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?
