Users Guide

588 Dell PowerConnect 55xx Systems User Guide
Global Parameters
Use the Global Parameters page to enable iSCSI and to set iSCSI QoS frame
priority. You may also enable Remark to change the DSCP or CoS user
priority field in the packet. In the QoS Properties pages, you can then set the
queuing to
strict priority or WRR , and map the CoS or DSCP to the desired
queue in the CoS to Queue or DSCP to Queue pages.
To enable iSCSI and set its QoS parameters:
1
Click System > iSCSI Optimization > Global Parameters in the tree
view to display the
Global Parameters page.
Figure 20-1. Global Parameters
2 Enter the fields:
–
iSCSI Status — Enable/disable iSCSI optimization.
–
iSCSI COS Status — Enable/disable the Class of Service profile to
apply to iSCSI flows.
–
Classification — Select whether the priority of iSCSI packets is
determined by
CoS or DSCP . Check the classification, and select the
desired value.
–
Remark — Enable/disable whether iSCSI frames will be remarked
with the CoS or DSCP value.