From: Plukkie (plukkie@gmail.com)
Date: Tue Aug 29 2006 - 16:36:13 ART
Sean, I need also the output of your SW2.
Do you also can paste sh vtp status of both?
THX
On 8/29/06, Sean Khoo (AU) <Sean.Khoo@didata.com.au> wrote:
>
> Plukkie,
>
>
>
> Switch 1 would add those vlan into requested list even you do not have any
> host. this happen because you have an active trunk port between SW1 and SW2
> which cause the SVI to up/up. see the output below.. vlan 5,7,46 have been
> pruned on SW1 due to lack of request from SW2 while vlan 1,5,7,28,46,100
> have been added into the SW1 requested list.
>
>
>
> As a result Switch 2 can not prune those vlan 1,5,7,28,46,100 which
> requested by SW1 and have to add those vlan into allow list..
>
>
>
> same rules apply to the other switch..
>
>
>
> pls correct me if am wrong.. thanks
>
>
>
>
>
>
> Switch-1#sh vlan brief
>
> VLAN Name Status Ports
> ---- -------------------------------- ---------
> -------------------------------
> 1 default active Fa0/5, Fa0/6, Fa0/7, Fa0/8
> Fa0/9, Fa0/10, Fa0/11,
> Fa0/12
> Fa0/14, Fa0/15, Fa0/16,
> Fa0/17
> Fa0/18, Fa0/19, Fa0/20,
> Fa0/21
> Fa0/22, Fa0/23, Fa0/24,
> Gi0/1
> Gi0/2
> 5 VLAN0005 active Fa0/4
> 7 VLAN0007 active
> 28 VLAN0028 active Fa0/2
> 46 VLAN0046 active Fa0/3
> 100 VLAN0100 active Fa0/1
> 1002 fddi-default act/unsup
> 1003 token-ring-default act/unsup
> 1004 fddinet-default act/unsup
> 1005 trnet-default act/unsup
>
> Switch-1#sh ip int brief
> Interface IP-Address OK? Method Status
> Protocol
> Vlan1 unassigned YES unset administratively down
> down
> Vlan7 10.10.10.1 YES manual up up
> FastEthernet0/1 unassigned YES unset up up
> FastEthernet0/2 unassigned YES unset up up
> FastEthernet0/3 unassigned YES unset up up
> FastEthernet0/4 unassigned YES unset up up
> FastEthernet0/5 unassigned YES unset up up
>
>
>
> Switch-1#sh int f0/13 pruning
>
> Port Vlans pruned for lack of request by neighbor
> Fa0/13 5,7,46
>
> Port Vlan traffic requested of neighbor
> Fa0/13 1,5,7,28,46,100
>
>
> Regards,
> Sean Khoo
>
>
> ------------------------------
> *From:* Plukkie [mailto:plukkie@gmail.com]
> *Sent:* Tuesday, 29 August 2006 4:40 PM
> *To:* Sean Khoo (AU)
> *Cc:* Arun Arumuganainar; David Redfern (AU); ccielab@groupstudy.com;
> Jason Bartley (AU)
>
> *Subject:* Re: EMULATE VTP PRUNING WITH SWITCHPORT TRUNK ALLOWED
>
>
> Sean,
>
> This is solution three from David:
>
> Soltution3:
> allows vlan traffic to other side that the OTHER side
> has hosts in as well as all interface vlans on the other side.
>
> The first part, correct, but what's the use to allow interface vlans from
> the other side, while you don't have hosts in that vlan or neither yourself
> an interface in that vlan?
>
> gr
>
>
> On 8/29/06, Sean Khoo (AU) <Sean.Khoo@didata.com.au> wrote:
> >
> >
> > I think the solution 3 is the correct solution if you want to emulate
> > vtp pruning.
> >
> > Regards,
> > Sean Khoo
> >
> > -----Original Message-----
> > From: Arun Arumuganainar [mailto:aarumuga@hotmail.com]
> > Sent: Monday, 28 August 2006 11:13 PM
> > To: Plukkie; David Redfern (AU)
> > Cc: ccielab@groupstudy.com; Sean Khoo (AU); Jason Bartley (AU)
> > Subject: Re: EMULATE VTP PRUNING WITH SWITCHPORT TRUNK ALLOWED
> >
> > Pruning will allow traffic on the trunk side only on couple of occasions
> >
> > .
> >
> > 1) VLAN should locally assigned or
> > 2) Switch should act as a transit for those vlan .
> >
> > Second condition is does not apply in CCIE LAB environment . In a two
> > switch environment there is not question about switch to act as a pure
> > transit .
> >
> > Ideal solution would be ... On SW1 allow all vlan that assigned locally
> > on
> > SW2 ( including VLAN 1...the default Vlan ) and vice versa .
> >
> > Thanks and Regards
> > Arun
> >
> > ----- Original Message -----
> > From: "Plukkie" <plukkie@gmail.com>
> > To: "David Redfern (AU)" <David.Redfern@didata.com.au>
> > Cc: <ccielab@groupstudy.com>; "Sean Khoo (AU)"
> > <Sean.Khoo@didata.com.au>; "Jason Bartley (AU)"
> > <Jason.Bartley@didata.com.au>
> > Sent: Monday, August 28, 2006 2:54 PM
> > Subject: Re: EMULATE VTP PRUNING WITH SWITCHPORT TRUNK ALLOWED
> >
> >
> > > Hi,
> > >
> > > I would presume only allowing the common vlans that are used on both
> > > switches, so that is 100 and 28.
> > >
> > > on both switches:
> > > switchport trunk allowed vlan 28,100
> > >
> > > gr Plukkie
> > >
> > >
> > > On 8/28/06, David Redfern (AU) <David.Redfern@didata.com.au> wrote:
> > > >
> > > > Guys,
> > > >
> > > > Struggling to find the correct way to emulate vtp pruning using
> > > > switchport trunk allowed vlan command..
> > > >
> > > > Question is from InternetExpert Lab 28 Also says to only send the
> > > > minumum amount of traffic necessary across these trunk links
> > > >
> > > >
> > > >
> > > > Eg,
> > > >
> > > > Sw1 has hosts in vlan 100,28,46,5
> > > > Also has interface vlan 7 (but no interfaces in the vlan)
> > > >
> > > > Sw2 has hosts in vlans 34,100
> > > > Also has interface vlan 8 and 28 (but no interfaces in the vlan)
> > > >
> > > >
> > > > What do you guys think is the correct solution.
> > > >
> > > > Solution 1.(only allows vlan traffic to other side that both
> > > > switches have hosts in. eg 100) SW1.
> > > > switchport trunk allowed vlan 100
> > > >
> > > > SW2
> > > > switchport trunk allowed vlan 100
> > > >
> > > >
> > > >
> > > > Solution 2. (allows vlan traffic to other side that the OTHER side
> > > > has hosts in as well as interface vlans ((28) where this traffic
> > > > must traverse the trunk)
> > > > SW1
> > > > switchport trunk allowed vlan 34,100,28
> > > >
> > > > SW2
> > > > switchport trunk allowed vlan 100,28,46,5
> > > >
> > > >
> > > > Solution 3. (allows vlan traffic to other side that the OTHER side
> > > > has hosts in as well as all interface vlans on the other side)
> > > > SW1
> > > > switchport trunk allowed vlan 34,100,28,8
> > > >
> > > > SW2
> > > > switchport trunk allowed vlan 100,28,46,5,7
> > > >
> > > >
> > > >
> > > >
> > > > Solution 4, (Their solution. Confused about the logic)
> > > >
> > > > SW1.
> > > > switchport trunk allowed vlan 7.28,100
> > > > SW2
> > > > switchport trunk allowed vlan 8.28.100
> > > >
> > > >
> > > > Or others
> > > >
> > > > Any ideas about the best way?
> > > >
> > > >
> > > >
> > > >
> > ************************************************************************
> > ****
> > *
> > > > *
> > > > - NOTICE FROM DIMENSION DATA AUSTRALIA This message is confidential,
> >
> >
> > > > and may contain proprietary or legally privileged information. If
> > > > you have received this email in error,
> > please
> > > > notify the sender and delete it immediately.
> > > >
> > > > Internet communications are not secure. You should scan this message
> >
> > > > and any attachments for viruses. Under no circumstances do we
> > > > accept liability for any loss or damage which may result from your
> > > > receipt of this message or any attachments.
> > > >
> > > >
> > ************************************************************************
> > ****
> > *
> > > > *
> > > >
> > > > ____________________________________________________________________
> >
> > > > ___ Subscription information may be found at:
> > > > http://www.groupstudy.com/list/CCIELab.html
> > >
> > > ______________________________________________________________________
> >
> > > _ Subscription information may be found at:
> > > http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Fri Sep 01 2006 - 15:41:59 ART