"Leila" <Leilas@hotpop.com> wrote in message
news:Oy4bV0XZGHA.3532@TK2MSFTNGP05.phx.gbl...
> Hi,
> I have problem in understanding term "Public Network" and "Private
> Network". I need some clarification. For example in this sentence:
> "Disable NetBIOS for all private network cards before beginning SQL Server
> Setup"
>
> Many thanks in advance,
> Leila
>
>

"Geoff N. Hiten" <SQLCraftsman@gmail.com> wrote in message
news:OQgQPDYZGHA.3752@TK2MSFTNGP03.phx.gbl...
> The "public" network is the one that the outside world uses to communicate
> to the cluster. Each host has at least one NIC on the public network.
> Virtual IP addresses for the cluster virtual servers map into NIC(s) on
> the public network(s).
>
> Private Networks are used only for communication between nodes, typically
> for cluster management tasks. On two-node clusters, this is most often a
> simple crossover network cable. A minimum of two networks are necessary
> for highly available clusters so that if the public network has an issue,
> the cluster nodes can communicate and decide which node is best suited to
> tray and bring the failed resource back online.
>
> You can have more than one public network. Each network must have a NIC
> on each host node. The NICs in a network must be in the same subnet. The
> NICs on each host must be in different subnets.
>
> --
> Geoff N. Hiten
> Senior Database Administrator
> Microsoft SQL Server MVP
>
>
>
>
> "Leila" <Leilas@hotpop.com> wrote in message
> news:Oy4bV0XZGHA.3532@TK2MSFTNGP05.phx.gbl...
>> Hi,
>> I have problem in understanding term "Public Network" and "Private
>> Network". I need some clarification. For example in this sentence:
>> "Disable NetBIOS for all private network cards before beginning SQL
>> Server Setup"
>>
>> Many thanks in advance,
>> Leila
>>
>>
>
>