LogFAQs > #945281405

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TopicAlright... my network engineering brain is broken on this problem
CableZL
09/30/20 4:44:49 PM
#8:


BlazinBlue88 posted...
When you say SW7 is bouncing do you mean the connection or the entire switch? Entire switch might be a power supply issue.

The power to SW7 is stable, but the connection between SW1 and SW7 is going down over and over

CDP Neighbor info on SW1 port 2/0/4:

Device ID Local Intrfce Holdtme Capability Platform Port ID
SW7
Gig 2/0/4 128 S I WS-C3750X Gig 1/0/3
  • Basically, SW1 sees SW7 connected on its own port gig 2/0/4. The port on SW7 is gig 1/0/3.


Log:

Sep 30 15:30:48.252: %ILPOWER-7-DETECT: Interface Gi2/0/4: Power Device detected: IEEE PD
  • SW1 detecting that SW7 is requesting power over ethernet
Sep 30 15:30:48.688: %ILPOWER-5-POWER_GRANTED: Interface Gi2/0/4: Power granted
  • SW1 is granting power over ethernet to SW7
Sep 30 15:30:49.301: %ILPOWER-5-IEEE_DISCONNECT: Interface Gi2/0/4: PD removed
Sep 30 15:30:50.400: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet2/0/4, changed state to down

Sep 30 15:30:51.431: %LINK-3-UPDOWN: Interface GigabitEthernet2/0/4, changed state to down
  • Port goes down
Sep 30 15:30:54.434: %LINK-3-UPDOWN: Interface GigabitEthernet2/0/4, changed state to up
Sep 30 15:30:56.506: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet2/0/4, changed state to up
  • Port comes back up


And that just repeats

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