iSCSI Optimization Commands 537User GuidelinesChanging the aging time has the following behavior:• When aging time is increased, current sessions will be timed out accordingto the new value.• When aging time is decreased, any sessions that have been dormant for atime exceeding the new setting will be immediately deleted from the table.All other sessions will continue to be monitored against the new time outvalue.ExampleThe following example sets the aging time for iSCSI sessions to 100 minutes.console(config)#iscsi aging time 100iscsi cosUse the iscsi cos command in Global Configuration mode to set the qualityof service profile that will be applied to iSCSI flows. To return the VPT/DSCPsetting to the default value, use the no form of this command. VPT/DSCPvalues can be configured independently from the application of QoStreatment.Syntaxiscsi cos {enable | disable | vptvpt | dscpdscp} [remark]no iscsi cos• enable—Enables application of preferential QoS treatment to iSCSIframes.• disable—Disables application of preferential QoS treatment to iSCSIframes.•vpt/dscp—The VLAN Priority Tag or DSCP value to assign received iSCSIsession packets.• remark—Mark the iSCSI frames with the configured DSCP whenegressing the switch.
