Dell PowerConnect 8100 CLI Reference Guide - Page 653

User Guidelines Strict priority (SP) queues are scheduled in priority order ahead of WRR queues. Strict priority queues are allocated unlimited bandwidth. Use the cos-queue min-bandwidth command on lower priority SP and WRR queues to ensure fairness to lower priority queues. Example The following example displays how to activate the strict priority scheduler mode for two queues. console(config)#cos-queue strict 1 2 The following example displays how to activate the strict priority scheduler mode for three queues. console(config)#cos-queue strict 1 2 4 diffserv Use the diffserv command in Global Configuration mode to set the DiffServ operational mode to active. While disabled, the DiffServ configuration is retained and can be changed, but it is not activated. When enabled, DiffServ services are activated. To set the DiffServ operational mode to inactive, use the no form of this command. Syntax diffserv no diffserv Default Configuration This command default is enabled. Command Mode Global Configuration mode User Guidelines This command has no user guidelines. QoS Commands 653