Hi All,
I just got alerts from Cisco 3750 switch Port forwarding to disabled conected to IP Phone a workstation is also connected to the Phone.
interface GigabitEthernet1/0/6
switchport access vlan 401
switchport mode access
switchport voice vlan 501
logging event spanning-tree
logging event status
srr-queue bandwidth share 1 30 35 5
priority-queue out
mls qos trust device cisco-phone
mls qos trust cos
spanning-tree portfast
end
This is the logs.
Normal 0 false false false EN-GB X-NONE X-NONE MicrosoftInternetExplorer4
/* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";}
Jun 8 18:26:51.091 gmt: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/6, changed state to down
Jun 8 18:26:52.098 gmt: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/6, changed state to down
Jun 8 18:26:52.653 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 401 moving from disabled to blocking
Jun 8 18:26:52.653 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 401 moving from blocking to forwarding
Jun 8 18:26:52.659 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 501 moving from disabled to blocking
Jun 8 18:26:52.659 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 501 moving from blocking to forwarding
Jun 8 18:26:54.630 gmt: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/6, changed state to up
Jun 8 18:26:55.632 gmt: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/6, changed state to up
Jun 8 18:54:52.632 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 401 moving from forwarding to disabled
Jun 8 18:54:52.632 gmt: %SPANTREE-7-PORTDEL_SUCCESS: GigabitEthernet1/0/6 deleted from Vlan 401
Jun 8 18:54:52.632 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 501 moving from forwarding to disabled
Jun 8 18:54:52.632 gmt: %SPANTREE-7-PORTDEL_SUCCESS: GigabitEthernet1/0/6 deleted from Vlan 501
Jun 8 18:54:53.628 gmt: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/6, changed state to down
Jun 8 18:54:54.635 gmt: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/6, changed state to down
Jun 8 18:54:55.154 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 401 moving from disabled to blocking
Jun 8 18:54:55.154 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 401 moving from blocking to forwarding
Jun 8 18:54:55.154 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 501 moving from disabled to blocking
Jun 8 18:54:55.154 gmt: %SPANTREE-6-PORT_STATE: Port Gi1/0/6 instance 501 moving from blocking to forwarding
Jun 8 18:54:57.131 gmt: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/6, changed state to up
Jun 8 18:54:58.132 gmt: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/6, changed state to up
Other Port also have this alerts randomly.