Dell S5248F-ON EMC Networking Virtualization Overlay with BGP EVPN - Page 58
Validate connectivity
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11 Validate connectivity The switches in this guide were configured to allow all VMs to communicate with each other and the external network. In this section, connectivity is tested between VMs on the same and different VNIs. Tunneled Layer 2 bridging, routing via anycast gateways, and routing via the indirect gateway are demonstrated. Note: Guest operating system firewalls may need to be temporarily disabled or modified to allow responses to ICMP ping requests. Z9264F-1 Z9264F-2 VNI 1615 VRF tenant1 VNI 1614 VNI 1616 eBGP ECMP eBGP VTEP 10.222.222.1 S5248F-1a VLTi S5248F-1b 172.16.14.253 17V2N.1I6.1165.12453 VLT VM-1614-1 R740xd-1 VM-1616-1 R740xd-2 VTEP 10.222.222.2 S4148U-2a VLTi S4148U-2b 172.16.14.253 172.16.15.253 VLT VM-1614-3 R740xd-3 VM-1615-3 R740xd-4 VTEP 10.222.222.3 S4148U-3a VLTi S4148U-3b Border leafs VLT 172.16.16.253 Gateway/ Firewall Loopback0 1.1.1.1/32 Rack 1 Rack 2 172.16.14.253 Anycast gateway - VNI 1614 172.16.15.253 Anycast gateway - VNI 1615 172.16.16.253 Indirect gateway - VNI 1616 VM VM on VNI 1614, IP 172.16.14.x /24 VM VM on VNI 1615, IP 172.16.15.x /24 VM VM on VNI 1616, IP 172.16.16.x /24 Topology with VMs and IP addresses used in validation examples Rack n Physical L3 connection Physical L2 connection Virtual L2 connection Virtual L2 connection Virtual L2 connection 11.1 Validate tunneled Layer 2 bridging This test is between two VMs on the same VNI but connected to different leaf pairs. In this example, VM1614-1 pings VM-1614-3. VM-1614-1 has the IP address 172.16.14.1. As shown in Figure 22, it is on R740xd-1 connected to the first leaf pair in Rack 1. VM-1614-3 has the IP address 172.16.14.3. It is on R740xd-3 connected to the second leaf pair in Rack 2. A packet capture of the successful exchange with a ping request selected is shown in Figure 23. 58 Dell EMC Networking Virtualization Overlay with BGP EVPN
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