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Static ARP Entries on Server

 
 
shauncarter1
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      01-31-2008, 01:49 PM
I have a Server 2003 that does DHCP and file/print services. Note this is a
SP2 W2k3 box with the latest updates. For some reason various DHCP clients
cannot establish connectivity with the server. Upon further investigation I
noticed that there were static entries in the arp cache on the server.
Clearing these with an "arp -d *", resolves the connectivity issue. However,
the same thing occurs about two hours later. I have worked around this issue
thus far by writing a script that runs the "arp -d *" command every 5
minutes, but I need a more solid fix. Anyone seen this before?

Thanks in advance.
 
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Phillip Windell
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      01-31-2008, 03:26 PM
Static entries do not enter themselves back in.
Those are dynamic entries, not static

They are not the problem,...they are a symptom of a networking issue
somewhere else.

You need to stop the script and allow the entries to happen again. You can
not solve a problem if you can't duplicate it and see it. You need to take
careful note of exactly what MAC addresses are actually involved and find
out exactly what devices they belong to. I suspect you have a problem with
the way the network has been "cabled".

--
Phillip Windell
www.wandtv.com

The views expressed, are my own and not those of my employer, or Microsoft,
or anyone else associated with me, including my cats.
-----------------------------------------------------

"shauncarter1" <(E-Mail Removed)> wrote in message
news:4298D37D-5A09-4BFF-88AF-(E-Mail Removed)...
>I have a Server 2003 that does DHCP and file/print services. Note this is
>a
> SP2 W2k3 box with the latest updates. For some reason various DHCP
> clients
> cannot establish connectivity with the server. Upon further investigation
> I
> noticed that there were static entries in the arp cache on the server.
> Clearing these with an "arp -d *", resolves the connectivity issue.
> However,
> the same thing occurs about two hours later. I have worked around this
> issue
> thus far by writing a script that runs the "arp -d *" command every 5
> minutes, but I need a more solid fix. Anyone seen this before?
>
> Thanks in advance.



 
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