juniper@R1> monitor traffic interface ge-0/0/0    
verbose output suppressed, use <detail> or <extensive> for full protocol decode
Address resolution is ON. Use <no-resolve> to avoid any reverse lookup delay.
Address resolution timeout is 4s.
Listening on ge-0/0/0, capture size 96 bytes

Reverse lookup for 12.1.1.1 failed (check DNS reachability).
Other reverse lookup failures will not be reported.
Use <no-resolve> to avoid reverse lookups on IP addresses.

05:54:36.375779  In IP 12.1.1.2 > 12.1.1.1: ICMP echo request, id 404, seq 0, length 1480
05:54:36.375820  In IP 12.1.1.2 > 12.1.1.1: icmp
05:54:36.375858 Out IP truncated-ip - 1440 bytes missing! 12.1.1.1 > 12.1.1.2: ICMP echo reply, id 404, seq 0, length 1480
05:54:36.375869 Out IP truncated-ip - 88 bytes missing! 12.1.1.1 > 12.1.1.2: icmp
05:54:36.384763  In IP 12.1.1.2 > 12.1.1.1: ICMP echo request, id 404, seq 1, length 1480
05:54:36.384802  In IP 12.1.1.2 > 12.1.1.1: icmp
05:54:36.384838 Out IP truncated-ip - 1440 bytes missing! 12.1.1.1 > 12.1.1.2: ICMP echo reply, id 404, seq 1, length 1480
05:54:36.384911 Out IP truncated-ip - 88 bytes missing! 12.1.1.1 > 12.1.1.2: icmp
05:54:36.391640  In IP 12.1.1.2 > 12.1.1.1: ICMP echo request, id 404, seq 2, length 1480
05:54:36.391680  In IP 12.1.1.2 > 12.1.1.1: icmp
05:54:36.391715 Out IP truncated-ip - 1440 bytes missing! 12.1.1.1 > 12.1.1.2: ICMP echo reply, id 404, seq 2, length 1480
05:54:36.391726 Out IP truncated-ip - 88 bytes missing! 12.1.1.1 > 12.1.1.2: icmp
05:54:36.397517  In IP 12.1.1.2 > 12.1.1.1: ICMP echo request, id 404, seq 3, length 1480
05:54:36.397561  In IP 12.1.1.2 > 12.1.1.1: icmp
05:54:36.397598 Out IP truncated-ip - 1440 bytes missing! 12.1.1.1 > 12.1.1.2: ICMP echo reply, id 404, seq 3, length 1480
05:54:36.397610 Out IP truncated-ip - 88 bytes missing! 12.1.1.1 > 12.1.1.2: icmp
05:54:36.402727  In IP 12.1.1.2 > 12.1.1.1: ICMP echo request, id 404, seq 4, length 1480
05:54:36.402765  In IP 12.1.1.2 > 12.1.1.1: icmp
05:54:36.402801 Out IP truncated-ip - 1440 bytes missing! 12.1.1.1 > 12.1.1.2: ICMP echo reply, id 404, seq 4, length 1480
05:54:36.402866 Out IP truncated-ip - 88 bytes missing! 12.1.1.1 > 12.1.1.2: icmp
^C
20 packets received by filter
0 packets dropped by kernel

juniper@R1>