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flapping link

miada.murad
Level 1
Level 1

                   dear all

how i can resolve flapping link problem

when i put terminal monitor command 

this appear each time new port connected

00:49:41: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet4/0/7, changed state to down

00:49:45: %LINK-3-UPDOWN: Interface FastEthernet4/0/7, changed state to down

00:49:47: %LINK-3-UPDOWN: Interface FastEthernet4/0/7, changed state to up

00:49:48: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet4/0/7, changed state to up

is that normal

if not

how i can resolve it

2 Replies 2

handoko wiyanto
Level 3
Level 3

hi,

what device are you using?

can you do

- show interface FastEthernet4/0/7

- show run interface FastEthernet4/0/7

and post the result here?

regards,

rshum
Level 1
Level 1

You can connect a laptop to it and see if the problem continues. If not then you have a problem either with the wiring or the end station. If it persists then check the port. While it's rare it's not impossible to have a hardware issue with the port.

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