Urpf Configuration Commands (Available Only On The A5500 Ei); Ip Urpf - HP A5500 EI Command Reference Manual

URPF configuration commands (available only
on the A5500 EI)
NOTE:
The term router in this document refers to both routers and Layer 3 switches.

ip urpf

Syntax
ip urpf strict
undo ip urpf
View
System view
Default level
2: System level
Parameters
None
Description
Use the ip urpf command to enable URPF check.
Use the undo ip urpf command to disable URPF check.
By default, URPF check is disabled.
NOTE:

The routing table size is decreased by half when URPF is enabled on the HP A5500 EI Switch Series.

To prevent loss of route entries and packets, you cannot enable URPF on the switch if the number of route entries
the switch maintains exceeds half the routing table size.
Examples
# Enable strict URPF check.
<Sysname> system-view
[Sysname] ip urpf strict
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