Configuring Load Balancing

You must configure load balancing to balance traffic over a DCN.

Procedure

Configure DCGWs.
1. Run bgp { as-number-plain | as-number-dot }
  The BGP view is displayed.
2. Enter the BGP-VPN instance IPv4/IPv6 address family view.
  - Run ipv4-family vpn-instance vpn-instance-name
    
    The BGP-VPN instance IPv4 address family view is displayed.
  - Run ipv6-family vpn-instance vpn-instance-name
    
    The BGP-VPN instance IPv6 address family view is displayed.
3. Run maximum load-balancing [ ebgp | ibgp ] number [ ecmp-nexthop-changed ]
  The maximum number of equal-cost routes for load balancing is set.
4. Run quit
  Exit from the BGP-VPN instance IPv4/IPv6 address family view.
5. Run l2vpn-family evpn
  The BGP-EVPN address family view is displayed.
6. Run peer { ipv4-address | group-name } capability-advertise add-path { send | receive | both }
  Sending Add-Path routes to or receiving Add-Path routes from a specified peer is enabled on this device.
7. Run peer { ipv4-address | group-name } advertise add-path path-number path-number
  The number of routes that the device can send to a specified peer is configured.
8. Run quit
  Exit from the BGP-EVPN address family view.
9. Run quit
  Exit from the BGP view.
10. Run commit
  The configuration is committed.
Configure L2GW/L3GWs.
1. Run bgp { as-number-plain | as-number-dot }
  The BGP view is displayed.
2. Enter the BGP-VPN instance IPv4/IPv6 address family view.
  - Run ipv4-family vpn-instance vpn-instance-name
    
    The BGP-VPN instance IPv4 address family view is displayed.
  - Run ipv6-family vpn-instance vpn-instance-name
    
    The BGP-VPN instance IPv6 address family view is displayed.
3. Run maximum load-balancing [ ebgp | ibgp ] number [ ecmp-nexthop-changed ]
  The maximum number of equal-cost routes for load balancing is set.
4. Run quit
  Exit from the BGP-VPN instance IPv4/IPv6 address family view.
5. Run l2vpn-family evpn
  The BGP-EVPN address family view is displayed.
6. Run bestroute add-path path-number path-number
  BGP Add-Path is enabled, and the number of routes that the device can select is configured.
7. Run peer { ipv4-address | group-name } capability-advertise add-path { send | receive | both }
  Sending Add-Path routes to or receiving Add-Path routes from a specified peer is enabled on this device.
8. Run peer { ipv4-address | group-name } advertise add-path path-number path-number
  The number of routes that the device can send to a specified peer is configured.
9. Run quit
  Exit from the BGP-EVPN address family view.
10. Run quit
  Exit from the BGP view.
11. Run commit
  The configuration is committed.