Bug 227033 - vxlan(4) does not work with vni larger than 65535
Summary: vxlan(4) does not work with vni larger than 65535
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 11.1-RELEASE
Hardware: amd64 Any
: --- Affects Some People
Assignee: freebsd-net mailing list
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-03-28 12:40 UTC by susurrus.silent
Modified: 2018-03-30 04:00 UTC (History)
1 user (show)

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Description susurrus.silent 2018-03-28 12:40:33 UTC
vxlan(4) does not work with vni >= 65536.

How to reproduce:

on host A:
ifconfig vxlan create inet 192.168.200.1/24 vxlanvni 65536 vxlanlocal 192.168.100.1 vxlanremote 192.168.100.2

on host B:
ifconfig vxlan create inet 192.168.200.2/24 vxlanvni 65536 vxlanlocal 192.168.100.2 vxlanremote 192.168.100.1

on host A:
ping -n 192.168.200.2

host B is unreachable as host B does not respond to arp request.