w2003 NLB traffic

Hi All.

I have a windows 2003 cluster with NLB. I have 3 servers in the cluster.
the NLB IP address (VIP) is generating a lot of network traffic. When
investigating usign wireshark the VIP is sending out lots of "out of order
packet"

We have tested, and when connecting to the real IP address this error is not
produced. Does any one have any idea why this is happening? We are using the
NLB to balance three terminal servers.

Hello,

Are you in unicast or multicast ? If multicast, with igmp ? If so, is
the IGMP filtering activated on the switch ?

Do you have the last version of the nic driver ? Do you have teaming ?

If it's SP2, do you have hotfix 948496 installed ?

Could you provide me the wireshark trace ?


An update to turn off default SNP features is available for Windows
Server 2003-based and Small Business Server 2003-based computers
http://support.microsoft.com/?scid=k...8496&x=19&y=11

Regards,
Mathieu CHATEAU
french blog:http://www.lotp.fr
english blog:http://lordoftheping.blogspot.com

ksanders a écrit :
> Hi All.
>
> I have a windows 2003 cluster with NLB. I have 3 servers in the cluster.
> the NLB IP address (VIP) is generating a lot of network traffic. When
> investigating usign wireshark the VIP is sending out lots of "out of order
> packet"
>
> We have tested, and when connecting to the real IP address this error is not
> produced. Does any one have any idea why this is happening? We are using the
> NLB to balance three terminal servers.