Unicast Reverse Path Forwarding Feasibility

The following table provides support information about uRPF.
Note: uRPF is not supported on ICX 8200 devices.

uRPF Feasibility

Device Configurable Mode ECMP Route Supported Default Route Lookup Control Non-Tunneled Tunneled
  IPv4 IPv6 IPv4 IPv6
ICX 7850, ICX 7650, ICX 7550 Strict mode

(Interface configuration)

Yes Yes Yes Yes No No
Loose mode

(Interface configuration)

NA Yes Yes Yes No No
Note: In strict mode (interface configuration), if the number of ECMP paths for a route is more than eight, the hardware will apply loose mode check for the SIP check, even if the interface is configured as strict mode.
Parent topic: Unicast Reverse Path Forwarding