Gotcha, thanks. -----Original Message----- From: MICE Discuss <[log in to unmask]> On Behalf Of Jay Hanke Sent: Monday, September 21, 2020 12:27 PM To: [log in to unmask] Subject: Re: [MICE-DISCUSS] MICE port down If it happens again, you should be able to disable the port on your side and then re-enable it after a minute and the error state should clear. On Mon, Sep 21, 2020 at 12:24 PM Doug McIntyre <[log in to unmask]> wrote: > > On Mon, Sep 21, 2020 at 12:21:35PM -0500, Todd Mueller wrote: > >Could someone please check the MICE port for Velocity Telephone, I > >saw it go down about 15 minutes ago. > > > >I suspect it shut down because there was more than 1 MAC address coming in. > >I noticed the MAC address for a layer 2 interface from one of our > >switches showing up in the corresponding VLAN momentarily for some > >reason, but it is gone now. > > Yes, it was a MAC address security violation. I assume it'll be fine > to post it, so you can find what one is causing you grief. > > Sep 21 12:02:46 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. > Sep 21 12:02:46 core-sw0 Ebra: %ETH-4-ERRDISABLE: portsec error detected on Ethernet4/21. > Sep 21 12:02:46 core-sw0 Ebra: %LINEPROTO-5-UPDOWN: Line protocol on > Interface Ethernet4/21 (15250 - Velocity Telephone), changed state to > down Sep 21 12:02:46 core-sw0 Stp: %SPANTREE-6-INTERFACE_DEL: > Interface Ethernet4/21 has been removed from instance Vl1 > > I cleared the error from the port. -- Jay Hanke, President South Front Networks [log in to unmask] Phone 612-204-0000