Connectivity Guide

that acts as a DHCP relay must have its virtual-network IP address installed using a route leaking mechanism as a route to the underlay and
advertised to all underlay routers, including the spine switches.
Similarly, the DHCP server in the underlay VRF must be reachable from the client tenant VRF in the overlay. Congure a static route for the
DHCP server subnet in the underlay default VRF, and leak the static route to the client tenant VRF in the overlay. This conguration sets up
a bi-directional communication between the client and DHCP server across the virtual networks. The route-leaking conguration is not
required if the VxLAN overlay subnet and underlay subnet are in same default VRF.
Congure DHCP relay on VTEPs
1 Congure the IP address of the virtual-network relay interface in the non-default tenant VRF as a static route in the default VRF.
OS10(config)# ip route 10.10.0.2/32 interface virtual-network 10
2 Congure a static IP route to the DHCP server interface in the tenant VRF.
OS10(config)# ip route vrf tenant01 40.1.1.0/24 interface vlan40
3 Congure DHCP relay on the virtual-network interface of the tenant VRF.
OS10(config)# interface virtual-network 10
OS10(conf-if-vn-10)# ip helper-address 40.1.1.1 vrf tenant01
View VXLAN conguration
Use show commands to verify the VXLAN conguration and monitor VXLAN operation.
View the VXLAN virtual network
OS10# show virtual-network
Codes: DP - MAC-learn Dataplane, CP - MAC-learn Controlplane, UUD - Unknown-Unicast-Drop
Un-tagged VLAN: 888
Virtual Network: 60000
VLTi-VLAN: 2500
Members:
VLAN 1000: port-channel1, ethernet1/1/9, ethernet1/1/10
VLAN 2500: port-channel1000
VxLAN Virtual Network Identifier: 16775000
Source Interface: loopback100(222.222.222.222)
Remote-VTEPs (flood-list): 55.55.55.55(DP),77.1.1.1(DP)
View the VXLAN virtual-network port
OS10# show virtual-network interface ethernet 1/1/1
Interface Vlan Virtual-network
ethernet1/1/1 100 1000
ethernet1/1/1 200 2000
ethernet1/1/1 300 3000
View the VXLAN virtual-network VLAN
OS10# show virtual-network vlan 100
Vlan Virtual-network Interface
100 1000 ethernet1/1/1,ethernet1/1/2
100 5000 ethernet1/1/2
View the VXLAN virtual-network VLANs
OS10# show vlan
Codes: * - Default VLAN, M - Management VLAN, R - Remote Port Mirroring VLANs,
@ – Attached to Virtual Network
Q: A - Access (Untagged), T - Tagged
NUM Status Description Q Ports
* 1 up A Eth1/1/1-1/1/48
@ 100 up T Eth1/1/2,Eth1/1/3
A Eth1/1/1
@ 101 up T port-channel5
200 up T Eth1/1/11-1/1/15
VXLAN
689