Reference Guide

Defaults 10 minutes
Command
Modes
CONFIGURATION
Command
History
Version 9.0(1.3) Introduced on the S5000.
iscsi cos
Set the QoS policy that is applied to the iSCSI flows.
S5000
Syntax
iscsi cos {enable | disable | dot1p vlan-priority-value
[remark] | dscp dscp-value [remark]}
To disable the QoS policy, use the no iscsi cos dscp command.
Parameters
enable Enter the keyword enable to allow the application of
preferential QoS treatment to iSCSI traffic so that the iSCSI
packets are scheduled in the switch with a dot1p priority 4
regardless of the VLAN priority tag in the packet. The default
is: the iSCSI packets are handled with dotp1 priority 4
without remark.
disable Enter the keyword disable to disable the application of
preferential QoS treatment to iSCSI frames.
dot1p vlan-
priority-value
Enter the dot1p value of the VLAN priority tag assigned to the
incoming packets in an iSCSI session. The range is 0 to 7.
The default is the dot1p value in ingress iSCSI frames is not
changed and is used in iSCSI TLV advertisements if you did
not enter the iscsi priority-bits command.
dscp dscp-
value
Enter the DSCP value assigned to the incoming packets in an
iSCSI session. The valid range is 0 to 63. The default is: the
DSCP value in ingress packets is not changed.
remark Marks the incoming iSCSI packets with the configured dot1p
or DSCP value when they egress to the switch. The default is:
the dot1and DSCP values in egress packets are not changed.
Defaults See Parameters.
Command
Modes
CONFIGURATION
Command
History
Version 9.0(1.3) Introduced on the S5000.
800
iSCSI Optimization