568 | iSCSI Optimization
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4 (Optional) Configure the iSCSI target ports and
optionally the IP addresses on which iSCSI
communication will be monitored, where:
• tcp-port-n is the TCP port number or a list of TCP
port numbers on which the iSCSI target listens to
requests. You can configure up to 16 target TCP
ports on the switch in one command or multiple
commands. Default: 860, 3260. Separate port
numbers with a comma.
• ip-address specifies the IP address of the iSCSI
target. When you enter the no form of the
command, and the TCP port to be deleted is one
bound to a specific IP address, the IP address value
must be included in the command.
[no] iscsi target port
tcp-port-1
[tcp-port-2...tcp-port-16]
[address ip-address]
CONFIGURATION
5 (Optional) Set the QoS policy that will be applied to
iSCSI flows, where:
• enable: enables the application of preferential QoS
treatment to iSCSI traffic so that iSCSI packets are
scheduled in the switch with a dot1p priority 4
regardless of the VLAN priority tag in the packet.
Default: iSCSI packets are handled with dotp1
priority 4 without remark.
• disable: disables the application of preferential
QoS treatment to iSCSI frames.
• dot1p vlan-priority-value: specifies the VLAN
priority tag assigned to incoming packets in an
iSCSI session. Range: 0 to 7. Default: The dot1p
value in ingress iSCSI frames is not changed and is
used in iSCSI TLV advertisements if the iscsi
priority-bits
command is not entered (Step 5).
• dscp dscp-value: specifies the DSCP value
assigned to incoming packets in an iSCSI session.
Range: 0 to 63. Default: The DSCP value in
ingress packets is not changed.
• remark: marks incoming iSCSI packets with the
configured dot1p or DSCP value when they egress
the switch. Default: The dot1and DSCP values in
egress packets are not changed.
[no] iscsi cos {enable |
disable | dot1p
vlan-priority-value [remark] |
dscp dscp-value [remark]}
CONFIGURATION
6 (Optional) Set the aging time for iSCSI session
monitoring.
Range: 5 to 43,200 minutes.
Default: 10 minutes.
[no] iscsi aging time time
CONFIGURATION
7 (Optional) Configures DCBX to send iSCSI TLV
advertisements. You can configure iSCSI TLVs to be
sent either globally or on a specified interface. The
interface configuration takes priority over global
configuration.
Default: Enabled.
[no] advertise dcbx-app-tlv
iscsi
CONFIGURATION
or
INTERFACE
8 (Optional) Configures the priority bitmap to be
advertised in iSCSI application TLVs.
Default: 4 (0x10 in the bitmap).
[no] iscsi priority-bits
CONFIGURATION
Step Task Command Command Mode
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