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# Create node 0, use ACL 3000 to match packets with source IP address 10.1.1.1 and
destination IP address 10.1.1.20. Apply next hop 10.1.1.11 and service chain path ID 1 to
matching packets.
[SwitchA] policy-based-route aa permit node 0
[SwitchA-pbr-aa-0] if-match acl 3000
[SwitchA-pbr-aa-0] apply service-chain path-id 1
[SwitchA-pbr-aa-0] apply next-hop vpn-instance vpna 10.1.1.11
# Apply policy aa to VSI-interface 3.
[SwitchA] interface vsi-interface 1
[SwitchA-Vsi-interface1] ip policy-based-route aa
[SwitchA-Vsi-interface1] quit
3. Configure Switch B:
# Enable L2VPN.
<SwitchB> system-view
[SwitchB] l2vpn enable
# Disable remote-MAC address learning and remote ARP learning.
[SwitchB] vxlan tunnel mac-learning disable
[SwitchB] vxlan tunnel arp-learning disable
# Create an EVPN instance in VSI instance view, and configure the system to automatically
generate an RT and RD.
[SwitchB] vsi vpna
[SwitchB-vsi-vpna] evpn encapsulation vxlan
[SwitchB-vsi-vpna-evpn-vxlan] route-distinguisher auto
[SwitchB-vsi-vpna-evpn-vxlan] vpn-target auto
[SwitchB-vsi-vpna-evpn-vxlan] quit
# Configure VXLAN 10.
[SwitchB-vsi-vpna] vxlan 10
[SwitchB-vsi-vpna-vxlan-10] quit
[SwitchB-vsi-vpna] quit
# Configure BGP to advertise EVPN routes.
[SwitchB] bgp 200
[SwitchB-bgp-default] peer 4.4.4.4 as-number 200
[SwitchB-bgp-default] peer 4.4.4.4 connect-interface loopback0
[SwitchB-bgp-default] address-family l2vpn evpn
[SwitchB-bgp-default-evpn] peer 4.4.4.4 enable
# Create VPN instance vpna.
[SwitchB] ip vpn-instance vpna
[SwitchB-vpn-instance-vpna] route-distinguisher 1:1
[SwitchB-vpn-instance-vpna] address-family ipv4
[SwitchB-vpn-ipv4-vpna] vpn-target 2:2
[SwitchB-vpn-ipv4-vpna] quit
[SwitchB-vpn-instance-vpna] address-family evpn
[SwitchB-vpn-evpn-vpna] vpn-target 1:1
[SwitchB-vpn-evpn-vpna] quit
# Configure VSI-interface 1.
[SwitchB] interface vsi-interface 1
[SwitchB-Vsi-interface1] ip binding vpn-instance vpna
[SwitchB-Vsi-interface1] ip address 10.1.1.1 255.255.255.0
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