3Com S7906E Command Reference Manual page 606

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URPF Configuration Commands
URPF Configuration Commands
ip urpf strict
Syntax
ip urpf strict
undo ip urpf
View
Interface view
Default Level
2: System level
Parameters
None
Description
Use the ip urpf strict command to enable URPF check.
Use the undo ip urpf command to disable URPF check.
By default, URPF check is disabled.
After URPF is enabled on an S7900E switch, the routing table capacity on a board may decrease to a
half. For details, refer to the section of configuring URPF in the operation manual.
Examples
# Enable URPF check.
<Sysname> system-view
[Sysname] ip urpf strict
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