VRRP over ATM LAN emulation requires enough configuration complexities to have it relegated to a separate IETF draft. We provide an overview of ATM and ATM LAN emulation in Appendix A as a basis for understanding this section. This section takes a closer look at both Ethernet and Token Ring LAN emulation over ATM and the requirements on part of a LAN emulation client (LEC) to interoperate with VRRP. Additionally, we also discuss the differences between LAN emulation version 1 (LANEv1) and LANEv2 with respect to VRRP.

As Appendix A explains, LAN emulation operates below the MAC layer and each LAN emulation client has a unique ATM address. Each LEC maintains a MAC-to-ATM address mapping. So in the case of routers running ...

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