All zeros means it sent a ARP broadcast out but has not received a ARP response.
Dennis Burgess, CTO, Link Technologies, Inc. den...@linktechs.net – 314-735-0270 x103 – www.linktechs.net -----Original Message----- From: Af [mailto:af-boun...@afmug.com] On Behalf Of Faisal Imtiaz Sent: Wednesday, February 3, 2016 9:37 PM To: af@afmug.com Subject: Re: [AFMUG] Mikrotik ARP Table Zeros? What version of ROS ? I saw something similar on another router a couple of days back. It was someone else's router, not sure how they fixed it. MT forums suggest to upgrade to 6.34 for the fix.. YMMV. Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232 Help-desk: (305)663-5518 Option 2 or Email: supp...@snappytelecom.net ----- Original Message ----- > From: "Sterling Jacobson" <sterl...@avative.net> > To: "af@afmug.com" <af@afmug.com> > Sent: Wednesday, February 3, 2016 9:31:49 PM > Subject: [AFMUG] Mikrotik ARP Table Zeros? > I've never seen this, but a router I am using is filling up it's ARP > table with Zeros on available IP's. > > As shown in the picture. > > This is a very simple routeros setup with one ether1 interface bridged > with a few EoIP tunnels > > Obviously somewhere in the network I'm doing something quite wrong and > it's causing this routers ARP table to register as all Zeros. > > These are active device IP's, so only the ones that SHOULD have MAC's > are showing, but their MACs are all Zeros. > > Just want to see if anyone has a general idea of what causes this on > RouterOS so I know where to start looking.
