D-Link DSN-3400-20 User Guide - Page 100

Managing Management and Ethernet Ports and Portals

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Figure 6-4. Example of Port Tab 2. To change the MTU size, select a value from the MTU Size drop-down list. The standard MTU size (and default value) is 1500. However, you can select a larger value if your iSCSI network can handle a larger frame size to see whether it improves performance. Selecting a higher MTU value (known in the industry as "jumbo frames") requires all network equipment involved, such as switches, to be capable of and configured to handle an MTU of at least 4088 or 9000, depending on your selection. Note that the xStack Storage system can only have up to four Ethernet ports connected to the SAN if 9000 is selected. 3. Click the Apply button. 4. If you changed the MTU setting, restart the xStack Storage system to have the new setting take effect. 90 Chapter 6 Managing Management and Ethernet Ports and Portals

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90
Chapter 6
Managing Management and Ethernet Ports and Portals
Figure 6-4. Example of Port Tab
2.
To change the MTU size, select a value from the
MTU Size
drop-down list.
3.
Click the
Apply
button.
4.
If you changed the MTU setting, restart the xStack Storage system to have the new
setting take effect.
The standard MTU size (and default value) is 1500. However, you can select
a larger value if your iSCSI network can handle a larger frame size to see
whether it improves performance. Selecting a higher MTU value (known in
the industry as “jumbo frames”) requires all network equipment involved,
such as switches, to be capable of and configured to handle an MTU of at
least 4088 or 9000, depending on your selection.
Note that the xStack Storage system can only have up to four Ethernet ports
connected to the SAN if 9000 is selected.