Referring to the exhibit, which counter indicates a possible denial of service attack? user@R1> show pfe statistics traffic Packet Forwarding Engine traffic statistics: Input packets: 47593914461368…

Referring to the exhibit, which counter indicates a possible denial of service attack? user@R1> show pfe statistics traffic Packet Forwarding Engine traffic statistics:

Input packets: 47593914461368 2 pps Output packets: 28805646 3 pps Packet Forwarding Engine local traffic statistics:

Local packets input : 36278104324 Local packets output : 2 Software input control plane drops : 0 Software input high drops : 0 Software input medium drops : 0 Software input low drops : 0 Software output drops : 0 Hardware input drops : 191367536738 Packet Forwarding Engine local protocol statistics:

HDLC keepalives : 0 ATM OAM : 0 Frame Relay LMI : 0 PPP LCP/NCP : 0 OSPF hello : 3883169 OSPF3 hello : 0 RSVP hello : 1440704 LDP hello : 4782297 BFD : 0 IS-IS IIH : 0 LACP : 0 ARP : 765512 ETHER OAM : 0 Unknown : 1897610 Packet Forwarding Engine hardware discard statistics:

Timeout : 0 Truncated key : 0 Bits to test : 0 Data error : 0 Stack underflow : 0 Stack overflow : 0 Normal discard : 191367536738 Extended discard : 0 Invalid interface : 0 Info cell drops : 191367536738 Fabric drops : 191367536738 Packet Forwarding Engine Input IPv4 Header Checksum Error and Output MTU Error statistics: Input Checksum : 0 Output MTU : 0