Table 10: Configure Spine Switch 1, Spine Switch 2, and External Device Configuring Optimized Layer 2 Overlay Multicast Example 5: Configuring Optimized Layer 2 Overlay Multicast Interworking with External Network for IPv4 Spine Switch 1 Spine Switch 2 External Device EXT#show running-config hostname EXT ! ip multicast-routing distributed ! bridge-domain 103 bridge-domain 104 ! interface Loopback255 ip address 192.168.255.255 255.255.255.255 ip pim sparse-mode ip ospf 2 area 0 ! interface GigabitEthernet0/0/0 ip address 192.168.1.2 255.255.255.0 ip pim sparse-mode ip ospf network point-to-point ip ospf 2 area 0 negotiation auto !
interface GigabitEthernet0/0/3 no ip address negotiation auto service instance 103 ethernet encapsulation default bridge-domain 103 ! service instance 104 ethernet encapsulation dot1q 104 rewrite ingress tag pop 1 symmetric bridge-domain 104 ! interface BDI103 ip address 192.168.103.1 255.255.255.0 ip pim sparse-mode ip ospf 2 area 0 ! interface BDI104 ip address 192.168.104.1 255.255.255.0 ip pim sparse-mode ip ospf 2 area 0 ! router ospf 2 passive-interface BDI103 passive-interface BDI104 ! no ip http server no ip http secure-server no ip forward-protocol nd ! ip pim rp-address 192.168.255.255 ! end Configuring Optimized Layer 2 Overlay Multicast 115