From: ENVULADU TSAKU (tenvuladu@gmail.com)
Date: Wed Jun 18 2008 - 06:56:01 ART
Guys,
Let me use this opurtunity to ask this.
I know all the functions of the Core layer of a network and how it should be
designed.But in the real world,what else do you configure on the core layer
switch ?
On Wed, Jun 18, 2008 at 10:00 AM, shahid Ansari <shahid1357@gmail.com>
wrote:
> Hi Vineesh/Ananth,
>
> Rather than using STP with PVST+ ,use RSTP so no need to configure
> uplinkfast on access switches and Backbonefast(Globally)
> If You are using Cisco Routers use GLBP rather than HSRP ( To avoide
> Multiple HSRP Group for loadbalancing )
> In HSRP if u wan loadbalance you need to use multiple defaultgateway
> for Clients whereas in GLBP One single gateway .
>
> GLBP can do load-balance by 1)weighted 2)Round-Robin 3) host-dependent .
>
> Use VTP domain(Primaryserver -Core 1,SecServer - Core2) ,If you are
> using VTP domain use VTP Pruning enable to avoid unnecessary Traffic .
>
> If you are using Voice make plan for QOS (End to End)
>
> as you mention Network is p2p use default route (Or Static Route)
>
> Many More,
>
> Thanks
> Shahid Ansari
> CCIE(R/S,Security)
>
>
>
>
>
>
>
>
> On 6/18/08, A.G. Ananth Sarma (GMail) <ananth.sarma@gmail.com> wrote:
> > Hi,
> >
> > It is high time that you segregate the flat network with that many VLANs
> for
> > such a large node base. .
> >
> > Do you have redundancy at core? If so, you can fine tune / load balance
> the
> > STP with PVST+ and HSRP for Router redundancy.
> >
> > Also,enable BPDUGUARD at the global level on the core.
> >
> > On the access ports, enable the "storm-control broadcast" command to an
> > acceptable percentage, say 70%.
> >
> > My few cents.
> >
> > Regards,
> >
> > Ananth
> > On Tue, Jun 17, 2008 at 8:57 PM, vineesh viswanath <
> > vineesh_viswanath@hotmail.com> wrote:
> >
> >> I have got a large Flat network , about 2000 user network , backbone
> >> switch
> >> is 6509 on the hq with many 3550 , 2800, 1800 and 500.
> >>
> >> there is only 2 vlan , 1 for data and 1 for voice , default vlan is 20
> >>
> >> this network connects p2p to other branch offices ,
> >>
> >> What are the major design constraints which i need to note down before
> >> going on segregating the network .
> >>
> >> the new setup posts about 10 vlan .
> >>
> >> regards
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