Dell PowerSwitch S4128F-ON EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 1072
Spine Switch 1 configuration, Con downstream ports as unnumbered interfaces. Con
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● On leaf switches 1 and 2, access ports are assigned to a virtual network using a switch-scoped VLAN. EVPN for the overlay VXLAN is configured using auto-EVI mode. ● On leaf switches 3 and 4, access ports are assigned to a virtual network using a port-scoped VLAN. EVPN for the overlay VXLAN is configured using manual EVI mode with RT and RD values configured in auto mode. ● On all VTEPs, symmetric IRB is configured in EVPN mode using a unique, dedicated VXLAN VNI, and Auto RD and Auto RT values for each tenant VRF. ● On all VTEPs, the disable-rt-asn command is used to autoderive the RT that does not include the ASN in the RT value. This allows auto RT to be used even if there are different ASNs for each leaf node. ● The VLAN to an external network is configured only on VTEPs 3 and 4 in the VLT domain that serves as the border leaf gateway. Spine Switch 1 configuration 1. Configure downstream ports as unnumbered interfaces. Configure the ipv6 nd send-ra command and lower RA intervals. These interfaces are used for BGP unnumbered peering. OS10(config)# interface ethernet1/1/1 OS10(conf-if-eth1/1/1)# no shutdown OS10(conf-if-eth1/1/1)# no switchport OS10(conf-if-eth1/1/1)# mtu 1650 OS10(conf-if-eth1/1/1)# ipv6 nd max-ra-interval 4 OS10(conf-if-eth1/1/1)# ipv6 nd min-ra-interval 3 OS10(conf-if-eth1/1/1)# ipv6 nd send-ra OS10(conf-if-eth1/1/1)# exit OS10(config)# interface ethernet1/1/2 OS10(conf-if-eth1/1/2)# no shutdown OS10(conf-if-eth1/1/2)# no switchport OS10(conf-if-eth1/1/1)# mtu 1650 OS10(conf-if-eth1/1/2)# ipv6 nd max-ra-interval 4 OS10(conf-if-eth1/1/2)# ipv6 nd min-ra-interval 3 OS10(conf-if-eth1/1/2)# ipv6 nd send-ra OS10(conf-if-eth1/1/2)# exit OS10(config)# interface ethernet1/1/3 OS10(conf-if-eth1/1/3)# no shutdown OS10(conf-if-eth1/1/3)# no switchport OS10(conf-if-eth1/1/3)# mtu 1650 OS10(conf-if-eth1/1/3)# ipv6 nd max-ra-interval 4 OS10(conf-if-eth1/1/3)# ipv6 nd min-ra-interval 3 OS10(conf-if-eth1/1/3)# ipv6 nd send-ra OS10(conf-if-eth1/1/3)# exit OS10(config)# interface ethernet1/1/4 OS10(conf-if-eth1/1/4)# no shutdown OS10(conf-if-eth1/1/4)# no switchport OS10(conf-if-eth1/1/4)# mtu 1650 OS10(conf-if-eth1/1/4)# ipv6 nd max-ra-interval 4 OS10(conf-if-eth1/1/4)# ipv6 nd min-ra-interval 3 OS10(conf-if-eth1/1/4)# ipv6 nd send-ra OS10(conf-if-eth1/1/4)# exit 2. Configure BGP instance with router id. OS10(config)# router bgp 101 OS10(config-router-bgp-101)# router-id 172.201.0.1 3. Configure the BGP unnumbered neighbor on Leaf-facing ports. Use a template to simplify the configuration on multiple interfaces. These neighbors are configured to carry IPv4 address family (default) and L2VPN EVPN address family. OS10(config-router-bgp-101)# template ebgp_unified OS10(config-router-template)# send-community extended OS10(config-router-template)# address-family l2vpn evpn OS10(config-router-bgp-template-af)# activate OS10(config-router-bgp-template-af)# exit OS10(config-router-template)# neighbor interface ethernet1/1/1 OS10(config-router-neighbor)# inherit template ebgp_unified inherit-type ebgp OS10(config-router-neighbor)# no shutdown OS10(config-router-neighbor)# exit OS10(config-router-bgp-101)# neighbor interface ethernet1/1/2 OS10(config-router-neighbor)# inherit template ebgp_unified inherit-type ebgp OS10(config-router-neighbor)# no shutdown OS10(config-router-neighbor)# exit OS10(config-router-bgp-101)# neighbor interface ethernet1/1/3 1072 VXLAN
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