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Note: If you want to configure unicast RPF, your routing platform must be equipped with the Internet Processor II application-specific integrated circuit (ASIC). If you enable unicast RPF on live traffic, some packets are dropped while the packet forwarding components are updating. For transit packets exiting the router through the tunnel, forwarding path features, such as RPF, forwarding table filtering, source class usage, and destination class usage are not supported on the interfaces you configure as the output interface for tunnel traffic. For firewall filtering, you must allow the output tunnel packets through the firewall filter applied to input traffic on the interface that is the next-hop interface towards the tunnel destination. |
