D-Link xStack Reference Manual page 312

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xStack DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide
Mode Select the URPF checking mode. Options to choose from are Disabled, Loose, and Strict.
Disabled – This option specifies that the URPF checking mode option will be disabled.
Loose – This option specifies that it will merely verify whether the source IP address is
present in the routing table.
Strict – This option specifies to perform checks to ensure that the SIP address is present in
the routing table and the incoming Layer 3 interface matches the SIP's Layer 3 interface in
the routing table.
Default Route After selecting Loose or Strict as the Mode, this option will available for configuration.
Check Select to enable or disable to option to perform a URPF check on the default route in the
routing table. Options to choose from are Enabled and Disabled.
Enabled - Specifies that if the source IP address of the incoming packet only matches the
default route, the packet will be dropped.
Disabled - Specifies that if the source IP address of the incoming packet only matches the
default route, the packet will be passed.
Click the Apply button to accept the changes made for each individual section.
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