# uname -a
OpenBSD XXXXX.my.domain 7.4 GENERIC#0 amd64
# ifconfig vxlan0 tunnel SOURCE_IP DEST_IP:8472 vnetid 5
# ifconfig vxlan0 inet 192.168.5.1/30
# ifconfig vxlan0 up
# ifconfig vxlan0: I can't see the dest UDP port 8472 anywhere
vxlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr fe:e1:ba:d9:e4:0b
index 18 llprio 3
encap: vnetid 5 parent none txprio 0 rxprio outer
groups: vxlan
tunnel: inet SOURCE_IP --> DEST_IP ttl 1 nodf
Addresses (max cache: 100, timeout: 240):
inet 192.168.5.1 netmask 0xfffffffc broadcast 192.168.5.3
# ping 192.168.5.2
In tcpdump, I see that arp packets are sent to UDP port 4789, not 8472:
SOURCE_IP.4789 > DEST_IP.4789: VXLAN vni 5: arp who-has 192.168.5.2 tell
192.168.5.1 [ttl 1]
Is this a bug?