Sorry, fat fingers.

http://support.microsoft.com/kb/q120642/

TcpTimedWaitDelay is the value that should help you close those sockets
faster. I have to run to a meeting but will try to send more info later.


On 10/30/06, Steve <nbu.admin at gmail.com> wrote:
>
> Here is some info from Microsoft that I reference often.
>
>
>
> On 10/30/06, Dyck, Jonathan <Jonathan.Dyck at cognos.com> wrote:
> >
> > I'm also interested in this topic.  My "netstat -a" looked the same as
> > yours last week David.
> >
> > Last week I ran into an issue where (what I think was..) some security
> > scans on my network for TCP traffic tied up a certain number of ports on
> > my W2k3 master and some NBU processes were unable to interact reliably.
> > Four levels of support were unable to suitably explain the problem to
> > me, and all we ended up doing was throwing in a TCP wait delay into the
> > registry,  which "worked" with middling success.  The issue has since
> > disappeared (mysteriously) - as I assume whatever activity that was
> > happening over those couple of days has since stopped.
> >
> > Cheers,
> > Jon
> >
> >
> >
> > -----Original Message-----
> > From: veritas-bu-bounces at mailman.eng.auburn.edu
> > [mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Clooney,
> > David
> > Sent: Monday, October 30, 2006 5:44 AM
> > To: veritas-bu at mailman.eng.auburn.edu
> > Subject: [Veritas-bu] CLOSE_WAIT
> >
> > Hi All
> >
> > Scenario :
> >
> > Master server Solaris 8
> > Media server windows 2000
> >
> > Over the past weekend we encountered a whole bunch of 219's on jobs
> > using a particular media server, a netstat on the media server provided
> > the below snapshot. The CLOSE_WAIT entries seemed to hang around for
> > ages, additionally hogging sockets. On the master server everything was
> > plodding along as usual.
> >
> > Q1. can anyone explain why these sockets on the media server do not
> > close fully and hang around for quite sometime ? If indeed the master
> > server has not
> >    finalised comms, what (on the master) would be keeping the socket
> > open between the two.
> >
> > Q2. Does anyone know the default setting for the maximum number of
> > simultaneous tcp connections on windows 2000?
> >
> > Q3. If I was to add the registry key to tcp parameters
> > "TcpNumConnections" , what guidelines could I follow to determine the
> > number of connections ?
> >
> > Q4. Not so long ago on the same windows media server I added the
> > registry key to tcp parameters "TcpTimedWaitDelay" in order to clear
> > TIME_WAIT more
> >    quickly. Are there any known issues with windows 2000 and tcp
> > connections that I'm not aware off ?
> >
> > Much appreciated
> >
> > David Clooney
> >
> >
> > TCP    media_server:bpcd       media_server:795        ESTABLISHED
> > TCP    media_server:bpcd       media_server:834        ESTABLISHED
> > TCP    media_server:bpcd       media_server:868        CLOSE_WAIT
> > TCP    media_server:bpcd       media_server:991        CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:551          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:562          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:591          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:610          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:645          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:696          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:768          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:807          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:829          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:830          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:867          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:904          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:919          ESTABLISHED
> > TCP    media_server:bpcd       master_server:976          ESTABLISHED
> > TCP    media_server:bpcd       master_server:982          CLOSE_WAIT
> > TCP    media_server:bpcd       master_server:1008         ESTABLISHED
> > TCP    media_server:bpcd       master_server:1023         ESTABLISHED
> >
> >
> >
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