Administrator Guide

Layer 2 Switching Commands 563
console(config)#iscsi cos dscp 41 remark
iscsi enable
The iscsi enable command globally enables iSCSI optimization. To disable
iSCSI optimization, use the no form of this command.
Syntax
iscsi enable
no iscsi enable
Default Configuration
iSCSI is enabled by default.
Command Mode
Global Configuration mode
User Guidelines
This command modifies the running config to enable flow control on all
interfaces.
Connectivity fault management is not compatible with iSCSI monitoring.
Disable CFM before enabling iSCSI monitoring.
Monitoring for EqualLogic Storage arrays via LLDP is also enabled by this
command. Upon detection of an EQL array, the specific interface involved
will have spanning-tree portfast enabled and unicast storm control disabled.
These changes appear in the running config. Disabling iSCSI Optimization
does not disable flow control, portfast or storm control configuration applied
as a result of enabling iSCSI Optimization.
On the N4000 switches, enabling iSCSI will locally generate a DCBX
Application Priority TLV with the following parameters when the following
conditions are met:
•DCBX is enabled
• CoS Queuing is enabled on the port using VPT (
iscsi cos enable )
The Application Priority TLV sent will contain the following information in
addition to any other information contained in the TLV:
2CSNXXX_SWUM204.book Page 563 Monday, January 25, 2016 1:25 PM