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Top Forums Shell Programming and Scripting How to check if a Port is accepting connections. Post 302342278 by amitranjansahu on Saturday 8th of August 2009 11:14:53 AM
Old 08-08-2009
Code:
MACHINE=8.8.3.201
PORT=2071
exec 3>/dev/tcp/${MACHINE}/${PORT}
if [ $? -eq 0 ]
then
    echo "Port accepting connections"
else
    echo " connections not possible"
fi

 

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IBCHECKPORTSTATE(8)						OpenIB Diagnostics					       IBCHECKPORTSTATE(8)

NAME
ibcheckportstate - validate IB port for LinkUp and not Active state SYNOPSIS
ibcheckportstate [-h] [-v] [-N | -nocolor] [-G] [-C ca_name] [-P ca_port] [-t(imeout) timeout_ms] <lid|guid> <port> DESCRIPTION
Check connectivity and check the specified port for proper port state (Active) and port physical state (LinkUp). Port address is a lid unless -G option is used to specify a GUID address. OPTIONS
-G use GUID address argument. In most cases, it is the Port GUID. Example: "0x08f1040023" -v increase the verbosity level -N | -nocolor use mono rather than color mode -C <ca_name> use the specified ca_name. -P <ca_port> use the specified ca_port. -t <timeout_ms> override the default timeout for the solicited mads. EXAMPLE
ibcheckportstate 2 3 # check lid 2 port 3 SEE ALSO
smpquery(8), ibaddr(8) AUTHOR
Hal Rosenstock <halr@voltaire.com> OpenIB May 21, 2007 IBCHECKPORTSTATE(8)
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