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Thread: Network Card Teaming - best configuration for DFS-R?

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Network Card Teaming - best configuration for DFS-R?
Rob 03.07.2007 08:58:00
Hi I was wondering if anyone has any recommendations for the best
configuration for Network Card Teaming when using DFS-R?

We are running a couple of HP servers with 100/1000 dual NICs. They are
currently set to: Transmit Load balancing with fault tolerance (TLB)


Re: Network Card Teaming - best configuration for DFS-R?
"Ned Pyle [MSFT]" <nedpyle[ at ]online.microsoft.com> 05.07.2007 23:58:08
The give the Microsoft PSS experience, our recommendation is always: don't
team. We spend tens of thousands of hours a year troubleshooting issues that
came down to badly written 3rd party teaming drivers. We pull the teams and
everything works. Had two different calls on it today, as a matter of fact.

If you still insist, we recommend fault tolerance without load-balancing (so
simply recovery from total NIC failure), as the odds of you actually
saturating a single gigabit on one server is pretty much nil. In fact,
saturating 100Mbit on one node is highly unlikely. And since they are dual
NIC's on the same card, most failures that scrap one of the two interfaces
will likely take out the other since it the whole board usually fails, so
even the tolerance is often not helpful.

If you want to go with the scenario below, always run the absolute latest
NIC drivers and keep them up to date at all times - check with the vendor
monthly.
--

Ned Pyle
Microsoft Enterprise Platform Support
This posting is provided "AS IS" with no warranties, and confers no rights.
Please read http://www.microsoft.com/info/cpyright.htm for more information.


"Rob" <Rob[ at ]discussions.microsoft.com> wrote in message
news:7A257800-C34E-4C0D-8764-3A5CA63BFC1B[ at ]microsoft.com...
[Quoted Text]
> Hi I was wondering if anyone has any recommendations for the best
> configuration for Network Card Teaming when using DFS-R?
>
> We are running a couple of HP servers with 100/1000 dual NICs. They are
> currently set to: Transmit Load balancing with fault tolerance (TLB)
>
>

Re: Network Card Teaming - best configuration for DFS-R?
Rob 06.07.2007 08:44:05
Many thanks, thats sound advice, I know this isn't strictly the forum for
this query

Out of curriosity, have you come accross any DFS scenarios using Switch Load
Balancing (SLB) or would the same advice apply? (it's only something we're
looking at for the moment)


"Ned Pyle [MSFT]" wrote:

[Quoted Text]
> The give the Microsoft PSS experience, our recommendation is always: don't
> team. We spend tens of thousands of hours a year troubleshooting issues that
> came down to badly written 3rd party teaming drivers. We pull the teams and
> everything works. Had two different calls on it today, as a matter of fact.
>
> If you still insist, we recommend fault tolerance without load-balancing (so
> simply recovery from total NIC failure), as the odds of you actually
> saturating a single gigabit on one server is pretty much nil. In fact,
> saturating 100Mbit on one node is highly unlikely. And since they are dual
> NIC's on the same card, most failures that scrap one of the two interfaces
> will likely take out the other since it the whole board usually fails, so
> even the tolerance is often not helpful.
>
> If you want to go with the scenario below, always run the absolute latest
> NIC drivers and keep them up to date at all times - check with the vendor
> monthly.
> --
>
> Ned Pyle
> Microsoft Enterprise Platform Support
> This posting is provided "AS IS" with no warranties, and confers no rights.
> Please read http://www.microsoft.com/info/cpyright.htm for more information.
>
>
> "Rob" <Rob[ at ]discussions.microsoft.com> wrote in message
> news:7A257800-C34E-4C0D-8764-3A5CA63BFC1B[ at ]microsoft.com...
> > Hi I was wondering if anyone has any recommendations for the best
> > configuration for Network Card Teaming when using DFS-R?
> >
> > We are running a couple of HP servers with 100/1000 dual NICs. They are
> > currently set to: Transmit Load balancing with fault tolerance (TLB)
> >
> >
>
>
Re: Network Card Teaming - best configuration for DFS-R?
"Ned Pyle [MSFT]" <nedpyle[ at ]online.microsoft.com> 06.07.2007 15:20:52
I have not run across that, sorry.

--

Ned Pyle
Microsoft Enterprise Platform Support
This posting is provided "AS IS" with no warranties, and confers no rights.
Please read http://www.microsoft.com/info/cpyright.htm for more information.


"Rob" <Rob[ at ]discussions.microsoft.com> wrote in message
news:537B98C7-620E-49CB-B4FB-F1C9D1C5F48B[ at ]microsoft.com...
[Quoted Text]
> Many thanks, thats sound advice, I know this isn't strictly the forum for
> this query
>
> Out of curriosity, have you come accross any DFS scenarios using Switch
> Load
> Balancing (SLB) or would the same advice apply? (it's only something we're
> looking at for the moment)
>
>
> "Ned Pyle [MSFT]" wrote:
>
>> The give the Microsoft PSS experience, our recommendation is always:
>> don't
>> team. We spend tens of thousands of hours a year troubleshooting issues
>> that
>> came down to badly written 3rd party teaming drivers. We pull the teams
>> and
>> everything works. Had two different calls on it today, as a matter of
>> fact.
>>
>> If you still insist, we recommend fault tolerance without load-balancing
>> (so
>> simply recovery from total NIC failure), as the odds of you actually
>> saturating a single gigabit on one server is pretty much nil. In fact,
>> saturating 100Mbit on one node is highly unlikely. And since they are
>> dual
>> NIC's on the same card, most failures that scrap one of the two
>> interfaces
>> will likely take out the other since it the whole board usually fails, so
>> even the tolerance is often not helpful.
>>
>> If you want to go with the scenario below, always run the absolute latest
>> NIC drivers and keep them up to date at all times - check with the vendor
>> monthly.
>> --
>>
>> Ned Pyle
>> Microsoft Enterprise Platform Support
>> This posting is provided "AS IS" with no warranties, and confers no
>> rights.
>> Please read http://www.microsoft.com/info/cpyright.htm for more
>> information.
>>
>>
>> "Rob" <Rob[ at ]discussions.microsoft.com> wrote in message
>> news:7A257800-C34E-4C0D-8764-3A5CA63BFC1B[ at ]microsoft.com...
>> > Hi I was wondering if anyone has any recommendations for the best
>> > configuration for Network Card Teaming when using DFS-R?
>> >
>> > We are running a couple of HP servers with 100/1000 dual NICs. They are
>> > currently set to: Transmit Load balancing with fault tolerance (TLB)
>> >
>> >
>>
>>

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