Users Guide

Table Of Contents
underlay network, and EVPN routes in the VXLAN overlay network. All spine nodes are in one autonomous systemAS 101. All
leaf nodes are in another autonomous systemAS 100.
On VTEPs 1 and 2: Access ports are assigned to the virtual network using a switch-scoped VLAN. EVPN is configured using
auto-EVI mode.
On VTEPs 3 and 4: Access ports are assigned to the virtual network using a port-scoped VLAN. The EVPN instance is
configured using manual configuration mode. The RD and RT are configured using auto mode.
All VTEPs perform asymmetric IRB routing, in which:
IRB routing is performed only on ingress VTEPs.
Egress VTEPs perform IRB bridging.
Figure 15. VXLAN BGP EVPN use case
VXLAN
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