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Auto-calculated burst size = Number of bits that can be transmitted in 80ms at the configured rate limit
Example
Rate limit = 100 Mbps
Calculated burst size applied = 8,000 Kbits
Calix recommends the port burst size parameter reflect double the Round Trip Delay (RTD)
of the network, with 40 ms used as the default RTD. It is not possible to have a burst size
less than the MTU of the interface.
CoS application for Link Aggregation Groups (LAG)
Rate limiters and shapers on a LAG are applied as follows:
The maximum and minimum bandwidth rates per CoS are applied to the LAG interface
on ingress. The resulting rate limit is distributed over all links in the LAG.
The port shaping rate and burst size for traffic shaping are applied per-Ethernet port
independent of the other links in the LAG interface.
See "Traffic Management" and "Data Path" in the Calix E7 Engineering and Planning Guide.
Note: The upstream traffic on a service VLAN must have the same priority value as is set
for downstream traffic. The priority value must also be consistent with the class of service
type as defined in the Ethernet port CoS table.
Class of service parameters
You can provision the following parameters for class of service:
Parameter Description Valid Options
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