Users Guide

Contents 21
16 iSCSI Optimization . . . . . . . . . . . . . . . . . 613
iSCSI Optimization Overview . . . . . . . . . . . . . . 613
What Does iSCSI Optimization Do?
. . . . . . . . . 613
What Occurs When iSCSI Optimization Is Enabled
or Disabled?
. . . . . . . . . . . . . . . . . . . . 614
How Does the Switch Detect iSCSI Traffic Flows?
614
How Is Quality of Service Applied to iSCSI Traffic
Flows?
. . . . . . . . . . . . . . . . . . . . . . . . 614
How Does iSCSI Optimization Use ACLs?
. . . . . 615
What Information Does the Switch Track in iSCSI
Traffic Flows?
. . . . . . . . . . . . . . . . . . . . 615
How Does iSCSI Optimization Interact With Dell
EqualLogic and Compellent Arrays?
. . . . . . . . 616
How Does iSCSI Optimization Interact with Other
SAN Arrays?
. . . . . . . . . . . . . . . . . . . . 616
Default iSCSI Optimization Values
. . . . . . . . . . . 617
Configuring iSCSI Optimization (Web)
. . . . . . . . . 618
iSCSI Global Configuration
. . . . . . . . . . . . . 618
Configuring iSCSI Optimization (CLI)
. . . . . . . . . . 619
iSCSI Optimization Configuration Examples
. . . . . . 620
Configuring iSCSI Optimization Between Servers
and a Disk Array
. . . . . . . . . . . . . . . . . . 620
17 Port Characteristics . . . . . . . . . . . . . . . 623
Port Overview . . . . . . . . . . . . . . . . . . . . . . 623
What Physical Port Characteristics Can Be
Configured?
. . . . . . . . . . . . . . . . . . . . . 623
Auto-Negotiation
. . . . . . . . . . . . . . . . . . 625
Maximum Transmission Unit
. . . . . . . . . . . . 625