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vni x : intra-DC ( not extended over multi-site) vni y : extended across multi-site Both vni x & vni y using the same underlay Multicast group 239.1.1.1 Hosts in vlan x cannot communicate...
Both the local VNI & MS extended VNI are using the same Multicast-group.
--> use a different Multicast group for the MS extended VNI ( vni y) --> Configure the intra-DC VNI on the BGW-SPINE ( vni x)
The underlay control-plane on the SPINE looks correct ; l-nx9k-1# sh ip mroute 239.1.1.1 detail IP Multicast Routing Table for VRF "default" Total number of routes: 5 Total number of (*,G) routes: 1 Total number of (S,G) routes: 3 Total number of (*,G-prefix) routes: 1 (*, 239.1.1.1/32), uptime: 23:49:12, nve(1) ip(0) pim(2) RPF-Source: 10.1.253.254 [0/0] Data Created: No VXLAN Flags VXLAN Encap VXLAN Last Hop Stats: 0/0 [Packets/Bytes], 0.000 bps Stats: Inactive Flow Incoming interface: loopback254, RPF nbr: 10.1.253.254 LISP dest context id: 0 Outgoing interface list: (count: 3) (bridge-only: 0) Ethernet1/1, uptime: 05:34:47, pim Ethernet1/2, uptime: 23:48:55, pim nve1, uptime: 23:49:12, nve (10.1.251.1/32, 239.1.1.1/32), uptime: 23:48:07, pim(1) mrib(1) ip(0) <<<< src VTEP RPF-Source: 10.1.251.1 [2/110] Data Created: No VXLAN Flags VXLAN Decap Stats: 7510/476070 [Packets/Bytes], 603.200 bps Stats: Active Flow Incoming interface: Ethernet1/1, RPF nbr: 10.1.250.1, internal LISP dest context id: 0 Outgoing interface list: (count: 2) (bridge-only: 0) nve1, uptime: 23:48:07, mrib Ethernet1/2, uptime: 23:48:07, pim. >>>> Towards internal Destination VTEP We confirm the SPINE receives the Packet from the src VTEP : l-nx9k-1# sh hardware internal tah interface e1/1 ######################################### IfIndex: 0x1a000000 DstIndex: 6144 IfType: 26 Asic: 0 Asic: 0 AsicPort: 72 SrcId: 0 Slice: 1 PortOnSlice: 0 Table entries for interface Ethernet1/1 l-nx9k-1(TAH-elam-insel7)# report HEAVENLY ELAM REPORT SUMMARY slot - 1, asic - 0, slice - 1 ============================ Incoming Interface: Eth1/1 Src Idx : 0x1, Src BD : 0 Outgoing Interface Info: met_ptr 1 Drop Info: ---------- LUA: LUB: LUC: LUD: VLAN_XLATE_MISS Final Drops: VLAN_XLATE_MISS The destination VTEP does not receive the traffic.