Dell PowerConnect 7024, Руководство пользователя

Страница: 433 / 1234

Configuring iSCSI Optimization
433
Class of Service → Mapping Table Configuration page to configure the
relevant Class of Service parameters for the queue in order to complete the
setting.
You can configure whether iSCSI frames are remarked to contain the
configured VLAN priority tag or IP DSCP when forwarded through the
switch.
What Information Does the Switch Track in iSCSI Traffic Flows?
Packets are examined to find the following data, which is used in tracking the
session and creating the classifier entries that enable QoS treatment:
• Initiator's IP Address
• Target's IP Address
• ISID (Initiator defined session identifier)
• Initiator's IQN (iSCSI Qualified Name)
• Target's IQN
• Initiator's TCP Port
• Target's TCP Port
If no iSCSI traffic is detected for a session for a configurable aging period, the
session data is cleared.
How Does iSCSI Optimization Interact With Dell EqualLogic Arrays?
The iSCSI feature includes auto-provisioning support with the ability to
detect Dell EqualLogic SAN storage arrays on the network and automatically
reconfigure the switch to enhance storage traffic flows.
The PowerConnect 7000 Series switch uses LLDP, a vendor-neutral protocol,
to discover Dell EqualLogic devices on the network. LLDP is enabled by
default. For more information about LLDP, see "Discovering Network
Devices" on page 659.
When the switch detects a Dell EqualLogic array, the following actions occur:
• Spanning-Tree portfast is enabled on the interface identified by LLDP.
• Unicast storm control is disabled on the interface identified by LLDP.