I took a look at your port, and it appears that it is down because the switch has detected you sending BPDUs show interfaces xe-0/0/10 Physical interface: xe-0/0/10, Enabled, Physical link is Down Interface index: 197, SNMP ifIndex: 663 Description: Longlines Link-level type: Ethernet, MTU: 9216, Speed: 10Gbps, Duplex: Full-Duplex, BPDU Error: Detected, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled Device flags : Present Running Down Interface flags: Hardware-Down SNMP-Traps Internal: 0x0 Link flags : None CoS queues : 8 supported, 8 maximum usable queues Current address: a8:d0:e5:ba:37:cd, Hardware address: a8:d0:e5:ba:37:cd Last flapped : 2016-03-24 10:28:52 CDT (00:00:26 ago) Input rate : 0 bps (0 pps) Output rate : 0 bps (0 pps) Active alarms : LINK Active defects : LINK Interface transmit statistics: Disabled Logical interface xe-0/0/10.0 (Index 113) (SNMP ifIndex 674) Flags: Device-Down SNMP-Traps Redundancy-Device 0x0 Encapsulation: ENET2 Input packets : 2986181 Output packets: 13232054 Protocol eth-switch Flags: None -----Original Message----- From: MICE Discuss [mailto:MICE-DISCUSS@LISTS.IPHOUSE.NET] On Behalf Of Dan Winkel Sent: Thursday, March 24, 2016 10:01 AM To: MICE-DISCUSS@LISTS.IPHOUSE.NET Subject: [MICE-DISCUSS] Port Down Hey All, I just saw our port to MICE go down. Is there anything going on? Thanks, Dan