Shaping using the 'shape' cli defines the max rate for a class; whereas, the 'bandwidth' cli defines the minimum bandwidth guarantee for that class under functional congestion.
shape average percent 20
bandwidth percent 10
bandwidth percent 30
- Traffic through class A will *always* get shaped to 20% of intf bandwidth. Doesn't matter whether the interface is congested or not.
- Traffic through class B and Class C will get a *minimum* guarantee of 10 and 30% of intf bandwidth when the interface is congested. When the interface is not congested, then there is really no need for a queueing policy (~ bandwidth cli) and the queueing part of the policy won't kick in. So, class B / class C can basically use the entire intf bandwidth if there is no traffic through the other (bandwidth) classes. However, should the physical interface be congested (tx_ring is full) then queueing kicks in and each class is given a minimum guarantee that's configured. The remaining bandwidth is shared amongst the bandwidth classes in the ratio of guarantees.
The following documents are reviewed on the Ask The Experts Session titled: Use Case Overview and Planning: Cisco DNA Center Project Planning.
Here you can find editable versions of the
Solution Requirements Document UCOP_CiscoDNACenterProjectPlann...
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