Not really. I suppose you could use it in conjunction with clustering but
you do not have to. We are using it with a few terminal servers. We
decided to do this rather then cluster them. Since we control the apps that
are run on them we now that it does not matter what machine they happen to
connect to. It also means that they connect with one IP address (we
actually setup a static entry in WINS so that they can use a regular NetBios
name) and never now that they may get a different server each time. It also
means that we can shut one of the servers down for maintenance and the
clients are not effected. Just a few of the benefits that we found with
NLB. Another good place for this would be web servers.
-----Original Message-----
From: Miller Bonnie L. [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 14, 2001 9:29 AM
To: NT System Admin Issues
Subject: RE: NIC Load Balancing
John-Is that for server clustering then?
-BM
-----Original Message-----
From: Montgomery, John [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 13, 2001 12:58 PM
To: NT System Admin Issues
Subject: RE: NIC Load Balancing
W2K advanced server has an NLB option (network load balancing). This is not
for two NIC's on one server, but to load balance several servers.
-----Original Message-----
From: Miller Bonnie L. [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 13, 2001 3:40 PM
To: NT System Admin Issues
Subject: RE: NIC Load Balancing
As David mentioned, I'm using Intel Server Nics and using the Intel software
to perform ALB. With Adaptive Load balancing, you get all cards "teaming"
traffic outbound, but only one can recieve. There is also another
configuration (NLB?) that truly teams the cards, but you have to have a
matching switch (all I know is that we don't have one... not sure what it
is) and configure the ports.
I THINK Win2k Advanced Server has some ALB stuff built in for all nics, but
since we only have Server, I can't tell you the extent of the features.
Maybe someone else could elaborate who is using it?
-Bonnie M.
-----Original Message-----
From: David James [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 13, 2001 11:40 AM
To: NT System Admin Issues
Subject: RE: NIC Load Balancing
I'm not sure about 3coms. Intels function with their own software/drivers
that give 2 cards the same IP address, therefore balancing the load across
both NICS.
DJ
-----Original Message-----
From: Robert Toland [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 13, 2001 1:26 PM
To: NT System Admin Issues
Subject: Re: NIC Load Balancing
We have an NT4.0 sp6a server with 2 3com nic cards with discreet tcp/ip
adressess. I added the second card hoping to distribute the traffic but
monitoring both cards showed that they were recieving the exact same
traffic.
Is load balancing the way to fix this, and if so where do I find out how to
do
it.
Thanks,
Robert T.
"Miller Bonnie L." wrote:
> Get the latest drivers from Intel-I think anything prior to 3.8 something
> had problems, but it could have been 4. The first time I set this up on
our
> network (NT 4 sp6a server at the time) it knocked off every older HP
printer
> we had in the school district (not just the LAN) that had an emulex
network
> card (instead of the hp jetdirect cards), but the newer HP printers were
> fine. Took a couple of hours to find the culprit (funny, it works for a
> while and then I turn this server back on...)-I could literally ping -t a
> printer and watch it drop off the network as the server with the two nics
> booted up-but newer drivers fixed it. We figured it was some sort of
layer
> 2 broadcast since we still had that turned on for LAT at the time. I also
> read from someone on Intel's forum that had the same problem with Xerox
> printers-same solution.
>
> -Bonnie M.
> -----Original Message-----
> From: Matt Wehnes [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, September 13, 2001 9:04 AM
> To: NT System Admin Issues
> Subject: NIC Load Balancing
>
> Recently I installed a Intel Pro 100/S Dual Port NIC. Then proceeded to
> configure a load balancing array consisting of the 2 ports on the Intel
NIC.
> Both ports where then connected to a 3Com 3300 switch.
>
> Everything worked like expected expect, except for intermittent activity
> with the printers.
> Sometimes they would print other times end-user will get message like
> "printer unavailable or not connected".
> I tried pinging the printers IP, I would get 2/4 or 3/4 or 0/4 reply's
back,
> randomly.
>
> Print Server - NT4 sp6a
> Clients - NT4 sp6a
> All printers are one of three types- HP 4000, 5M, 2500CM
>
> Has one experienced this before or have any advice?
>
> Matt Wehnes
> System Administrator
> Morton Machining & MFG
> (309) 266-6551 x12
>
> http://www.sunbelt-software.com/ntsysadmin_list_charter.htm
>
> http://www.sunbelt-software.com/ntsysadmin_list_charter.htm
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