vxlan using l3 multicast to resolve location

vxlan_multicast.sh

# set up on host1 192.168.33.11, 08:00:27:f8:73:79
ip link add vxlan0 type vxlan id 42 group 239.1.1.1 dev eth1 dstport 4789
ip link set vxlan0 address 54:8:20:0:0:1
ip address add 10.0.0.1/8 dev vxlan0
ip link set up vxlan0

# set up on host2 192.168.33.12, 08:00:27:d9:18:aa
ip link add vxlan0 type vxlan id 42 group 239.1.1.1 dev eth1 dstport 4789
ip link set vxlan0 address 54:8:20:0:0:2
ip address add 10.0.0.2/8 dev vxlan0
ip link set up vxlan0

tcpdump -n -s 0 -e -i eth1 -v "icmp or arp or udp"
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on vxlan0, link-type EN10MB (Ethernet), capture size 262144 bytes
16:24:14.345289 08:00:27:f8:73:79 > 01:00:5e:01:01:01, ethertype IPv4 (0x0800), length 92: (tos 0x0, ttl 1, id 41644, offset 0, flags [none], proto UDP (17), length 78)
    192.168.33.11.38762 > 239.1.1.1.4789: VXLAN, flags [I] (0x08), vni 42
54:08:20:00:00:01 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: Ethernet (len 6), IPv4 (len 4), Request who-has 10.0.0.2 tell 10.0.0.1, length 28
16:24:14.345376 08:00:27:d9:18:aa > 08:00:27:f8:73:79, ethertype IPv4 (0x0800), length 92: (tos 0x0, ttl 64, id 37324, offset 0, flags [none], proto UDP (17), length 78)
    192.168.33.12.46410 > 192.168.33.11.4789: VXLAN, flags [I] (0x08), vni 42
54:08:20:00:00:02 > 54:08:20:00:00:01, ethertype ARP (0x0806), length 42: Ethernet (len 6), IPv4 (len 4), Reply 10.0.0.2 is-at 54:08:20:00:00:02, length 28
16:24:14.345632 08:00:27:f8:73:79 > 08:00:27:d9:18:aa, ethertype IPv4 (0x0800), length 148: (tos 0x0, ttl 64, id 2877, offset 0, flags [none], proto UDP (17), length 134)
    192.168.33.11.52130 > 192.168.33.12.4789: VXLAN, flags [I] (0x08), vni 42
54:08:20:00:00:01 > 54:08:20:00:00:02, ethertype IPv4 (0x0800), length 98: (tos 0x0, ttl 64, id 17819, offset 0, flags [DF], proto ICMP (1), length 84)
    10.0.0.1 > 10.0.0.2: ICMP echo request, id 2475, seq 1, length 64
16:24:14.345694 08:00:27:d9:18:aa > 08:00:27:f8:73:79, ethertype IPv4 (0x0800), length 148: (tos 0x0, ttl 64, id 37325, offset 0, flags [none], proto UDP (17), length 134)
    192.168.33.12.43948 > 192.168.33.11.4789: VXLAN, flags [I] (0x08), vni 42
54:08:20:00:00:02 > 54:08:20:00:00:01, ethertype IPv4 (0x0800), length 98: (tos 0x0, ttl 64, id 51311, offset 0, flags [none], proto ICMP (1), length 84)
    10.0.0.2 > 10.0.0.1: ICMP echo reply, id 2475, seq 1, length 64