We have 3 Digi AnywhereUSB/14 connected to Cisco FEX (2248TP) for use of VMware ESXi, they would reset connection few dozen times a day:
Feb 26 13:29:05 EST: %ETHPORT-5-IF_UP: Interface Ethernet104/1/26 is up in mode access
Feb 26 13:29:05 EST: %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet104/1/26, operational Transmit Flow Control state changed to on
Feb 26 13:29:05 EST: %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet104/1/26, operational Receive Flow Control state changed to off
Feb 26 13:29:05 EST: %ETHPORT-5-IF_DUPLEX: Interface Ethernet104/1/26, operational duplex mode changed to Full
Feb 26 13:29:05 EST: %ETHPORT-5-SPEED: Interface Ethernet104/1/26, operational speed changed to 100 Mbps
Feb 26 13:29:03 EST: %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet104/1/26 is down (Link failure)
Feb 26 13:29:03 EST: %ETHPORT-5-IF_UP: Interface Ethernet104/1/26 is up in mode access
Feb 26 13:29:03 EST: %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet104/1/26, operational Transmit Flow Control state changed to on
Feb 26 13:29:03 EST: %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet104/1/26, operational Receive Flow Control state changed to off
Feb 26 13:29:03 EST: %ETHPORT-5-IF_DUPLEX: Interface Ethernet104/1/26, operational duplex mode changed to Full
Feb 26 13:29:03 EST: %ETHPORT-5-SPEED: Interface Ethernet104/1/26, operational speed changed to 100 Mbps
Feb 26 13:28:58 EST: %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet104/1/26 is down (Link failure)
Feb 26 13:06:58 EST: %ETHPORT-5-IF_UP: Interface Ethernet104/1/28 is up in mode access
Feb 26 13:06:58 EST: %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet104/1/28, operational Transmit Flow Control state changed to on
Feb 26 13:06:58 EST: %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet104/1/28, operational Receive Flow Control state changed to off
Feb 26 13:06:58 EST: %ETHPORT-5-IF_DUPLEX: Interface Ethernet104/1/28, operational duplex mode changed to Full
Feb 26 13:06:58 EST: %ETHPORT-5-SPEED: Interface Ethernet104/1/28, operational speed changed to 100 Mbps
Feb 26 13:06:56 EST: %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet104/1/28 is down (Link failure)
Feb 26 13:06:56 EST: %ETHPORT-5-IF_UP: Interface Ethernet104/1/28 is up in mode access
Feb 26 13:06:56 EST: %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet104/1/28, operational Transmit Flow Control state changed to on
Feb 26 13:06:56 EST: %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet104/1/28, operational Receive Flow Control state changed to off
Feb 26 13:06:56 EST: %ETHPORT-5-IF_DUPLEX: Interface Ethernet104/1/28, operational duplex mode changed to Full
Feb 26 13:06:56 EST: %ETHPORT-5-SPEED: Interface Ethernet104/1/28, operational speed changed to 100 Mbps
Feb 26 13:06:52 EST: %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet104/1/28 is down (Link failure)
Feb 26 13:06:10 EST: %ETHPORT-5-IF_UP: Interface Ethernet104/1/27 is up in mode access
Feb 26 13:06:10 EST: %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet104/1/27, operational Transmit Flow Control state changed to on
Feb 26 13:06:10 EST: %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet104/1/27, operational Receive Flow Control state changed to off
Feb 26 13:06:10 EST: %ETHPORT-5-IF_DUPLEX: Interface Ethernet104/1/27, operational duplex mode changed to Full
Feb 26 13:06:10 EST: %ETHPORT-5-SPEED: Interface Ethernet104/1/27, operational speed changed to 100 Mbps
Feb 26 13:06:08 EST: %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet104/1/27 is down (Link failure)
Feb 26 13:06:08 EST: %ETHPORT-5-IF_UP: Interface Ethernet104/1/27 is up in mode access
Feb 26 13:06:08 EST: %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet104/1/27, operational Transmit Flow Control state changed to on
Feb 26 13:06:08 EST: %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet104/1/27, operational Receive Flow Control state changed to off
Feb 26 13:06:08 EST: %ETHPORT-5-IF_DUPLEX: Interface Ethernet104/1/27, operational duplex mode changed to Full
Feb 26 13:06:08 EST: %ETHPORT-5-SPEED: Interface Ethernet104/1/27, operational speed changed to 100 Mbps
Feb 26 13:06:06 EST: %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet104/1/27 is down (Link failure)
it has the following configuration:
FEX04#sh int status | include 104/1/26
Eth104/1/26 DONGLE connected 300 full 100 –
FEX04#sh run int Eth104/1/26
interface Ethernet104/1/26
description DONGLE
switchport access vlan 300
spanning-tree port type edge
speed 100
FEX04#
What can we do to fix this issue ?