Mac is all zeros

On Feb 12, 2017 5:24 PM, "Larry Smith" <lesm...@ecsis.net> wrote:

> Agree with Faisal, proxyin arp turned on somewhere.
> Track the MAC address that is replying to all the ARP
> and you will find your culprit.
>
> --
> Larry Smith
> lesm...@ecsis.net
>
> On Sun February 12 2017 16:25, Faisal Imtiaz wrote:
> > We have seen that behavior from misbehaving sonic wall (firewall)
> > and some implementations of consumer firewalls (Watchguard, Sonicwall
> etc)
> > will do this when the proxy arp is set to be on.
> >
> > Regards.
> >
> > 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
> >
> > > From: "Cameron Crum" <cc...@wispmon.com>
> > > To: af@afmug.com
> > > Sent: Sunday, February 12, 2017 1:01:51 PM
> > > Subject: Re: [AFMUG] odd mt behavior
> > >
> > > yeah...tracked it to arp table full...something is flooding the arp
> list
> > > with every unused ip.
> > >
> > > On Fri, Feb 10, 2017 at 10:21 PM, Jesse Dupont <
> > > jesse.dup...@celeritycorp.net >
> > >
> > > wrote:
> > >> If the UBNT CPEs are M series (XM or XW), is WDS enabled on both the
> APs
> > >> and CPEs?
> > >>
> > >> On Fri, Feb 10, 2017 at 12:28 PM -0700, "Cameron Crum" <
> > >> cc...@wispmon.com >
> > >>
> > >> wrote:
> > >>> I have a customer who is having an odd issue on several MTs. His DHCP
> > >>> server is using radius to auth end users. The mac requests a lease,
> > >>> radius replies with accept and a Framed-IP, but the lease in the dchp
> > >>> server just says offered and never binds the lease. It is not with
> > >>> every customer, but it seems to happening randomly on several
> routers.
> > >>> version is 6.36. I had them look to see if was a particular end user
> > >>> router brand, or even the same type of cpe, but other than all cpe's
> > >>> being some flavor of ubnt set up in bridge mode, there doesn't seem
> to
> > >>> be a pattern. The dhcp server is set up on a bridge interface in the
> > >>> MT, add arp for leases, reply-only. I'm out of ideas on what would
> > >>> cause this. The ip is within the range of ips assigned to the
> > >>> interface. IP Pools is set to static only. Anyone seen this before?
>

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