According to this: http://www.coffer.com/mac_find/?string=0018d1 It says it's a Siemmens Home & Office Communication Device. Does it shed any light?
Ziv -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Md. Jahangir Hossain Sent: Wednesday, June 01, 2011 11:18 AM To: 'Peter Rathlev'; [email protected] Cc: [email protected] Subject: Re: [c-nsp] Problem VLAN Flapping between trunk port Thanks peter and jurgen sharing valued information . i am also trying to find-out this host. --- On Wed, 6/1/11, Jurgen Marenda <[email protected]> wrote: From: Jurgen Marenda <[email protected]> Subject: RE: [c-nsp] Problem VLAN Flapping between trunk port To: "'Peter Rathlev'" <[email protected]>, "'Md. Jahangir Hossain'" <[email protected]> Cc: [email protected] Date: Wednesday, June 1, 2011, 12:10 AM Also make sure your virtual mashines do not have the same MAC Adresses. Juergen. > On Tue, 2011-05-31 at 22:11 -0700, Md. Jahangir Hossain wrote: > ... > > *Mar 1 12:43:54: %SW_MATM-4-MACFLAP_NOTIF: Host 0018.d17b.96d7 in > > vlan 104 is flapping between port Gi1/0/28 and port Gi1/0/27 > > What's behind these ports? > > The switch is complaining that the MAC address keeps moving. > It could be > a loop, but most often (in my experience) it's "misconfigured" hosts, > e.g. a host with dual NICs that's using some kind of load-sharing > between ports. I also seem to remember seeing it when IP phones roam > between wireless access points. > > >From the port configuration it must be something you trust > not to bridge > itself. A VMware server maybe? _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/ ************************************************************************************ This footnote confirms that this email message has been scanned by PineApp Mail-SeCure for the presence of malicious code, vandals & computer viruses. ************************************************************************************ The information contained in this e-mail message and its attachments is confidential information intended only for the use of the individual or entity named above. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by replying to the sender, and then delete the message from your computer. Thank you! ******** This mail was sent via Mail-SeCure System.******** ************************************************************************************ This footnote confirms that this email message has been scanned by PineApp Mail-SeCure for the presence of malicious code, vandals & computer viruses. ************************************************************************************ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
