On 04/24/2011 07:27 AM, Cameron Kerr wrote: > And if you can't run arpwatch on such router, you could try SNMP to query the ARP table on the router. > > On 24/04/2011, at 1:35 PM, Manuel Wolfshant wrote: > >> On 04/23/2011 09:27 PM, carlopmart wrote: >>> >>> Arpwatch is a correct solution when host and guests are in the same >>> network, but in my environment, they are in different nets with a >>> firewall in the middle... >> I run arpwatch on the core router which sits between all VLANs >> If I put arpwatch on the router side, I will see firewall ip address only, because firewall does a nat over all networks behind it ... -- CL Martinez carlopmart {at} gmail {d0t} com