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Network Command Reference
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Netref
Ping - Linux
OS:
UNIX
Function:
ICMP
ping
Summary
The ping command tests whether another host or router on the Internet is reachable.
Detailed Description
The ping command sends an ICMP Echo Request datagram to an interface and expects an ICMP Echo Reply datagram in return.
ping
continues to send packets until you interrupt the command with the Ctrl-C keys.
It is recommended to always send at least two ICMP Echo Request packets. It is observed that the first ICMP Echo Request may often be dropped at the receiver.
Command Syntax
ping
[
-LRUbdfnqrvVaAB
] [
-c
count
] [
-i
interval
] [
-l
preload
] [
-p
pattern
] [
-s
packetsize
] [
-t
ttl
] [
-w
deadline
] [
-F
flowlabel
] [
-I
interface
] [
-M
hint
] [
-Q
tos
] [
-S
sndbuf
] [
-T
timestamp option
] [
-W
timeout
] [
hop
...
]
destination
http://linux.die.net/man/8/ping
Example
From PC1, send five ping messages to PC2
PC1% ping -c 5 10.0.1.12
