Ping Command - Fujitsu SPARC Enterprise M8000 Service Manual

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2.9.5

ping Command

The ping command sends ICMP ECHO_REQUEST packets to network hosts. Depending
on how the ping command is configured, the output displayed can identify troublesome
network links or nodes. The destination host is specified in the variable hostname.
2.9.5.1 Options
TABLE 2-17
troubleshooting.
Options for ping
TABLE 2-17
Option Description
hostname The probe packet is sent to hostname and returned.
-g hostname Forces the probe packet to route through a specified gateway.
-i interface Designates which interface to send and receive the probe packet
through.
Replaces host names with IP addresses.
-n
Pings continuously in one-second intervals. Ctrl-C aborts. Upon
-s
abort, statistics are displayed.
-svR Displays the route the probe packet followed in one second
intervals.
2-46 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
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describes options for the ping command and how those options can help
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How It Can Help
Verifies that a host is active on the
network.
By identifying different routes to the
target host, those individual routes can
be tested for quality.
Enables a simple check of secondary
network interfaces.
Used when an address is more
beneficial than a host name.
Helps identify intermittent or
long-duration network events. By
piping ping output to a file, activity
overnight can later be viewed at once.
Indicates probe packet route and
number of hops. Comparing multiple
routes can identify bottlenecks.