Re: VTP Server and Transparent

Guys,

i see both points, but may be we need to configure a root guard besides the
spanning-tree root primary.

On Sun, Jun 24, 2012 at 11:04 AM, marc abel <marcabel_at_gmail.com> wrote:

> I guess we will have to disagree or wait for Don speak back up.
>
> If you understand spanning-tree in the context of the CCIE lab you know
> that only switches(bridges) participate in STP. So in this case "server"
> doesn't refer to some external box, but instead refers to the fact that the
> switch is the VTP server.
>
> Am I making an assumption? Probably, but I it is an educated assumption
> based on.
>
> A. Understanding the protocols he is asking about and how they interact.
> B. Following this list for the last 4 years and seeing similar questions
> asked repeatedly.
>
>
>
> On Sun, Jun 24, 2012 at 12:44 PM, john matijevic
> <john.matijevic_at_gmail.com>wrote:
>
> > 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)
> > >
> >
>
>
>
> --
> 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
>
>
>
>
>
>
>
>

-- 
*Narbik Kocharians
*CCSI#30832, CCIE# 12410 (R&S, SP, Security)
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