Nick Domukhovsky wrote:
>> Nick Domukhovsky wrote:
>>>> Nick Domukhovsky wrote:
>>>>> Gaspar
>>>>>> I have two Windows 2003 DCs. Both servers host IIS web applications
>>>>>> and
>>>>>> SqlServer 2005 instances.
>>>>>> Both have two nics: One public and one private communication
between
>>>>>> servers. The public nics are connected to a layer-3 switch.
>>>>>>
>>>>>> I want to load balance HTTP traffic (****ts 80 and 443) and I'm very
>>>>>> confused with Layer 3 switches, NLB & Domain controllers, Unicast
vs.
>>>>>> Multicast, and other recomendations given by microsoft and
newsgroups.
>>>>>>
>>>>>> So: In my current configuration, Which NLB mode do you suggest to
use?
>>>>>>
>>>>>> Thanks in advance.
>>>>>> Gaspar
>>>>> Use NLB multicast mode (without IGMP). The only thing you should do
-
>>>>> configure static ARP record on your switch (Virtual IP <-> Virtual
>>>>> MAC).
>>>>> In this configuration you have no need for private connection
between
>>>>> nodes.
>>>>>
>>>>> Moreover with ****t rules of NLB cluster you can make it to balance
only
>>>>> TCP traffic on 80 and 443 ****ts.
>>>>>
>>>> Should I configure the ARP record only in the switch that the servers
>>>> are connected? or in every switch in my network?
>>>> Thanks again.
>>> Only on switch to which your cluster nodes connected.
>>>
>>>
>>>
>> BIG PROBLEM: my switch can't be configured. I have the 3COM Baseline
>> switch 2024 that has a fixed configuration. Any alternatives?
> But you said before, that you have layer 3 switch... How it can be
> unconfigurable? If it is not layer 3 switch, you can omit step with
> making static ARP entry.
>
>
>
>
>
You are right. It's Layer2 (I read the specification). Network is not my
area really.
So, being Layer2: I should still use NLB multicast mode (without IGMP)?
Thanks for your time.
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