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Use normal trunk port or use channel for connection access switch

Good afternoon people,

 

I have a question,

What will be the best option, I have backbone 4705E2x,  2x 3750X core switch (stacked) and will attach around 35 access switches (2960) to it for some production area.

 

I want to connect them as channel so I have a uplink of 2GB, when I would make just a trunk on both GB ports, SPT will automatically block one and I will have a uplink of only 1 GB.

 

What is the best option ?

 

See PDF file for drawing

 

Thanks guys!

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VIP Mentor

I think, you already knew the

I think, you already knew the answer while writing your question? ;-)

Yes, use a channel! Why wasting half of your uplink-bandwidth when you don't have to. Ok, also without a channel you could utilize both links with different spanning-tree costs for different links. But a channel should be better in every way.

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Enthusiast

If you are going to do two

If you are going to do two links I would put them in an etherchannel. You will have bandwidth and failover capabilities.

Highlighted
VIP Mentor

I think, you already knew the

I think, you already knew the answer while writing your question? ;-)

Yes, use a channel! Why wasting half of your uplink-bandwidth when you don't have to. Ok, also without a channel you could utilize both links with different spanning-tree costs for different links. But a channel should be better in every way.

View solution in original post

Thanks Karsten, Well i was a

Thanks Karsten,

 

Well i was a little in doubt and needed some confirmation to be shore.

That's why i asked this question.

 

Thanks a lot.... 

Have a great day

Highlighted
VIP Mentor

In your picture it seems that

In your picture it seems that both 4k are only connected to one core-switch each. Make sure that you connect one channel-link to the first stack-member and the other channel-link to the other stack-member. With that you also have redundancy in case of a failing stack-member.
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