拓扑：
配置：
50.57 配置：
kernel config:
#50.57
#create namespace ns5, add virtual eth veth5 connect to host5 in namespace
#host5 50.1.1.2/24 00:00:00:00:00:05 gateway:50.1.1.1
ip netns add ns5
ip link add veth5 type veth peer name host5 netns ns5
ip netns exec ns5 ip link set lo up
ip netns exec ns5 ip link set host5 address 00:00:00:00:00:05
ip netns exec ns5 ip link set host5 up
ip netns exec ns5 ip addr add 50.1.1.2/24 dev host5
ip netns exec ns5 ip route add default via 50.1.1.1 dev host5
#host6 60.1.1.2/24 gateway:20.1.1.1
ip netns add ns6
ip link add veth6 type veth peer name host6 netns ns6
ip netns exec ns6 ip link set lo up
ip netns exec ns6 ip link set host6 address 00:00:00:00:00:06
ip netns exec ns6 ip link set host6 up
ip netns exec ns6 ip addr add 60.1.1.2/24 dev host6
ip netns exec ns6 ip route add default via 60.1.1.1 dev host6
#add bridge including vxlan instance and access port veth
#bridge50 veth5+vxlan50 IP:50.1.1.1 MAC:00:00:32:00:00:01
ip link add br50 type bridge
ip link add vxlan50 type vxlan id 50 local 10.10.18.209 dstport 4789 nolearning
ip link set br50 up
ip link set veth5 up
ip link set vxlan50 up
ip link set veth5 master br50
ip link set vxlan50 master br50
ip link set dev br50 address 00:00:32:00:00:01
ip addr add 50.1.1.1/24 dev br50
#bridge60 veth6+vxlan60 IP:60.1.1.1 MAC:00:00:3c:00:00:01
ip link add br60 type bridge
ip link add vxlan60 type vxlan id 60 local 10.10.18.209 dstport 4789 nolearning
ip link set br60 up
ip link set veth6 up
ip link set vxlan60 up
ip link set veth6 master br60
ip link set vxlan60 master br60
ip link set dev br60 address 00:00:3c:00:00:01
ip addr add 60.1.1.1/24 dev br60
# add vrf
ip link add vrf2 type vrf table 200
ip link set vrf2 up
ip link set br50 master vrf2
ip link set br60 master vrf2
CLI config:
router bgp 8888
bgp router-id 10.10.18.209
bgp bestpath as-path multipath-relax
neighbor fabric peer-group
neighbor fabric remote-as external
neighbor 10.10.18.212 peer-group fabric
neighbor 10.10.18.212 update-source 10.10.18.209
!
address-family l2vpn evpn
neighbor fabric activate
advertise-all-vni
exit-address-family
!
router bgp 8888 vrf vrf2
address-family l2vpn evpn
advertise ipv4 unicast
exit-address-family
50.204 配置：
kernel config:
#DUT2 50.204
#create namespace ns7, add virtual eth veth7 connect to host7 in namespace
#host7 50.1.1.7/24 00:00:00:00:00:07 gateway:50.1.1.1
ip netns add ns7
ip link add veth7 type veth peer name host7 netns ns7
ip netns exec ns7 ip link set lo up
ip netns exec ns7 ip link set host7 address 00:00:00:00:00:07
ip netns exec ns7 ip link set host7 up
ip netns exec ns7 ip addr add 50.1.1.7/24 dev host7
ip netns exec ns7 ip route add default via 50.1.1.1 dev host7
#host8 60.1.1.8/24 gateway:60.1.1.1
ip netns add ns8
ip link add veth8 type veth peer name host8 netns ns8
ip netns exec ns8 ip link set lo up
ip netns exec ns8 ip link set host8 address 00:00:00:00:00:08
ip netns exec ns8 ip link set host8 up
ip netns exec ns8 ip addr add 60.1.1.8/24 dev host8
ip netns exec ns8 ip route add default via 60.1.1.1 dev host8
#add bridge including vxlan instance and access port veth
#bridge50 veth7+vxlan50 IP:50.1.1.1 MAC:00:00:32:00:00:01
ip link add br50 type bridge
ip link add vxlan50 type vxlan id 50 local 10.10.18.212 dstport 4789 nolearning
ip link set br50 up
ip link set veth7 up
ip link set vxlan50 up
ip link set veth7 master br50
ip link set vxlan50 master br50
ip link set dev br50 address 00:00:32:00:00:01
ip addr add 50.1.1.1/24 dev br50
#bridge60 veth8+vxlan60 IP:60.1.1.1 MAC:00:00:3c:00:00:01
ip link add br60 type bridge
ip link add vxlan60 type vxlan id 60 local 10.10.18.212 dstport 4789 nolearning
ip link set br60 up
ip link set veth8 up
ip link set vxlan60 up
ip link set veth8 master br60
ip link set vxlan60 master br60
ip link set dev br60 address 00:00:3c:00:00:01
ip addr add 60.1.1.1/24 dev br60
CLI config:
router bgp 9999
bgp router-id 10.10.18.212
bgp bestpath as-path multipath-relax
neighbor fabric peer-group
neighbor fabric remote-as external
neighbor 10.10.18.209 peer-group fabric
neighbor 10.10.18.209 update-source 10.10.18.212
!
address-family l2vpn evpn
neighbor fabric activate
advertise-all-vni
exit-address-family
!
router bgp 9999 vrf vrf2
address-family l2vpn evpn
advertise ipv4 unicast
exit-address-family
