Assigning VXLAN tunnels to a VXLAN
To provide Layer 2 connectivity for a VXLAN between two sites, you must assign the VXLAN tunnel between the sites to the VXLAN.
You can assign multiple VXLAN tunnels to a VXLAN, and configure a VXLAN tunnel to trunk multiple VXLANs. For a unicast-mode VXLAN, the system floods unknown unicast, multicast, and broadcast traffic to each tunnel associated with the VXLAN. If a flood proxy server is used, the VTEP sends flood traffic to the server through the flood proxy tunnel. The flood proxy server replicates and forwards flood traffic to remote VTEPs.
To assign VXLAN tunnels to a VXLAN:
Step | Command | Remarks |
|---|---|---|
1. Enter system view. | system-view | N/A |
2. Enter VSI view. | vsi vsi-name | N/A |
3. Enter VXLAN view. | vxlan vxlan-id | N/A |
4. Assign VXLAN tunnels to the VXLAN. | tunnel { tunnel-number [ backup-tunnel tunnel-number | flooding-proxy ] | all } | By default, a VXLAN does not contain any VXLAN tunnels. For full Layer 2 connectivity in the VXLAN, make sure the VXLAN contains the VXLAN tunnel between each pair of sites in the VXLAN. To assign a pair of primary and backup VXLAN tunnels to the VXLAN, specify the backup-tunnel tunnel-number option. When the primary VXLAN tunnel is operating correctly, the backup VXLAN tunnel does not forward traffic. When the primary VXLAN tunnel goes down, traffic is switched to the backup VXLAN tunnel. Enable flood proxy on the tunnel for the VTEP to send flood traffic to the flood proxy server. The flood proxy server replicates and forwards flood traffic to remote VTEPs. Centralized VXLAN IP gateway groups cannot work with the flood proxy feature. Do not use them together in a VXLAN. For more information about centralized VXLAN IP gateway groups, see "Configuring a centralized VXLAN IP gateway group." |