North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Netcom?
> Scott, > > One method to detect duplicate IPs is to use SNMP to query your routers > every 4 hours for the ARP entries. (ARP times out every 4 hours in a cisco > router) We use the CMU snmp package to do the queries. Then put the info > into a database and query the database for duplicates. We have a system > like this with a web interface and also some scripts that scan ths > database daily for duplicates and e-mails notices to people in charge of > the relevant subnet. > > The code is somewhat rough, so I do not want to offer it to the > net-at-large. If you can not find a polished product, e-mail me and I'll > share more aobut this solution. > > Art. > On Mon, 29 Sep 1997, Scott wrote: > > > Alittle off subject but does anyone out there know of some SW that detects > > duplicate IP addresses? > > > > Scott > > > > I think you are searching for arpwatch. Source can be found at ftp://ftp.ee.lbl.gov/arpwatch.tar.Z It needs libpcap to run but that can be found also at this location. Have fun, Erich -- Erich Meier [email protected] http://www4.informatik.uni-erlangen.de/~meier "The truth is not out there. The truth is not out there. The.." - Bart Simpson
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