Re: Check NLB in ISA Array

  • From: "Jim Harrison" <jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Sat, 3 Aug 2002 06:41:29 -0700

You should install a third NIC for NLB communications; trying to have NLB 
communications on the same
NIC as normal traffic is a huge PITA.

Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/authors/harrison/
Read the books!

----- Original Message -----
From: "Lim, Arthus T." <alim@xxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Saturday, August 03, 2002 3:45 AM
Subject: [isalist] Re: Check NLB in ISA Array


http://www.ISAserver.org


This is what I did.  Will someone tell me if I configured the NLB over
ISA array correctly?

Server 1

Cluster Parameters
Primary IP Address  I92.168.0.20
Subnet Mask      255.255.255.0
Full Internet Name  server1.courcompany.com
Multicast Support Checked

Host Parameters
Priority 1
Initial Cluster Rate Active is checked
Dedicated IP Address 192.168.0.16
Subnet Mask 255.255.255.0

Port Rules Default Settings

Server 2

Cluster Parameters
Primary IP Address  I92.168.0.20
Subnet Mask      255.255.255.0
Full Internet Name  server1.courcompany.com
Multicast Support Checked

Host Parameters
Priority 2
Initial Cluster Rate Active is checked
Dedicated IP Address 192.168.0.18
Subnet Mask 255.255.255.0

Port Rules Default Settings

Note that I added the VIP Address as a second IP address under the
advanced section of TCP/IP properties for the load-balanced LAN
Connection for the two servers.

When I tried to surf, download, etc to check if I configured it
correctly, I noticed in the ISA performance monitor that server 2 was
the one who worked which should never be the case because I set first
priority to server 1.  Also, I get an IP conflict error because of
192.168.0.20 is configured as secondary IP in both servers.

What are the errors I made and how can I address those errors?  Please
help me.  Thanks.
-----Original Message-----
From: Gabriel Zabal [mailto:gabriel@xxxxxxxxxxx]
Sent: Friday, August 02, 2002 9:07 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: Check NLB in ISA Array

http://www.ISAserver.org


I configured 2 servers in array mode. and NLB on the internal interface.
I tested very much and it works right, it uses both servers.

----------------------------------------
Gabriel Zabal
Ing. Sistemas
gabriel@xxxxxxxxxxx
----------------------------------------
----- Original Message -----
From: "Lim, Arthus T." <alim@xxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Friday, August 02, 2002 2:54 AM
Subject: [isalist] Check NLB in ISA Array


http://www.ISAserver.org


I configured network load balancing in 2 ISA servers in an array.  How
will I know that it's really working?  That if I use only 1 internal ip,
both servers are working together.  Please advice.  Thanks

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