NTX_PING(1) — USER COMMANDS
NAME
ntx_ping − send ICMP ECHO_REQUEST packets to network hosts
SYNOPSIS
ntx_ping [ −d device ] [ −t timeout ] host
DESCRIPTION
Ntx_ping interfaces with the downloaded MVME339 Diagnostic Application to send an ICMP ECHO_REQUEST datagram to host expecting an ECHO_RESPONSE datagram in return. The datagrams are 64 bytes in length. If host responds within timeout seconds, ntx_ping will print "host is alive"; otherwise it will print "no answer from host."
Host may be specified by name or by Internet dot notation.
OPTIONS
−dSet the MVME339 raw device file name. This option will override the default MVME339 device name of /dev/xedt/mvme338_c0.
−tThe time to wait in seconds for the host to respond. The default value is 20 seconds.
EXAMPLES
The following example "pings" host fred:
ntx_ping fred
FILES
/dev/xedt/mvme338_c0
~/include/st.diag.h
SEE ALSO
rhp (7)
WARNINGS
You can only kill the program with a "kill [−signal] process_id" command. Do not use "kill −9" since the diagnostic channel will not be properly closed.