If your not routing on the 6500's where are you going to route? I would personally
highly suggest each 4000 link back to the each 6500 and a combination of HSRP and Per
VLAN STP be used to balance the use of the gigabit links. As to which 6500 internet
traffic uses, I suggest that it really doesn't matter. The PIX won't forward much
more than 90Meg at theoretical max and I'm certain the internet drain is a little
smaller :)
In a design such as this, you definitely want to provision for redundancy, such that
you can lose a core box and maintain connectivity to the edge. Your not spending
100k extra just to get better use of a single gig link.
Pete
*********** REPLY SEPARATOR ***********
On 3/18/2001 at 8:20 AM Santosh Koshy wrote:
>I am going to make a few assumptions here based on your request
>
> 4003 4003 4003
>
> 6509 6509
>
> PIX
>
> WWW
>
>1) Dont run any kind of routing at the core layer.... leave that job for
>the
>distribution layer
>2) Now since there is no L3 routing taking place at the core, it means that
>there are going to be 2 subnets from the distribution switches to the core
>switches. All the links to the first 6509 will be on one VLAN and all the
>wires going to the 2nd switch will belong to the second VLAN.
>3) Get a Pix with 3 interfaces. Use 1 as an external interface (to www),
>and
>use the other two as internal interfaces (one going to each of the 2 VLAN's
>the 4003's) are connected to.
>
>With the above setup your traffic will be load balanced.... and both
>subnets
>will be in use...
>
>Hope that helps,
>Santosh Koshy
>
>
>
>
>
>
>
>
>
>
>""frank"" <[EMAIL PROTECTED]> wrote in message
>992dnf$jd9$[EMAIL PROTECTED]">news:992dnf$jd9$[EMAIL PROTECTED]...
>> Now I want to design a lan for a company, i want to use 2 6509s as core
>> switches for redundancy ,several 4003 as distribution switches .Each 4003
>> connect to 6509 seperately ,2 6509 connect to a pix which links to
>> internet.
>> What puzzled me is how to deal with these 2 6509s.Do they need to be
>> connected with GEC technology and apply HSRP on them ?If they don't have
>> links ,which link should a 4003 choose to visit internet?
>>
>>
>> Thanks,
>>
>> Frank
>>
>>
>>
>>
>>
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