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Thanks, this looks like it may help. 


Kat Kruse
IT Engineer
Qualcomm, Inc.
kkruse@xxxxxxxxxxxx
(858) 845-0014

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Scott Klement
Sent: Monday, May 01, 2006 12:32
To: Midrange Systems Technical Discussion
Subject: Re: Ping to a specific port


Unfortunately, PING doesn't have any notion of ports.  It tests at a
lower level where ports don't exist.

I wrote a CL command called CHKSVR that checks to see if a TCP server is
responding to a particular port.  It's part of an article for my
newsletter.

If you have a Pro (or ProVIP) membership with the iSeriesNetwork, then
you can read that article at the following link:
http://www.iseriesnetwork.com/provipcenter/index.cfm?fuseaction=ShowNews
letterIssue&ID=20095

Even if you don't have a membership, you should still be able to get the
code from the following link:
http://www.iseriesnetwork.com/noderesources/code/clubtechcode/ChkSvr.zip

Once the code is compiled, you can do this:

    CHKSVR HOST(example.com) PORT(1234) TIMEOUT(10)

and it'll try to contact port 1234 on example.com. If it receives no
response it'll time out after 10 seconds.  If it times out or an error
occurs, it'll send back an *ESCAPE message.  This way, you can use it
from a CL program if you like.  Here's a quick (untested) example:

     PGM

         /* Check if web server is up */
         CHKSVR HOST(localhost) PORT(80) TIMEOUT(5)
         MONMSG MSGID(CPF0000 CPE0000) EXEC(DO)
            SNDMSG MSG('Web server is down!') TOUSR(QSYSOPR)
         ENDDO

     ENDDO

---
Scott Klement  http://www.scottklement.com

On Mon, 1 May 2006, Kruse, Kat wrote:
>
> I know there is some way to test ports between systems without using 
> telnet (not allowed in my environment).  My monitoring (Messenger
> Console) does it but I can't figure out how.
>
> Is there a way to ping to a specific port?
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