A bridged Ethernet interface is IP over bridged Ethernet over ATM 1483 over ATM AAL5 over ATM.
When bridged Ethernet packets are received over ATM circuits, the bridged Ethernet and IP interfaces are dynamically constructed over the corresponding ATM 1483 interfaces and use the configuration data received from the RADIUS server, a profile, or both.
Figure 47 shows the protocol layers that represent the bridged Ethernet interface columns, and the layers within the interface columns that are static and dynamic.
Figure 47: Dynamic Bridged Ethernet over Static ATM 1483 Interface Columns
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