This is a multi-part message in MIME format. --------------4D00A25647F176B9D31DD94C Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Just curious if anyone is performing MAC Address Filtering at any of the Ethernet Exchange Points. If so has it been found to be easy to administer or difficult where by peers may be changing Layer 3 devices or Interfaces without notice? Alternately is MAC Address Filtering considered an unneeded security measure? Thanks, Dave --------------4D00A25647F176B9D31DD94C Content-Type: text/x-vcard; charset=us-ascii; name="david_mcgaugh.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for Dave McGaugh Content-Disposition: attachment; filename="david_mcgaugh.vcf" begin:vcard n:McGaugh;David tel;fax:360.816.3297 tel;work:360.816.3718 x-mozilla-html:FALSE url:http://www.eli.net org:Electric Lightwave, Inc.;Network Planning and Engineering adr:;;4400 NE 77th Ave.;Vancouver;WA;98662;USA version:2.1 email;internet:dmcgaugh@eli.net title:Internetwork Engineer x-mozilla-cpt:;26448 fn:David McGaugh end:vcard --------------4D00A25647F176B9D31DD94C--