Re: VTP Server and Transparent

To ensure that the switch is always the root.

On Sun, Jun 24, 2012 at 12:35 PM, <don.rajaratne_at_gmail.com> wrote:

> @Jhon - (vlans here) what vlans? Again is it 1-4094 or 1-1005?
>
> @Narbik - yeah I got confused as well. Why guard root?
> Sent from my BlackBerry.
>
> -----Original Message-----
> From: john matijevic <john.matijevic_at_gmail.com>
> Date: Sun, 24 Jun 2012 14:56:12
> To: Don Rajaratne<don.rajaratne_at_gmail.com>
> Cc: marc abel<marcabel_at_gmail.com>; Jay McMickle<jay.mcmickle_at_yahoo.com>;
> Cisco certification<ccielab_at_groupstudy.com>
> Subject: Re: VTP Server and Transparent
>
> Good Afternoon Don,
>
> Thanks for the clarification.
> I would use the command spanning-tree root primary command on the
> switch(A), or setting the priority option to 1.
>
> spanning-tree vlan (Vlans Here) root primary
>
> or by setting the priority value to lower than what is on the other
> switches.
>
> spanning-tree vlan (Vlans Here) priority 1, assuming the other
> switches are using the default of 32768, but do a show spanning-tree
> summary to verify.
>
>
> sh spanning-tree root to verify configuration.
>
>
> http://www.cisco.com/en/US/tech/tk389/tk621/technologies_configuration_example09186a008009467c.shtml
>
>
>
> Hope that helps, and again has to be clear for all of us!!!
>
> Unfortunately, I am using GNS3, and cannot test your scenerio.
>
> Regards,
> John
>
> On 6/24/12, Don Rajaratne <don.rajaratne_at_gmail.com> wrote:
> > Hi Guys,
> >
> > I really value all your comments and thoughts on this. Thank you.
> >
> > @Jhon - Its not a complicated scenario. Just say three switches (A,B,C)
> are
> > interconnected with each other using trunk ports (Mesh), which switch A
> is
> > the master and B&C are configured for clients.And master is configured
> for
> > vlan 2,5,13,45,67. Spanning-tree mode rapid-pvst.
> >
> > If I want switch A to be the root for all the vlans (This may includes
> > future adding vlans as well) what would be the best way to configure?
> > 1-4094 or 1-1005?
> >
> > Hope its clear for you now.
> >
> > Cheers.
> >
> > Don.
> >
> > On Sun, Jun 24, 2012 at 10:04 PM, 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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