Brocade MLX Series and Brocade NetIron XMR Diagnostic Guide ...

10LP CPU packet statisticsTABLE 6FieldOutput from the show lp-cpu packet statistics command (Continued)DescriptionARP packets captured for DAIARP packets failed DAIThe number of ARP packets captured for Dynamic ARP Inspection (DAI).The number of DAI-failed ARP Packets.TABLE 7 Packet drop causes for LP CPU countersDrop CategoryDropcodeDrop messageDrop descriptionPost Processing (PP)DropsConfiguration Violation(CV) Drops1 Layer 2 packet forwarded in hardware (PP) A Layer 2 packet is forwarded inhardware, and a copy of the packetis sent to the CPU for source MAClearning.2 Layer 3 packet forwarded in hardware (PP) A Layer 3 packet is forwarded inhardware, and a copy of the packetis sent to the CPU for source MAClearning.3 IPv4 RPF logging packet (PP) An IPv4 packet is dropped becauseof the RPF check failure, and thepacket is sent to the CPU for logging.4 IPv6 RPF logging packet (PP) A n IPv6 packet is dropped becauseof the RPF check failure, and thepacket is sent to the CPU for logging.5 IPv4 multicast filtering drop (PP) An IPv4 multicast packet is receivedfor a group with no receivers. IPv4multicast filtering is enabled.6 IPv6 multicast filtering drop (PP) An IPv6 multicast packet is receivedfor a group with no receivers. IPv6multicast filtering is enabled.7 ACL logging packet (PP) A packet is dropped because of ACLfiltering, and the packet is sent to theCPU for logging.8 Packet received for sFlow sampling (PP) A packet is forwarded in hardware,and a copy of the packet is sent tothe CPU for sFlow sampling.9 IP packet forwarded as fragments anddropped the original (PP)The IP packet is sent as fragments,and the original packet is dropped.10 L3 multicast drop A packet is dropped in multicastprocessing.11 Reserved UDLD packet (PP) A Brocade UDLD packet is processedand dropped.12 PBB Packet for source MAC learning (PP) A PBB packet is sent to software forsoftware MAC learning.13 PBB Packet for software s-flooding (PP) The original packet is dropped insoftware, and copies of the packetare sent to the provider edge ports.14 Route-only enabled (CV) A switch is configured in route-onlymode, and the Layer 2 packetreceived is dropped.354 Brocade MLX Series and Brocade NetIron XMR Diagnostic Guide53-1002426-02