Re: A duplicate name has been detected on the TCP network

From: Dana Brash (dbrash_at_gmail.com)
Date: 10/19/04


Date: Wed, 20 Oct 2004 04:33:07 +0800

Load Balancing splits the work load between two servers. You'd use your
second nic (on a separate subnet) as a heart beat connection between two
servers. On the first NIC, those two servers appear to the rest of the
network as one server. Each server has an independant static IP, and they
both share a virtual static IP.

-- 
HTH,
=d=
Dana Brash
MCSE, MCDBA, MCSA
dbrash@gmail.com
"David Lewis" <*@*.*> wrote in message 
news:odnan0daj9calsikh810nanp7tu1avn67u@4ax.com...
> what is the "load ballancing" feature in windows 2003?
>
> I understand using 2 nic's for routing, but I do not need to do routing 
> one these servers.
>
>
> "Dana Brash" <dbrash@gmail.com>
> |>Hi David,
> |>
> |>Your computer only needs one IP address to communicate with the subnet.
> |>There is no particularly easy way to team up and use both unless you're
> |>setting up NIC teaming like Robert says.
> |>
> |>You're not going to double your bandwidth or anything by having them 
> both
> |>enabled.  What you will do is create issues on your subnet when you
> |>broadcast two different IP's for the same-named system.  You will also
> |>create duplicate records in DNS making it more cumbersome for other 
> clients
> |>to find you, and if you're NIC's are DHCP clients you're bound to get
> |>multiple leases cluttering your scope as well.
> |>
> |>Generally a machine with two NICs is called "multi-homed" and has each 
> NIC
> |>configured to use different subnets.  Often this is for the purpose of 
> using
> |>that machine as some type of routing device.  Sometimes it is just so 
> that
> |>device can communicate with two subnets.
> |>
> |>All that said, does your error go away when you disable on NIC?
> |>
> |>HTH,
> |>=d=
> |>
> |>
> |>Dana Brash
> |>MCSE, MCDBA, MCSA
> |>
> |>dbrash@gmail.com
> |>
> |>"David Lewis" <*@*.*> wrote in message
> |>news:pio8n09puj088k9h0ibapnmc1l54j53ck8@4ax.com...
> |>>I have them so why not use them some how?
> |>> How should I configure the subnet's?
> |>>
> |>> "Robert L [MS-MVP]" <noreply@hotmail.com>
> |>> |>assuming you have two NICs on the server, why do you need them? Or 
> why
> |>> do
> |>> |>they use the same subnet?
> |>>
> |>
> 


Relevant Pages

  • Re: PPTP Site-to-Site VPN problem
    ... server on the same subnet. ... I confirm that both servers are multi-homed with each having 1x NIC facing ... (2 NICs) ... >>> Does your clients default gateway point to your RRAS servers? ...
    (microsoft.public.windows.server.networking)
  • Re: Medium Server Farm deployment
    ... > I have done farms both ways, with single NICS and with multiple NICS. ... All the servers must have at least ... >>different subnet (in the example one class B subnet and one class C ... today I read the chapter on deploying a medium server farm from ...
    (microsoft.public.sharepoint.windowsservices)
  • Re: A duplicate name has been detected on the TCP network
    ... I understand using 2 nic's for routing, but I do not need to do routing one these servers. ... What you will do is create issues on your subnet when you ... |>Generally a machine with two NICs is called "multi-homed" and has each NIC ...
    (microsoft.public.windows.server.networking)
  • Re: Medium Server Farm deployment
    ... I have done farms both ways, with single NICS and with multiple NICS. ... All the servers must have at least 1 NIC ... >different subnet (in the example one class B subnet and one class C ... today I read the chapter on deploying a medium server farm from ...
    (microsoft.public.sharepoint.windowsservices)
  • Re: UpdatedConfirmation of NLB
    ... IP Subnet. ... It seems that you're intending the second NICs as the Heartbeat ... Configure Network Load Balancing (NLB) with Two Network Adapters ... Configure the NLB Cluster properties according to your parameters, ...
    (microsoft.public.windows.server.clustering)

Loading