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Note: Unlike ATM, which supports dynamic upper interfaces over static ATM 1483 subinterfaces, you must configure a dynamic VLAN subinterface to enable autodetection and dynamic creation of IP and PPPoE interfaces. |
E-series routers support configuration of dynamic VLAN subinterfaces over static VLAN major interfaces over Ethernet.
When you configure the dynamic VLAN subinterface, you can enable autodetection and dynamic creation of the following upper-layer encapsulation types:
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Note: Unlike ATM, which supports dynamic upper interfaces over static ATM 1483 subinterfaces, you must configure a dynamic VLAN subinterface to enable autodetection and dynamic creation of IP and PPPoE interfaces. |
Figure 51 shows the dynamic upper-interface columns supported by dynamic VLAN subinterfaces, and indicates which layers in the columns are static and dynamic.
Figure 51: Dynamic Interface Columns over Dynamic VLAN Subinterfaces
Unlike ATM 1483, you can configure both IP and PPPoE over a single dynamic VLAN subinterface (Figure 52).
Figure 52: Dynamic IP and PPPoE over Single Dynamic VLAN Subinterface
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