we have a part of a very huge L2 based metwork. On some towns we can create a ring in this network. I need to make loadbalancing throught this ring based on L2. My biggest problem is that i need asymetric loadbalancig just on 2 places in network.Is there any way to make this with cisco Catalyst lan base 2960S?
I need to have redundancy and loadbalancing on Switch 6 and Switch 5.
But Link from Switch is only 400 Mb/s and link from Switch 3 is only 200 Mb/s.
All other links are 1 gig based.
The redundancy and loadbalancing is needed only for 1 Vlan.
I don't see how that would be possible. STP will create topology based on cost and block some links. Even if you manipulate which links go blocking you could not still achieve load sharing. It's difficult to achieve load sharing at L2 unless it is by using portchannels and even at L3 it can be difficult.
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For a single VLAN? Well you can architect your STP topology so that the two low capacity links won't be the ones that block.
Controlling what traffic flows acoss those two non-blocked low capacity links might be complex. For example, would might need to architect multiple gateways, but you didn't mention any L3.
Normally for just L2, you use multiple VLANs so you can balance with per-vlan STP or MST.
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