Load balancing

[Chris]

I am using W2K load balancing between 2 servers running
IIS. I want to be able to use DFS to replicate the site
content between the servers, but it seems that there is a
problem in the two servers communicating with each other
(I cannot map a drive between them for example), as they
see themselves as the same machine on the network. Is
there a way to overcome this problem?

 

[Chris Darling [MSFT]]

Chris,

When the NLB hosts are configured in Unicast mode they are unable to
communicate with one another over the NLB adapter. You need to use a second
adapter to communicate between the hosts.

This adapter can be homed to a separate network or the hosts can be
connected via a "rolled" cable. The simplest way to get this working is to
assign static IP addresses in private space such as 10.x. If you want to use
names to communicate between hosts you'll need to add an entry to
%windir%\system32\drivers\etc\hosts on each host to point to its peer. Make
sure that the name you choose doesn't collide with other names for these
machines (such as computer name).

Cheers,

Chris

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

 

[Curtis Koenig [MSFT]]

Hi Chris,
Unfortunatly NLB and DFS are incompatible with one another, so this is not
going to work. What we suggest is that you use a 2 NIC configuration and
use the second NIC (non-NLB in a different subnet) to replicate any data
between the ndoes.
--
Curtis Koenig
Support Professional
Microsoft Clustering Technologies Support
MCSA, MCSE, MCSAS, MCSES, CISSP

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