ARP tables are a layer above what you're troubleshooting. You need to look at the actual layer 2 switching/mac address tables.
Thanks, Brian Desmond br...@briandesmond.com c - 312.731.3132 From: Fergal O'Connell [mailto:foconn...@curamsoftware.com] Sent: Tuesday, July 27, 2010 4:35 AM To: NT System Admin Issues Subject: Possible Rogue device on the network HI Folks, We are having a sporadic network issue on our LAN which I am currently trouble shooting - I ran a wire shark capture on one of the hosts that is affected and I want to know what the following is I can't find that Mac address on our network. I checked the DHCP and I checked the arp table on all our switches and routers. MAC - 00:0f:1f:30:26:e3 is assigned to WW PCBA Test What I want to is find this device and turn off STP. Any idea's? [cid:image001.png@01CB2FB3.40857290] Regards Fergal O'Connell ICT Support The information in this email is confidential and may be legally privileged. It is intended solely for the addressee. Access to this email by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. If you are not the intended addressee please contact the sender and dispose of this e-mail. Thank you. ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
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