Case 8000 Series Reference Manual page 82

IP: Short Packets
The number of IP datagrams that were too small.
IP: Version err
The number of IP datagrams that had an incorrect version number.
ICMP: Echo request
The number of echo request messages which have been received and sent.
(Receipt of an echo request message causes an echo reply to be sent.)
ICMP: Dest unreach
The number of destination unreachable messages which have been
received and sent (failure to deliver an IP datagram causes one of these
messages to be sent).
ICMP : Srce Quench
The number of source quench messages which have been received and sent
(these messages are generated by the Router when an IP datagram is
discarded due to congestion).
ICMP : Time exceed
The number of time exceeded messages which have been received and sent
(sent to a datagram's source when a datagrams hop count reaches zero or a
timeout occurs whilst waiting for a fragment of a datagram).
X870-300351 Issue 1 4-50 Rev.0