Edison Ortiz Tue, 07/07/2009 - 07:27
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A switch cluster is a set of up to 16 connected, cluster-capable Catalyst switches that are managed as a single entity. The switches in the cluster use the switch clustering technology so that you can configure and troubleshoot a group of different Catalyst desktop switch platforms through a single IP address.


More information:

http://www.cisco.com/en/US/docs/switches/lan/catalyst2960/software/release/12.2_46_se/configuration/guide/swclus.html


HTH,


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Joseph W. Doherty Tue, 07/07/2009 - 07:31
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Clustering allows you to manage several switches as one. It also allows the switches to share one management address.


Here are a couple of references to provide more information:


http://www.cisco.com/en/US/products/hw/switches/ps5023/products_tech_note09186a008011766b.shtml


http://www.cisco.com/en/US/products/hw/switches/ps607/products_tech_note09186a00801347f8.shtml

sivaprakasam81 Tue, 07/07/2009 - 07:54
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Thank you, then how clustering differs from Stacking in 3000 series switch?



Edison Ortiz Tue, 07/07/2009 - 08:18
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When you cluster, you still uplink the switches via the physical front switchports and the throughput is limited to the physical bandwidth on the switchport.


On the stacking, the bandwidth is much greater. On 3750, the stacking speed is rated at 32Gbps while on 3750-E, is rated at 64Gbps.


HTH,


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Joseph W. Doherty Tue, 07/07/2009 - 09:58
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Besides physical attributes, one that Edison mentions, and the need to use special stack ports and distance limitations for those ports, something like a 3750 stack is much more tightly logically coupled. For instance, a 3750 stack behaves much like a chassis, e.g. one "router", able to Etherchannel between member switches, etc.

Leo Laohoo Tue, 07/07/2009 - 14:14
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sivaprakasam81 Tue, 07/07/2009 - 15:33
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Thank you Leo,


Do you about the requirement for 96 DS3's over 2 OC-48's. What cisco product do i need to use to accompolish this one?

Leo Laohoo Tue, 07/07/2009 - 15:48
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Thanks for the ratings Sivaprakasam.

sivaprakasam81 Tue, 07/07/2009 - 16:18
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Thank you Leo,


Do you know about the requirement for 96 DS3's over 2 OC-48's. What cisco product do i need to use to accompolish this one?



Leo Laohoo Tue, 07/07/2009 - 16:25
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Hi Sivaprakasam,


Unfortunately, no.

Edison Ortiz Tue, 07/07/2009 - 17:52
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That's a high scale deployment. To do things right, I recommend contacting your local Cisco sales office and they can come onsite and provide information on the equipment that you need. Hard to provide that kind of information in an online forum.


HTH,


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