Users complaining about dropped network connections

[havesometea]

I have a handful of users who are complaining about their apps becoming unresponsive and slow. I looked at their PCs, a couple of them show Event ID's in the event log that say the NIC lost connection to the network. So I log into the switches, 2

HP V1910-48G

connected with a Gbic, and I see these errors in the syslog. Any idea why this is happening and how to fix it or is it normal?

 

[TABLE=class: mlist, width: 0]

[TR=class: row135]

[TD]Mar 14 08:49:06:039 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/7 link status is DOWN.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 14 08:41:55:306 2014[/TD]

[TD]MSTP[/TD]

[TD]Information[/TD]

[TD]MSTP_FORWARDING[/TD]

[TD]Instance 0's port GigabitEthernet1/0/7 has been set to forwarding state.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 14 08:41:55:295 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/7 link status is UP.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 14 08:41:44:955 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/7 link status is DOWN.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 14 08:37:41:826 2014[/TD]

[TD]MSTP[/TD]

[TD]Information[/TD]

[TD]MSTP_FORWARDING[/TD]

[TD]Instance 0's port GigabitEthernet1/0/11 has been set to forwarding state.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 14 08:37:41:814 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/11 link status is UP.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 14 08:37:39:420 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/11 link status is DOWN.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 14 08:37:21:678 2014[/TD]

[TD]MSTP[/TD]

[TD]Information[/TD]

[TD]MSTP_FORWARDING[/TD]

[TD]Instance 0's port GigabitEthernet1/0/11 has been set to forwarding state.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 14 08:37:21:667 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/11 link status is UP.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 14 08:26:53:043 2014[/TD]

[TD]MSTP[/TD]

[TD]Information[/TD]

[TD]MSTP_FORWARDING[/TD]

[TD]Instance 0's port GigabitEthernet1/0/24 has been set to forwarding state.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 14 08:26:53:030 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/24 link status is UP.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 14 08:26:49:114 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/24 link status is DOWN.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 13 18:52:27:206 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/9 link status is DOWN.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 13 18:23:41:949 2014[/TD]

[TD]MSTP[/TD]

[TD]Information[/TD]

[TD]MSTP_FORWARDING[/TD]

[TD]Instance 0's port GigabitEthernet1/0/4 has been set to forwarding state.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 13 18:23:41:937 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/4 link status is UP.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 13 18:23:40:213 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/4 link status is DOWN.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 13 18:23:20:696 2014[/TD]

[TD]MSTP[/TD]

[TD]Information[/TD]

[TD]MSTP_FORWARDING[/TD]

[TD]Instance 0's port GigabitEthernet1/0/4 has been set to forwarding state.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 13 18:23:20:685 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/4 link status is UP.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 13 18:23:18:314 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/4 link status is DOWN.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 13 18:14:17:082 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/11 link status is DOWN.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 13 17:00:44:224 2014[/TD]

[TD]MSTP[/TD]

[TD]Information[/TD]

[TD]MSTP_FORWARDING[/TD]

[TD]Instance 0's port GigabitEthernet1/0/24 has been set to forwarding state.[/TD]

[/TR]

[TR=class: row246, bgcolor: #F5F5F5]

[TD]Mar 13 17:00:44:212 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/24 link status is UP.[/TD]

[/TR]

[TR=class: row135]

[TD]Mar 13 17:00:42:526 2014[/TD]

[TD]IFNET[/TD]

[TD]Error[/TD]

[TD]LINK_UPDOWN[/TD]

[TD]GigabitEthernet1/0/24 link status is DOWN.[/TD]

[/TR]

[/TABLE]