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Command/Response Reference Section 11-3
3. Always 0.
4. Total number of outputs of each packet type during ICMP output. The 19
statistical values are returned in the order shown below. Contents are de-
fined for 13 types only; all other types contain 0. Only #0, #3, #14, #16, and
#18 are counted by the Ethernet Unit.
5. The number of received ICMP packets discarded because the type-indica-
tion code was out of range.
6. The number of received ICMP packets discarded because the overall
packet length value in the packet header was smaller than the minimum
ICMP packet length.
7. The number of received ICMP packets discarded because of an incorrect
checksum value in the packet header.
8. The number of received ICMP packets discarded because the ICMP head-
er length value in the packet header did not match the lengths of individual
header types.
9. The number of responses returned to received ICMP packets requiring a
response.
Type number Description
#0 Echo reply
#1, #2 Undefined, always 0
#3 Destination unreachable
#4 Source quench
#5 Routing redirect
#6, #7 Undefined, always 0
#8 Echo
#9, #10 Undefined, always 0
#11 Time exceeded
#12 Parameter problem
#13 Time stamp
#14 Time stamp reply
#15 Information request
#16 Information request reply
#17 Address mask request
#18 Address mask reply
4 bytes
#0 #2 #3 #5 #15 #17 #18#4#1
#16
to