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These two features help reduce I/O time for small write commands because it removes one round-trip
between the initiator and the target for the R2T PDU. As an iSCSI target, the MDS switch allows up to
64 KB of unsolicited data per command. This is controlled by the FirstBurstLength parameter during
iSCSI login negotiation phase.
If an iSCSI initiator supports immediate data and unsolicited data features, these features are
automatically enabled on the MDS switch with no configuration required.
iSCSI Interface Advanced Features
iSCSI Listener Port
TCP Tuning Parameters
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defaults are max-bandwidth = 1G, min-available-bandwidth = 70 Mbps, and round-trip-time =1
ms.), buffer size (default send buffer size for iSCSI is 4096 KB), window congestion (enabled by
default and the default burst size is 50 KB), and maximum delay jitter (enabled by default and the
default time is 500 microseconds.).
See the “Minimum Retransmit Timeout” section on page 33-8, “Keepalive Timeout” section on
page 33-8, “Maximum Retransmissions” section on page 33-9, “Path MTUs” section on page 33-9,
“Monitoring Congestion” section on page 33-10 and “Estimating Maximum Jitter” section on
page 33-11.
Enters configuration mode.
Selects the iSCSI interface on the switch.