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PPPoE with Ethernet Modules Configuration Overview
You can configure PPPoE on Fast Ethernet (FE), Gigabit Ethernet (GE), and 10-Gigabit Ethernet (10GE) modules. You can configure Ethernet interfaces with IP only, with PPPoE only, with both IP and PPPoE, and with or without VLANs.
This topic provides information about configuring PPPoE without VLANs as well as configuring PPPoE with VLANs. You can configure IPv4 and IPv6 interface columns over static PPPoE with VLAN, as shown in Figure 41.
Figure 41: Example of Configuring IPv4 and IPv6 over PPPoE
You can also configure an IP interface over PPPoE without VLAN. Figure 42 illustrates the interface stack for this type of configuration.
Figure 42: Example of PPPoE Stacking
If you want to configure PPPoE with VLANs, see Configuring VLAN and S-VLAN Subinterfaces , which shows common VLAN configurations such as:
- PPPoE over VLAN
- IP over VLAN and PPPoE over VLAN
Note: Configuring VLAN and S-VLAN Subinterfaces provides other non-VLAN configuration examples, such as configurations using MPLS.
For more information about specific Ethernet modules and the protocols and applications they support, see:
- ERX Module Guide, Appendix A, Module Protocol Support (for ERX7xx models, ERX14xx models, and ERX310 router)
- E120 and E320 Module Guide, Appendix A, IOA Protocol Support (for E120 and E320 routers)
PPPoE Interface and Subinterface Limits
PPPoE subinterfaces can be distributed in any way across I/O module ports. For example, you can configure the maximum supported number of PPPoE subinterfaces on one port of an FE-2 I/O module and no PPPoE subinterfaces on the other port.
For information about current system maximums supported for PPPoE interfaces and subinterfaces, see JunosE Release Notes, Appendix A, System Maximums.
