20 ContentsHow Does the Switch Detect iSCSITraffic Flows? . . . . . . . . . . . . . . . . . . . 440How Is Quality of Service Applied to iSCSITraffic Flows? . . . . . . . . . . . . . . . . . . . 440What Information Does the Switch Track iniSCSI Traffic Flows? . . . . . . . . . . . . . . . . 441How Does iSCSI Optimization InteractWith Dell EqualLogic Arrays?. . . . . . . . . . . 441What Occurs When iSCSI is Enabled orDisabled? . . . . . . . . . . . . . . . . . . . . . 442Default iSCSI Optimization Values . . . . . . . . . . . 443Configuring iSCSI Optimization (Web) . . . . . . . . . 444iSCSI Global Configuration . . . . . . . . . . . . 444iSCSI Targets Table . . . . . . . . . . . . . . . . 445iSCSI Sessions Table . . . . . . . . . . . . . . . 446iSCSI Sessions Detailed . . . . . . . . . . . . . 447Configuring iSCSI Optimization (CLI) . . . . . . . . . 448iSCSI Optimization Configuration Examples . . . . . 450Configuring iSCSI Optimization BetweenServers and a Disk Array . . . . . . . . . . . . . 45017 Configuring a Captive Portal . . . . . . . . . 453Captive Portal Overview . . . . . . . . . . . . . . . . 453What Does a Captive Portal Do? . . . . . . . . . 453Is the Captive Portal Feature Dependenton Any Other Feature? . . . . . . . . . . . . . . 454What Factors Should Be Considered WhenDesigning and Configuring a Captive Portal?. . . 455How Does Captive Portal Work? . . . . . . . . . 456What Captive Portal Pages Can BeCustomized?. . . . . . . . . . . . . . . . . . . . 457