Arp Table Entries are invalid

The server is running Windows 2003 R2 Enterprise. Here is the problem.
I have several servers, more than 20, and only one of these is
exibiting this problem. When I ping a from Host A to Host B, C or D
continuously, I get a Request Timed Out for anywhere from 5 to 15
minutes.

During that time the ARP table shows the IP I am pinging with a
00-00-00-00-00-00 MAC and Type is listed as INVALID.

When I ping any other server other than HOST B, C or D, it returns a
reply immediately and the ARP Table is updated immediately with the
correct MAC address for that server and the type is listed as Dynamic.

Once the ARP Table is updated with the correct MAC periodically, it
drops the correct MAC and sets the MAC to 00-00-00-00-00-00 and the
Type is listed as INVALID again. The pinging will abruptly start Timing
Out again for another 20 minutes or so.

The big problem is that the server having the ARP issues is my backup
server and he can't get to these remote servers to back them up.

All servers are on the same switch.

I have tested the network cable and they are all good. I have switched
to the other onboard NIC on the server and I am experiencing the same
problem regardly of which NIC I use.

Any ideas?

Jef

In news:(E-Mail Removed) ups.com,
Jef D <(E-Mail Removed)> stated, which I commented on below:
> The server is running Windows 2003 R2 Enterprise. Here is the problem.
> I have several servers, more than 20, and only one of these is
> exibiting this problem. When I ping a from Host A to Host B, C or D
> continuously, I get a Request Timed Out for anywhere from 5 to 15
> minutes.
>
> During that time the ARP table shows the IP I am pinging with a
> 00-00-00-00-00-00 MAC and Type is listed as INVALID.
>
> When I ping any other server other than HOST B, C or D, it returns a
> reply immediately and the ARP Table is updated immediately with the
> correct MAC address for that server and the type is listed as Dynamic.
>
> Once the ARP Table is updated with the correct MAC periodically, it
> drops the correct MAC and sets the MAC to 00-00-00-00-00-00 and the
> Type is listed as INVALID again. The pinging will abruptly start
> Timing Out again for another 20 minutes or so.
>
> The big problem is that the server having the ARP issues is my backup
> server and he can't get to these remote servers to back them up.
>
> All servers are on the same switch.
>
> I have tested the network cable and they are all good. I have switched
> to the other onboard NIC on the server and I am experiencing the same
> problem regardly of which NIC I use.
>
> Any ideas?
>
> Jef

Have you tried changing ports on the switch? Is the switch manageable? Any
errors in it's logs, if logging is enabled (should see something)?

Any VLANs configured?

--
Ace
Innovative IT Concepts, Inc (IITCI)
Willow Grove, PA

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Directory Services
Microsoft Certified Trainer

Having difficulty reading or finding responses to your post?
Instead of the website you're using, I suggest to use OEx (Outlook Express
or any other newsreader), and configure a news account, pointing to
news.microsoft.com. This is a direct link to the Microsoft Public
Newsgroups. It is FREE and requires NO ISP's Usenet account. OEx allows you
to easily find, track threads, cross-post, sort by date, poster's name,
watched threads or subject.
It's easy:

How to Configure OEx for Internet News
http://support.microsoft.com/?id=171164

Infinite Diversities in Infinite Combinations
Assimilation Imminent. Resistance is Futile
"Very funny Scotty. Now, beam down my clothes."

The only constant in life is change...

I have swapped the cable and port on the switch. The switch is a
manageable Cisco 3750G but it has not been configured to be managed and
over course no VLANs since it has not been configured.

I have also loaded the latest NIC driver from Boardcom.

Still the same problem.

Jef


Ace Fekay [MVP] wrote:
> In news:(E-Mail Removed) ups.com,
> Jef D <(E-Mail Removed)> stated, which I commented on below:
> > The server is running Windows 2003 R2 Enterprise. Here is the problem.
> > I have several servers, more than 20, and only one of these is
> > exibiting this problem. When I ping a from Host A to Host B, C or D
> > continuously, I get a Request Timed Out for anywhere from 5 to 15
> > minutes.
> >
> > During that time the ARP table shows the IP I am pinging with a
> > 00-00-00-00-00-00 MAC and Type is listed as INVALID.
> >
> > When I ping any other server other than HOST B, C or D, it returns a
> > reply immediately and the ARP Table is updated immediately with the
> > correct MAC address for that server and the type is listed as Dynamic.
> >
> > Once the ARP Table is updated with the correct MAC periodically, it
> > drops the correct MAC and sets the MAC to 00-00-00-00-00-00 and the
> > Type is listed as INVALID again. The pinging will abruptly start
> > Timing Out again for another 20 minutes or so.
> >
> > The big problem is that the server having the ARP issues is my backup
> > server and he can't get to these remote servers to back them up.
> >
> > All servers are on the same switch.
> >
> > I have tested the network cable and they are all good. I have switched
> > to the other onboard NIC on the server and I am experiencing the same
> > problem regardly of which NIC I use.
> >
> > Any ideas?
> >
> > Jef
>
> Have you tried changing ports on the switch? Is the switch manageable? Any
> errors in it's logs, if logging is enabled (should see something)?
>
> Any VLANs configured?
>
> --
> Ace
> Innovative IT Concepts, Inc (IITCI)
> Willow Grove, PA
>
> This posting is provided "AS-IS" with no warranties or guarantees and
> confers no rights.
>
> Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
> Microsoft MVP - Directory Services
> Microsoft Certified Trainer
>
> Having difficulty reading or finding responses to your post?
> Instead of the website you're using, I suggest to use OEx (Outlook Express
> or any other newsreader), and configure a news account, pointing to
> news.microsoft.com. This is a direct link to the Microsoft Public
> Newsgroups. It is FREE and requires NO ISP's Usenet account. OEx allows you
> to easily find, track threads, cross-post, sort by date, poster's name,
> watched threads or subject.
> It's easy:
>
> How to Configure OEx for Internet News
> http://support.microsoft.com/?id=171164
>
> Infinite Diversities in Infinite Combinations
> Assimilation Imminent. Resistance is Futile
> "Very funny Scotty. Now, beam down my clothes."
>
> The only constant in life is change...

Here is the latest information:

Still the same problem, I have created a static ARP entry as a
workaround but that is lame.

Jef


Jef D wrote:
> I have swapped the cable and port on the switch. The switch is a
> manageable Cisco 3750G but it has not been configured to be managed and
> over course no VLANs since it has not been configured.
>
> I have also loaded the latest NIC driver from Boardcom.
>
> Still the same problem.
>
> Jef
>
>
> Ace Fekay [MVP] wrote:
> > In news:(E-Mail Removed) ups.com,
> > Jef D <(E-Mail Removed)> stated, which I commented on below:
> > > The server is running Windows 2003 R2 Enterprise. Here is the problem.
> > > I have several servers, more than 20, and only one of these is
> > > exibiting this problem. When I ping a from Host A to Host B, C or D
> > > continuously, I get a Request Timed Out for anywhere from 5 to 15
> > > minutes.
> > >
> > > During that time the ARP table shows the IP I am pinging with a
> > > 00-00-00-00-00-00 MAC and Type is listed as INVALID.
> > >
> > > When I ping any other server other than HOST B, C or D, it returns a
> > > reply immediately and the ARP Table is updated immediately with the
> > > correct MAC address for that server and the type is listed as Dynamic.
> > >
> > > Once the ARP Table is updated with the correct MAC periodically, it
> > > drops the correct MAC and sets the MAC to 00-00-00-00-00-00 and the
> > > Type is listed as INVALID again. The pinging will abruptly start
> > > Timing Out again for another 20 minutes or so.
> > >
> > > The big problem is that the server having the ARP issues is my backup
> > > server and he can't get to these remote servers to back them up.
> > >
> > > All servers are on the same switch.
> > >
> > > I have tested the network cable and they are all good. I have switched
> > > to the other onboard NIC on the server and I am experiencing the same
> > > problem regardly of which NIC I use.
> > >
> > > Any ideas?
> > >
> > > Jef
> >
> > Have you tried changing ports on the switch? Is the switch manageable? Any
> > errors in it's logs, if logging is enabled (should see something)?
> >
> > Any VLANs configured?
> >
> > --
> > Ace
> > Innovative IT Concepts, Inc (IITCI)
> > Willow Grove, PA
> >
> > This posting is provided "AS-IS" with no warranties or guarantees and
> > confers no rights.
> >
> > Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
> > Microsoft MVP - Directory Services
> > Microsoft Certified Trainer
> >
> > Having difficulty reading or finding responses to your post?
> > Instead of the website you're using, I suggest to use OEx (Outlook Express
> > or any other newsreader), and configure a news account, pointing to
> > news.microsoft.com. This is a direct link to the Microsoft Public
> > Newsgroups. It is FREE and requires NO ISP's Usenet account. OEx allows you
> > to easily find, track threads, cross-post, sort by date, poster's name,
> > watched threads or subject.
> > It's easy:
> >
> > How to Configure OEx for Internet News
> > http://support.microsoft.com/?id=171164
> >
> > Infinite Diversities in Infinite Combinations
> > Assimilation Imminent. Resistance is Futile
> > "Very funny Scotty. Now, beam down my clothes."
> >
> > The only constant in life is change...

In news:(E-Mail Removed) ups.com,
Jef D <(E-Mail Removed)> stated, which I commented on below:
> Here is the latest information:
>
> Still the same problem, I have created a static ARP entry as a
> workaround but that is lame.
>
> Jef

Not sure if it's the NIC and/or the drivers causing this with the switch.
I've seen some radical stuff happen with switches. Once using Retina, it
locked up the switches and knocked out the IP phones, among other things.
One other time working with 2003 64 bit in a VPC, one of my clients made a
network change, and I cannot remember what it was, but it caused the
switches to lock as well.

I did a search on it and found a few hits. You may want to read them. I hope
they help.

http://www.google.com/search?hl=en&l...C+Type+INVALID

One of the hits:
http://forums.whirlpool.net.au/forum...fm/621972.html

Ace