Users Guide

Default iSCSI Optimization Values
The following table lists the default values for the iSCSI optimization feature.
Table 41. iSCSI Optimization Defaults
Parameter Default Value
iSCSI Optimization global setting Disabled
iSCSI CoS mode (802.1p priority queue mapping) Enabled: dot1p priority 4 without the remark setting
iSCSI CoS Packet classification VLAN classifies the iSCSI packets instead of by DSCP
values.
VLAN priority tag iSCSI flows are assigned by default to dot1p priority 4
without the remark setting.
DSCP None: user-configurable.
Remark Not configured.
iSCSI session aging time 10 minutes
iSCSI optimization target ports iSCSI well-known ports 3260 and 860 are configured
as default (with no IP address or name) but can be
removed as any other configured target.
iSCSI Optimization Prerequisites
The following are iSCSI optimization prerequisites.
• iSCSI optimization requires LLDP on the switch. LLDP is enabled by default (refer to
Link Aggregation Control Protocol (LACP)).
• iSCSI optimization requires you allocate two ingress ACL groups in CAM, refer to CAM Allocation
NOTE: Before you configure iSCSI optimization, you can ensure that these prerequisites are met by
copying the iSCSI configuration file to the running configuration. The iSCSI configuration file is stored at:
flash:/CONFIG_TEMPLATE/ISCSI_DCB_CONFIG.
Configuring iSCSI Optimization
To configure iSCSI optimization, use the following commands.
1 Globally enable iSCSI optimization on the switch.
CONFIGURATION mode
[no] iscsi enable
iSCSI Optimization 564