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Why does ping -s display other ICMP messages besides replies ? (Doc ID 1414588.1)

Last updated on APRIL 24, 2020

Applies to:

Solaris Operating System - Version 8.0 to 11 11/11 [Release 8.0 to 11.0]
Information in this document applies to any platform.

Symptoms

Using ping -s, sometimes displays other unrelated ICMP messages.

example:

# ping -s localhost

PING localhost: 56 data bytes

64 bytes from localhost (127.0.0.1): icmp_seq=0. time=0.138 ms

64 bytes from localhost (127.0.0.1): icmp_seq=1. time=0.0620 ms

64 bytes from localhost (127.0.0.1): icmp_seq=2. time=0.0600 ms

ICMP Port Unreachable from gateway localhost (127.0.0.1)

 for udp from localhost (127.0.0.1) to localhost (127.0.0.1) port 33434

ICMP Port Unreachable from gateway localhost (127.0.0.1)

 for udp from localhost (127.0.0.1) to localhost (127.0.0.1) port 33435

ICMP Port Unreachable from gateway localhost (127.0.0.1)

 for udp from localhost (127.0.0.1) to localhost (127.0.0.1) port 33436

64 bytes from localhost (127.0.0.1): icmp_seq=3. time=0.0630 ms

64 bytes from localhost (127.0.0.1): icmp_seq=4. time=0.0480 ms

64 bytes from localhost (127.0.0.1): icmp_seq=5. time=0.0650 ms

64 bytes from localhost (127.0.0.1): icmp_seq=6. time=0.0780 ms

64 bytes from localhost (127.0.0.1): icmp_seq=7. time=0.0510 ms

64 bytes from localhost (127.0.0.1): icmp_seq=8. time=0.0600 ms

^C

----localhost PING Statistics----

Cause

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