Dell PowerSwitch S5212F-ON EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 977
Con BGP EVPN for VXLAN
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Configure BGP EVPN for VXLAN To set up BGP EVPN service in a VXLAN overlay network: 1. Configure the VXLAN overlay network. If you enable routing for VXLAN virtual networks, Integrated Routing and Bridging (IRB) for BGP EVPN is automatically enabled. For more information, see Configure VXLAN. 2. Configure BGP to advertise EVPN routes. 3. Configure EVPN, including the VNI, RD, and RT values associated with the EVPN instance. 4. Verify the BGP EVPN configuration. Configuration 1. Configure BGP to advertise EVPN routes. EVPN requires that you establish MP-BGP sessions between leaf and spine nodes in the underlay network. On each spine and leaf node, configure at least two BGP peering sessions: ● A directly connected BGP peer in the underlay network to advertise VTEP and Loopback IP addresses using the IPv4 unicast address family. ● A BGP peer in the overlay network to advertise overlay information using the EVPN address family. In BGP peer sessions in the overlay, activate only the EVPN address family. For each BGP peer session in the underlay network: a. Create a BGP instance in CONFIGURATION mode. You enter router BGP configuration mode. router bgp as-number b. Assign an IP address to the BGP instance in ROUTER-BGP mode. router-id ip-address c. Enter IPv4 address-family configuration mode from ROUTER-BGP mode. address-family ipv4 unicast d. Advertise the IPv4 prefix to BGP peers in the address family in ROUTER-BGP-ADDRESS-FAMILY mode. network ip-address/mask e. Return to ROUTER-BGP mode. exit f. Configure the BGP peer address in ROUTER-BGP mode. neighbor ip-address g. Assign the BGP neighbor to an autonomous system in ROUTER-BGP-NEIGHBOR mode. remote-as as-number h. Enable the peer session with the BGP neighbor in ROUTER-BGP-NEIGHBOR mode. no shutdown i. Return to ROUTER-BGP mode. exit For each BGP peer session in the overlay network: a. Configure the BGP peer using its Loopback IP address on the VTEP in ROUTER-BGP mode. neighbor loopback-ip-address b. Assign the BGP neighbor Loopback address to the autonomous system in ROUTER-BGP-NEIGHBOR mode. The neighbor Loopback IP address is the source interface on the remote VTEP. remote-as as-number VXLAN 977
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