From: Emad (emad@zakq8.com)
Date: Mon Jun 02 2003 - 02:36:13 GMT-3
I have big building with 4507 in each floor connected by two giga links to two 6513 switches , and I want to make load balancing between these two links , take into considerations that each switch 4507 have only one vlan for this floor , I think I can't use hsrp in this case which is one vlan only and one switch per each floor
-----Original Message-----
From: Colin Barber [mailto:Colin.Barber@telewest.co.uk]
Sent: Sunday, June 01, 2003 9:56 PM
To: Emad; CCIE LAB (E-mail)
Subject: RE: switching block design
As you have layer 3 capabilities with the 4507 at the edge I would use this,
making all your links routed and use OSPF.
If you use HSRP on the core switches you will need to make half your clients
on each one of the edge switches use one HSRP default gateway and the other
half another one to achieve load balancing. There is more work for your core
switches here, running HSRP and running spanning tree with the edge switches
across the layer 2 link. Also you have the chance of a layer 2 problem at
the edge (broadcast storm for example) affecting the core.
Colin
-----Original Message-----
From: Emad [mailto:emad@zakq8.com]
Sent: 01 June 2003 18:36
To: CCIE LAB (E-mail)
Subject: switching block design
Folks,
I jus want to share a design with you,
I have two core switches 6513 connected together through two giga ports and
I have two switches 4507 (each one of them is connected by one link to both
switches 6513) and each switch 4507 has one vlan only configured on it , if
I want to have load balancing on the switch 4507 to the two switches 6513 ,
what is more suitable , running ospf between these two uplinks or having
HSRP running on the two interfaces and how can I do it?
Please advise
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