Users Guide

iSCSI optimization running on the master switch is configured to use dot1p priority-queue assignments to
ensure that iSCSI traffic in these sessions receives priority treatment when forwarded on stacked switch
hardware.
Figure 61. Example of iSCSI Optimization
Monitoring iSCSI Traffic Flows
The switch snoops iSCSI session-establishment and termination packets by installing classifier rules that trap
iSCSI protocol packets to the CPU for examination.
Devices that initiate iSCSI sessions usually use well-known TCP ports 3260 or 860 to contact targets. When
you enable iSCSI optimization, by default the switch identifies IP packets to or from these ports as iSCSI
traffic.
iSCSI Optimization 560