policy. For example, this implies that when a policy with a mode RR is applied to a port then that port will follow the round robin type of scheduling between its queues.
Supported on all 7210 SAS platforms as described in this document
This command configures a port scheduler queue. The queue and its weights can be configured only for WRR/WDRR modes. The weight specified in case of WRR corresponds to the number of packets that needs to be sent out in a cycle for that particular queue.
For WDRR, the weight specified is the ratio of traffic that will be sent out for that particular queue. For example, in WDRR, if a weight value for queue 1 is 1 and a weight value for queue 2 is 5, then traffic out of the port is in the ratio of 1:5 between the queues (1 and 2) provided no traffic is flowing in the other queues. If the keyword strict is specified in any of the queues, then that particular queue will be treated as strict. This set of strict priority queues is serviced first in the order of their CoS numbering (the higher numbered CoS queue receives service before smaller numbered queues).
The no form of this command under a WRR/WDRR mode will set the queue weights to default (for example, 1).
Supported on all 7210 SAS platforms as described in this document
This command displays port-scheduler policy information
The following outputs are examples of port scheduler policy information, and Table 45 describes the output fields.
Label | Description |
Policy Name | Displays the port scheduler policy name |
Associations | Displays associations related to the specified port scheduler policy |
Mode | Displays the port scheduler policy mode (STRICT, RR, WRR, WDRR) |
Accounting | Displays whether the accounting mode is frame-based or packet-based |
Last Changed | Displays the last time the configuration changed |
Queue # | Displays the weight of the queue if configured |