Thanks for checking Jeremy, I am not sure how that could have happened yet but the MAC address should be helpful in tracking that down. Todd From: MICE Discuss <MICE-DISCUSS@LISTS.IPHOUSE.NET> On Behalf Of Jeremy Lumby Sent: Tuesday, April 14, 2020 4:25 PM To: MICE-DISCUSS@LISTS.IPHOUSE.NET Subject: Re: [MICE-DISCUSS] Port was down Looks like the switch detected a second MAC address, and errordisabled the port: Apr 14 10:06:34 core-sw0 PortSec: %PORTSECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 64:9e:f3:eb:6e:b0 on vlan 1 interface Ethernet4/21. Jeremy From: MICE Discuss [mailto:MICE-DISCUSS@LISTS.IPHOUSE.NET] On Behalf Of Todd Mueller Sent: Tuesday, April 14, 2020 4:06 PM To: MICE-DISCUSS@LISTS.IPHOUSE.NET <mailto:MICE-DISCUSS@LISTS.IPHOUSE.NET> Subject: [MICE-DISCUSS] Port was down Our (Velocity Telephone) MICE port physically went down at 10:06A and came back up at 2:31P today. Anyone aware of maintenance or anything else? 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