Dell Broadcom NetXtreme Family of Adapters Broadcom NetXtreme 57XX User Guide - Page 96

Configuring the IP Address for iSCSI Offload, Viewing Licenses

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4. If allocating iSCSI connections, select the iSCSI check box and slide the bar or enter a number in the value box. This is the maximum number of connections available for iSCSI offload. Increasing the number in Pending Tasks Per Connection (when 100% of the pre-allocated resources are already in use) reduces the overall number of allocated connections. For example, if 100% of the offload resources are already pre-allocated for both TOE and iSCSI offload connections, then the number of TOE connections is reduced as the number of pending tasks per iSCSI connection is increased. If 100% of the resources are pre-allocated for iSCSI connections only, then increasing the number of pending tasks reduces the total number of pre-allocated iSCSI connections. 5. After the configurations are complete, click Apply to save the settings or click Reset to revert back to the previous settings. A chart of the resource allocations appears below the resource configurations. 6. If prompted, reboot the system. Table 2: Maximum Number of Offload Connections Offload First Come First Served Reserved Resources Maximum Number of Connections TOE only Selected - 1024 TOE only - Selected 864 iSCSI only Selected - Between 7 and 100 iSCSI only - Selected 28 Configuring the IP Address for iSCSI Offload For iSCSI-booted adapters, the Configurations tab is not available and you will not be able to perform this procedure. To set the IP address of the iSCSI HBA for iSCSI offload The iSCSI Management section of the Configurations tab allows you to set the IP address of the iSCSI HBA when using iSCSI protocol to offload network processing from the CPU to the Broadcom network adapter. 1. Click the name of the Broadcom NetXtreme II iSCSI device in the SCSI controller section of the Device Management pane. 2. Depending on the protocol you will be using, for IPv4 DHCP or IPv6 DHCP, select Enable (not available for iSCSI booted adapters) to set the IP address dynamically using a DHCP server. Or select Disable to set the IP address using a static IP address. Enter the IP Address, Subnet Mask, and Default Gateway. 3. Configure the VLAN ID for the iSCSI HBA by entering a number for VLAN ID. The value must be between 0 and 4094. 4. After the configurations are complete, click Apply to save the settings or click Reset to revert back to the previous settings. Viewing Licenses NOTES: The Licenses section of the Configurations tab is only available for Broadcom NetXtreme II adapters and VBD drivers. Not all offload technologies are available with all adapters. The Licenses section shows the number of connections available for TOE and iSCSI offload technologies. To view licenses 1. Click the name of the Broadcom NetXtreme II system device in the Device Management pane. 2. Click the Configurations tab. If the Configurations tab is not visible, then from the View menu, select Navigate, then Device Management,

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4. If allocating iSCSI connections, select the
iSCSI
check box and slide the bar or enter a number in the value box. This is the maximum number of
connections available for iSCSI offload.
Increasing the number in
Pending Tasks Per Connection
(when 100% of the pre-allocated resources are already in use) reduces the overall
number of allocated connections. For example, if 100% of the offload resources are already pre-allocated for both TOE and iSCSI offload
connections, then the number of TOE connections is reduced as the number of pending tasks per iSCSI connection is increased. If 100% of the
resources are pre-allocated for iSCSI connections only, then increasing the number of pending tasks reduces the total number of pre-allocated
iSCSI connections.
5. After the configurations are complete, click
Apply
to save the settings or click
Reset
to revert back to the previous settings. A chart of the resource
allocations appears below the resource configurations.
6. If prompted, reboot the system.
Table 2: Maximum Number of Offload Connections
Offload
First Come First Served
Reserved Resources
Maximum Number of Connections
TOE only
Selected
–
1024
TOE only
–
Selected
864
iSCSI only
Selected
–
Between 7 and 100
iSCSI only
–
Selected
28
Configuring the IP Address for iSCSI Offload
For iSCSI-booted adapters, the Configurations tab is not available and you will not be able to perform this procedure.
To set the IP address of the iSCSI HBA for iSCSI offload
The
iSCSI Management
section of the
Configurations
tab allows you to set the IP address of the iSCSI HBA when using iSCSI protocol to offload
network processing from the CPU to the Broadcom network adapter.
1. Click the name of the Broadcom NetXtreme II iSCSI device in the SCSI controller section of the Device Management pane.
2. Depending on the protocol you will be using, for
IPv4 DHCP
or
IPv6 DHCP
, select
Enable
(not available for iSCSI booted adapters) to set the IP
address dynamically using a DHCP server. Or select
Disable
to set the IP address using a static IP address. Enter the
IP Address
,
Subnet Mask
,
and
Default Gateway
.
3. Configure the VLAN ID for the iSCSI HBA by entering a number for
VLAN ID
. The value must be between 0 and 4094.
4. After the configurations are complete, click
Apply
to save the settings or click
Reset
to revert back to the previous settings.
Viewing Licenses
NOTES:
The
Licenses
section of the
Configurations
tab is only available for Broadcom NetXtreme II adapters and VBD drivers.
Not all offload technologies are available with all adapters.
The
Licenses
section shows the number of connections available for TOE and iSCSI offload technologies.
To view licenses
1. Click the name of the Broadcom NetXtreme II system device in the Device Management pane.
2. Click the
Configurations
tab. If the
Configurations
tab is not visible, then from the
View
menu, select
Navigate
, then
Device Management
,