This application provides a communication method and apparatus. The method includes: A first communication apparatus receives a first EVPN MAC route from a second communication apparatus, where the first EVPN MAC route carries a first MAC address and a first VNI. The first communication apparatus generates a second EVPN MAC route based on the first EVPN MAC route, where the second EVPN MAC route carries the first MAC address and a first SID that is of the first communication apparatus and that corresponds to the first VNI. The first communication apparatus sends the second EVPN MAC route to a third communication apparatus. This application implements interconnection between a VXLAN and an SRv6 network.