https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221754
Bug ID: 221754
Summary: arp: packet with invalid ethernet address length 0
received
Product: Base System
Version: 11.1-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: pz...@iihr.ru
We have two Virtual FreeBSD machines on Hyper-V 2008R2 server.
VM#1 - FreeBSD 10.3-RELEASE-p18 amd64
VM#2 - FreeBSD 11.1-RELEASE amd64
Both VM's connected to the same LAN 192.168.0.0/17
On VM#2 /var/log/messages permanently registering an error
arp: packet with invalid ethernet address length 0 received on hn0
tcpdump on hn0 show this
17:48:17.035879 ARP, Ethernet (len 0), Unknown Protocol (0xf000) (len 1),
length 50
Quick Google search show that such packets can be generated by D-Link DES/DGS
Metro series switches. We have a number of D-Link switches in our LAN, but we
never see this error on FreeBSD 8.x/9.x/10.x before
Can it be fixed?
Or,how we can supress this error messages on 11.1, because replacing D-Link
switches is not a solution.
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