Dell MX9116n EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 938
Advertise VXLAN source IP address, Virtual network, Anycast gateway MAC address, address
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Table 41. MAC address for all VTEPs (continued) Virtual network VTEP Anycast gateway MAC address VNID 12 VTEP 1 VTEP 2 VTEP 3 00.11.22.33.44.55 00.11.22.33.44.55 00.11.22.33.44.55 VNID 13 VTEP 1 VTEP 2 VTEP 3 00.11.22.33.44.55 00.11.22.33.44.55 00.11.22.33.44.55 ● Configure a unique IP address on the virtual-network interface on each VTEP across all virtual networks. Configure the same anycast gateway IP address on all VTEPs in a virtual-network subnet. For example: Table 42. IP address on the virtual-network interface on each VTEP Virtual network VTEP Virtual-network IP address Anycast gateway IP address VNID 11 VTEP 1 VTEP 2 VTEP 3 10.10.1.201 10.10.1.202 10.10.1.203 10.10.1.254 10.10.1.254 10.10.1.254 VNID 12 VTEP 1 VTEP 2 VTEP 3 10.20.1.201 10.20.1.202 10.20.1.203 10.20.1.254 10.20.1.254 10.20.1.254 VNID 13 VTEP 1 VTEP 2 VTEP 3 10.30.1.201 10.30.1.202 10.30.1.203 10.30.1.254 10.30.1.254 10.30.1.254 Advertise VXLAN source IP address 1. Advertise the IP address of the local source tunnel interface to all VTEPs in the underlay IP network using the existing routing infrastructure. This example uses OSPF to advertise the VXLAN source IP address on Ethernet1/1/3, which is the underlay network-facing interface: OS10(config)# router ospf 100 OS10(config-ospf)# router-id 110.111.170.195 OS10(config-ospf)# exit OS10(config)# interface ethernet1/1/3 OS10(config-if-eth1/1/3)# ip ospf 100 area 0.0.0.0 OS10(config-if-eth1/1/3)# exit OS10(config)# interface loopback 1 OS10(config-if-lo-1)# ip ospf 100 area 0.0.0.0 Each VTEP switch in the underlay IP network learns the IP address of the VXLAN source interface. If a remote VTEP switch is not reachable, its status displays as DOWN in the show nve remote-vtep output. 2. Configure the MTU value on L3 underlay network-facing interfaces in Interface mode to be at least 50 bytes higher than the MTU on the server-facing links to allow for VXLAN encapsulation. The range is from 1312 to 9216. mtu value 3. Return to CONFIGURATION mode. exit 938 VXLAN
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