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Occasional Contributor II
Posts: 77
Registered: ‎11-17-2011

Trunked port vs each vlan on its own port

Hello everyone, 

 

We have 4 vlans on our network,  and a 3400 controller,  so 4 ports total.     Is it better as far as performance is concerned to trunk all 4 vlans to one port,   or to put each vlan on its own port?     I assume each to its own port would help remove a bottleneck,  but i'm wrong quite often! 

 

Thanks

 

Brandon

Guru Elite
Posts: 21,272
Registered: ‎03-29-2007

Re: Trunked port vs each vlan on its own port

Measure the utilization on that port and you would be suprised at the answer.



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

MVP
Posts: 562
Registered: ‎11-28-2011

Re: Trunked port vs each vlan on its own port

I'd recommend both assuming your switches are of a good new and solid type. Assuming your switches support it, create a port-channel, aggregate all four ports together and trunk/vlan-tag the connection as a whole. Best of both plus resilient to port failure!

 

Kudos appreciated, but I'm not hunting! (ACMX 104)
Occasional Contributor II
Posts: 77
Registered: ‎11-17-2011

Re: Trunked port vs each vlan on its own port

Switch should support just about anything,  its a HP procurve 5406_zl.    Does the aruba 3400 controller support link aggregation?   Didn't see any options for it.   

Guru Elite
Posts: 21,272
Registered: ‎03-29-2007

Re: Trunked port vs each vlan on its own port

Yes.  Please search the user guide for link aggregation.

 

 

 



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Aruba Employee
Posts: 117
Registered: ‎09-21-2010

Re: Trunked port vs each vlan on its own port

See the Appendix in campus VRD availabel at www.arubanteworks.com/vrd

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