From: shahid Ansari (shahid1357@gmail.com)
Date: Wed Jun 18 2008 - 16:04:37 ART
Use this link www.cisco.com
bye
Shahid
On 6/18/08, ENVULADU TSAKU <tenvuladu@gmail.com> wrote:
> 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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>> >>
>> >>
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