Wired Intelligent Edge (Campus Switching and Routing)

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Occasional Contributor II

How to calculate stacking bandwidth

Hi guys,

How ı can calculate stacking bandwidth on arubaos family?
For example: 2930F 5510 5400

Thank you

MVP Expert

Re: How to calculate stacking bandwidth

All three Switch series you mentioned can form a Logical Stack (using VSF on Aruba 2930F and Aruba 5400R zl2, using IRF on HPE 5510) using frontplane (generally involving one or more 1G, 10G, 40G or 100G ports)...so your question lacks of detail.

What are you trying to understand? Are you trying to understand the maximum VSF/IRF logical port throughput?
Occasional Contributor II

Re: How to calculate stacking bandwidth

Hi parnassus,

Just I want competetive different brand's. I want learn, how can ı calculate. because Cisco's datasheet has stacking bandwidth. You can see below. But that information doesn't write our documentation

https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-3850-series-switches/white-paper-c11-734429.html

5406  support 2 device on vsf  with 40G
2930F support 8 device on vsf with 10G
3810   support 10 device on Backplane stack witch special stack cable.


Pleace can you help me?

MVP Expert

Re: How to calculate stacking bandwidth

VSF deployed on two Aruba 5400R zl2 can be deployed with VSF Port (chain topology) with up to eight 40Gbps physical links (or up to eight 10Gbps physical links)...so I would say that you will end up, at maximum, with an 320Gbps/80Gbps VSF Port throughput.

 

Aruba 2930F doesn't support 40Gbps so VSF Port is limited to up to eight 10Gbps physical links (see above for throughput).

 

Aruba 3810M supports Backplane Stacking, correct:

 

  • Stack port throughput: up to 40Gbps
  • Stack module throughput: up to 160Gbps
Occasional Contributor II

Re: How to calculate stacking bandwidth

According to this switching capacity, is it true? multiply Switch's support stack uplink numbers?

2930F jl254A 4x10G = 80 Gb 
2930M = 80 Gb




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