3-26
Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual
• December
2004
3.3.5.1
Options
describes options for the
ping
command and how those options can help
troubleshoot the Sun Blade 1500 workstation.
3.3.5.2
Examples
The following examples show output for the
ping
command and its options.
TABLE
3-10
Options for
ping
Option
Description
How It Can Help
hostname
The probe packet is sent to
hostname
and returned.
Verifies that a host is active on the network.
-g
hostname
Forces the probe packet to
route through a specified
gateway.
By identifying different routes to the target host, those
individual routes can be tested for quality.
-i
interface
Designates which interface to
send and receive the probe
packet through.
Enables a simple check of secondary network interfaces.
-n
Replaces host names with IP
addresses.
Used when an address is more beneficial than a host name.
-s
Ping continuously in one
second intervals. Ctrl-C aborts.
Upon abort, statistic are
displayed.
Helps identify intermittent or long-duration network
events. By piping
ping
output to file, activity overnight is
later viewed at once.
-svR
Displays the route the probe
packet followed in one second
intervals.
Indicates probe packet route and number of hops.
Comparing multiple routes can identify bottlenecks.
#
ping -s teddybear
PING teddybear: 56 data bytes
64 bytes from teddybear (192.146.77.140): icmp_seq=0. time=1.
ms
64 bytes from teddybear (192.146.77.140): icmp_seq=1. time=0.
ms
64 bytes from teddybear (192.146.77.140): icmp_seq=2. time=0.
ms
^C
----teddybear PING Statistics----
3 packets transmitted, 3 packets received, 0% packet loss
round-trip (ms) min/avg/max = 0/0/1
Summary of Contents for Sun Blade 1500
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