Thanks much Jeremy. That is a MAC of a downstream transit switch with no SVI on the VLAN, I'm not sure why it would have originated any traffic yet ... I will see what I can figure out. Todd From: MICE Discuss <MICE-DISCUSS@LISTS.IPHOUSE.NET> On Behalf Of Jeremy Lumby Sent: Wednesday, August 10, 2022 7:06 PM To: MICE-DISCUSS@LISTS.IPHOUSE.NET Subject: Re: [MICE-DISCUSS] Port down Todd, I have cleared the port security for you: Aug 10 18:16:06 core-sw0 PortSec: %PORTSECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 64:9e:f3:ec:b9:73 on vlan 1 interface Ethernet4/21. Jeremy Lumby Minnesota VoIP 9217 17th Ave S #216 Bloomington, MN 55425 M: 612-355-7740 D: 612-392-6814 F: 952-873-7425 jlumby@mnvoip.com <mailto:jlumby@mnvoip.com> From: MICE Discuss [mailto:MICE-DISCUSS@LISTS.IPHOUSE.NET] On Behalf Of Todd Mueller Sent: Wednesday, August 10, 2022 6:52 PM To: MICE-DISCUSS@LISTS.IPHOUSE.NET <mailto:MICE-DISCUSS@LISTS.IPHOUSE.NET> Subject: [MICE-DISCUSS] Port down Our (Velocity Telephone) MICE port at 511 went down at 6:16P tonight and remains down, any known issues? Thanks, Todd _____ To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS <http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1> &A=1 _____ To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS <http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1> &A=1