Sun Microsystems SPARC Enterprise M4000 Installation Manual page 68

B.3.5 Using the 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.
B.3.5.1 Options
TABLE B-7
troubleshooting.
Options for
TABLE B-7
Option Description
hostname The probe packet is sent to
hostname and returned.
-g hostname Forces the probe packet to
route through a specified
gateway.
interface Designates which interface to
-i
send and receive the probe
packet through.
Replaces host names with IP
-n
addresses.
Pings continuously in one-
-s
second intervals. Ctrl-C
aborts. Upon abort, statistics
are displayed.
Displays the route the probe
-svR
packet followed in one-second
intervals.
B-16 SPARC Enterprise M4000/M5000 Servers Service Manual • November 2008
describes options for the ping command and how those options can help
ping
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
overnight can later be viewed at once.
Indicates probe packet route and number of hops.
Comparing multiple routes can identify bottlenecks.
output to a file, activity