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Cisco 29xx/39xx routers QoS bandwdith calculation

dwojtkowiak
Level 1
Level 1

Hi,

 

Does anyone know if routers 29xx/39xx calculate bandwidth for QoS including L2 or just L3 headers?

1 Reply 1

mlund
Level 7
Level 7

Hi

For those routers the Layer2 is not included in the computation.

 

When you configure these commands, be aware of bandwidth limitations and configure bandwidth

according to requirements in your network. Remember, the sum of all bandwidths cannot exceed the

maximum reserved bandwidth. The default maximum bandwidth is 75 percent of the total available

bandwidth on the interface. The remaining 25 percent of bandwidth is used for overhead, including

Layer 2 overhead, routing traffic, and best-effort traffic.

 

/Mikael