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Network Slow down after several hours


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Guest Blacksheep
Posted

We have a W2k3 sp2 Dell 2850 server we are using for file share and

roaming profiles. It is running an Intel Pro 1000 MT NIC. After

being online for several hours the network traffic thru the NIC slows

down to about 1%. Removing the cable from the NIC and Re-inserting it

restores the performance of the server. We have changed the cabling

from the NIC to the Cisco Catalyst Switch, Changed Ports and still

the same issue. Yesterday the problem would come back within an

hour. I changed the NIC settings to all for Jumbo Frames to alleviate

the load on the server and increase throughput. The server was fine

all day until we came in this morning and the same problem. Fixed by

pulling the cable. We have the latest driver from Dell for the NIC

and Dell has no idea what is happening. BTW, this server has 2 NIC

same type and it happens with both.

 

Anyone have any ideas.

 

TIA

 

Blacksheep

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Guest Meinolf Weber
Posted

Re: Network Slow down after several hours

 

Hello Blacksheep,

 

I think it will have to do with switch configuration, not with the client.

We have also cisco switches and the server NIC's are all just default configured

for 1000 and teamed. If we have problems at the beginning it was alsways

a switch configuration problem.

 

Best regards

 

Meinolf Weber

Disclaimer: This posting is provided "AS IS" with no warranties, and confers

no rights.

** Please do NOT email, only reply to Newsgroups

** HELP us help YOU!!! http://www.dts-l.org/goodpost.htm

> We have a W2k3 sp2 Dell 2850 server we are using for file share and

> roaming profiles. It is running an Intel Pro 1000 MT NIC. After

> being online for several hours the network traffic thru the NIC slows

> down to about 1%. Removing the cable from the NIC and Re-inserting it

> restores the performance of the server. We have changed the cabling

> from the NIC to the Cisco Catalyst Switch, Changed Ports and still

> the same issue. Yesterday the problem would come back within an

> hour. I changed the NIC settings to all for Jumbo Frames to alleviate

> the load on the server and increase throughput. The server was fine

> all day until we came in this morning and the same problem. Fixed by

> pulling the cable. We have the latest driver from Dell for the NIC

> and Dell has no idea what is happening. BTW, this server has 2 NIC

> same type and it happens with both.

> Anyone have any ideas.

>

> TIA

>

> Blacksheep

>

Posted

Re: Network Slow down after several hours

 

as Meinolf Weber says, it's probably the switch which is causing the problem.

Have you checked which speed it's on the NIC and the port that connects the

server and the switch? Set the port in the switch and the NIC to the same

speed if they ain't configured with the same speed.

--

Henrik

MCSE - Windows Server 2003 + MCP

 

 

"Meinolf Weber" wrote:

> Hello Blacksheep,

>

> I think it will have to do with switch configuration, not with the client.

> We have also cisco switches and the server NIC's are all just default configured

> for 1000 and teamed. If we have problems at the beginning it was alsways

> a switch configuration problem.

>

> Best regards

>

> Meinolf Weber

> Disclaimer: This posting is provided "AS IS" with no warranties, and confers

> no rights.

> ** Please do NOT email, only reply to Newsgroups

> ** HELP us help YOU!!! http://www.dts-l.org/goodpost.htm

>

> > We have a W2k3 sp2 Dell 2850 server we are using for file share and

> > roaming profiles. It is running an Intel Pro 1000 MT NIC. After

> > being online for several hours the network traffic thru the NIC slows

> > down to about 1%. Removing the cable from the NIC and Re-inserting it

> > restores the performance of the server. We have changed the cabling

> > from the NIC to the Cisco Catalyst Switch, Changed Ports and still

> > the same issue. Yesterday the problem would come back within an

> > hour. I changed the NIC settings to all for Jumbo Frames to alleviate

> > the load on the server and increase throughput. The server was fine

> > all day until we came in this morning and the same problem. Fixed by

> > pulling the cable. We have the latest driver from Dell for the NIC

> > and Dell has no idea what is happening. BTW, this server has 2 NIC

> > same type and it happens with both.

> > Anyone have any ideas.

> >

> > TIA

> >

> > Blacksheep

> >

>

>

>


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