Re: VTP Server and Transparent

From: john matijevic <john.matijevic_at_gmail.com>
Date: Sun, 24 Jun 2012 13:44:08 -0400

Good Afternoon Marc,

Here is his original post:

"
Hi Guys,

May be this is a silly one .. :)

Its like this... Its a vtp server and client scenario. If the question says
the server has to be primary root for all the vlan what is the range I have
to choose? Is it 1-4094? or 1-1005?

I know only transparent mode supports up to 4094 and server mode only up to
1005. But, I have seen some workbooks have selected 1-4094 even though its
on server mode.Any harm by doing this??

Thank you all..

Don

"

Its like this... Its a vtp server and client scenario. If the question says
the server has to be primary root for all the vlan what is the range I have
to choose? Is it 1-4094? or 1-1005?

He is asking about a particular question, this question could be
related to another question, we can't assume that it doesn't.

Here is your assumption:
The question tells him to make a switch (lets call it SW1) root for
all vlans. This is it, the one single sole requirement. Now this is
it, a pretty straight forward standard spanning tree question. Could
be MST, PVST, etc make no difference(lets assume pvst).

This is incorrect his question is this:
the server has to be primary root for all the vlan what is the range I have
to choose? Is it 1-4094? or 1-1005?

again is this a server with a switch inside, what is the scenerio.

Lets let Don Reply instead of making assumptions of what he did or did
not assume.
Again big mistake to assume.

Regards,
John

On 6/24/12, marc abel <marcabel_at_gmail.com> wrote:
> John, I'm not sure what is so vague about his question and the topology
> isn't really relevant. You could have 2 switches in your spanning-tree
> topology or 1000 it makes no difference.
>
> The question tells him to make a switch (lets call it SW1) root for all
> vlans. This is it, the one single sole requirement. Now this is it, a
> pretty straight forward standard spanning tree question. Could be MST,
> PVST, etc make no difference(lets assume pvst).
>
> Config SW1:
>
> spanning-tree mode pvst
> spanning-tree vlan ?
>
> Now the "?" is what his question revolves around. Which vlans should he
> include do you think? Remember the question states ALL vlans.
>
> Now the wrinkle to his question comes in because of VTP. Because his switch
> is a VTP server it only supports standard vlans 1-1005. So he has two
> options
>
> Option 1 - make his switch the root for only the vlans his switch supports
>
> spanning-tree vlan 1 - 1005 root primary
>
> Option 2 - make his switch the root for ALL vlans
>
> spanning-tree vlan 1 - 4094 root primary
>
> Which option would Choose? This is the root of his question.
>
> I would choose the second option, because the initial requirement did not
> ask us to make the distinction as to only the vlans the switch currently
> supports. The initial question simply asked us to make it root for ALL
> vlans, which the second one clearly does.
>
> On Sun, Jun 24, 2012 at 12:15 PM, john matijevic
> <john.matijevic_at_gmail.com>wrote:
>
>> Good afternoon Jay,
>>
>> I wouldnt take anything for ganted and assume nothing.
>>
>> What Don is asking is important for eveyone on this list, so that we
>> can all try and learn and pass the exam. It's important to understand
>> what is it that Don is lacking that asks him to post a question here
>> on the forum. If the question is ambiguous, or if Don knows more about
>> the scenerio due to diagrams and configurations, he may just have a
>> specific piece that he is uncertain of, but has not given us all the
>> full details of the scenerio he is working with.
>>
>> Weather its a spanning-tree or VTP task who knows? Without more detail
>> information it be a mistake to assume anything.
>>
>> This is a dangerous mindset to have is to assume especially when it
>> comes to not only the CCIE lab exam but real world networking, and
>> working with customers/clients.
>>
>> Regards,
>> John
>>
>>
>>
>>
>>
>> On 6/24/12, Jay McMickle <jay.mcmickle_at_yahoo.com> wrote:
>> > This just covers you, no matter what the situation. All VLAN's means
>> > all
>> > VLAN's, in any situation.
>> >
>> > Regards,
>> > Jay McMickle- CCIE #35355 (R&S)
>> > Sent from iJay
>> >
>> > On Jun 24, 2012, at 12:02 PM, john matijevic <john.matijevic_at_gmail.com>
>> > wrote:
>> >
>> >> Good Morning Jay,
>> >>
>> >> Please post on how you agree, also post where you got this question
>> from?
>> >> Also please be more specific on covers you if it moves to transparent.
>> >>
>> >> again vague, also please post diagram and configs.
>> >>
>> >> This is a vague question by Don, I apologize to Marc, the question is
>> >> directed towards Don.
>> >>
>> >> Regards,
>> >> John
>> >>
>> >> On 6/24/12, Jay McMickle <jay.mcmickle_at_yahoo.com> wrote:
>> >>> I agree: 1-4094. This always covers you if it moves to transparent.
>> >>>
>> >>> Regards,
>> >>> Jay McMickle- CCIE #35355 (R&S)
>> >>> Sent from iJay
>> >>>
>> >>> On Jun 24, 2012, at 9:36 AM, marc abel <marcabel_at_gmail.com> wrote:
>> >>>
>> >>>> I would choose 1-4094.
>> >>>>
>> >>>> On Sun, Jun 24, 2012 at 9:11 AM, Don Rajaratne
>> >>>> <don.rajaratne_at_gmail.com>wrote:
>> >>>>
>> >>>>> Hi Guys,
>> >>>>>
>> >>>>> May be this is a silly one .. :)
>> >>>>>
>> >>>>> Its like this... Its a vtp server and client scenario. If the
>> question
>> >>>>> says
>> >>>>> the server has to be primary root for all the vlan what is the
>> >>>>> range
>> I
>> >>>>> have
>> >>>>> to choose? Is it 1-4094? or 1-1005?
>> >>>>>
>> >>>>> I know only transparent mode supports up to 4094 and server mode
>> >>>>> only
>> >>>>> up
>> >>>>> to
>> >>>>> 1005. But, I have seen some workbooks have selected 1-4094 even
>> though
>> >>>>> its
>> >>>>> on server mode.Any harm by doing this??
>> >>>>>
>> >>>>> Thank you all..
>> >>>>>
>> >>>>> Don
>> >>>>>
>> >>>>>
>> >>>>> Blogs and organic groups at http://www.ccie.net
>> >>>>>
>> >>>>>
>> _______________________________________________________________________
>> >>>>> Subscription information may be found at:
>> >>>>> http://www.groupstudy.com/list/CCIELab.html
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>
>> >>>>
>> >>>> --
>> >>>> Marc Abel
>> >>>> CCIE #35470
>> >>>> (Routing and Switching)
>> >>>>
>> >>>>
>> >>>> Blogs and organic groups at http://www.ccie.net
>> >>>>
>> >>>>
>> _______________________________________________________________________
>> >>>> Subscription information may be found at:
>> >>>> http://www.groupstudy.com/list/CCIELab.html
>> >>>
>> >>>
>> >>> Blogs and organic groups at http://www.ccie.net
>> >>>
>> >>> _______________________________________________________________________
>> >>> Subscription information may be found at:
>> >>> http://www.groupstudy.com/list/CCIELab.html
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >
>>
>
>
>
> --
> Marc Abel
> CCIE #35470
> (Routing and Switching)

Blogs and organic groups at http://www.ccie.net
Received on Sun Jun 24 2012 - 13:44:08 ART

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