Figure 1: EVPN VXLAN Topology The following are the various troubleshooting scenarios that apply to BGP EVPN VXLAN for the topology illustrated in the figure above: Scenario 1: Troubleshooting Broadcast, Unknown Unicast, Multicast traffic Forwarding Scenario 2: Troubleshooting Unicast Forwarding Between VTEPs in the Same VLAN Through a Layer 2 VNI Scenario 3: Troubleshooting Unicast Forwarding Between VTEPS in Different VLANs Through a Layer 3 VNI Scenario 4:
Troubleshooting Unicast Forwarding Between a VXLAN Network and an IP Network Troubleshooting Broadcast, Unkown Unicast, Multicast Traffic Forwarding This scenario might occur when host device 2 attempts to learn the ARP for host device 3 in Figure 1: EVPN VXLAN Topology, on page 2 . Perform the checks listed in the following table before troubleshooting BUM traffic forwarding: Troubleshooting BGP EVPN VXLAN Troubleshooting Broadcast, Unkown Unicast, Multicast Traffic Forwarding Troubleshooting BGP EVPN VXLAN 2