Restrictions for Port-Shaper and LLQ in the Presence of EFPs
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If you configure port level shaper with the policy applied at EFP level then port shaper does not work. However, 3 level HQoS policy with port and logical shaper can be applied at the EFP level. Logical shaper configured at logical level does work but port shaper does not work.
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If you configure a class-based HQOS or LLQ policy on the port, you cannot configure service-policies on Ethernet Flow Points (EFPs). The only exception to this is the class-default shaper policy and match EFP policy.
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If you configure a class-based policy on the port, you cannot configure service-policies on EFPs.
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If you configure a class-default port-shaper based policy on the port, you can configure service-policy on EFPs.
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Usage of bandwidth remaining percentage (BRP) in the absence of priority class, allocates the available bandwidth in an iterative way. For example, the bandwidth is allocated for the first BRP class as per the percentage of share configured in the respective class-map and the remaining bandwidth is iteratively allocated to all other BRP classes until the bandwidth is exhausted.