You are having faulty patch-cord, replace it and you should be fine.

On 08/12/11 14:01, Wakwa Nduati wrote:
On the main device I get on both interfaces

f0/0 136 unknown protocol drops
f0/1 31 unknown protocol drops

On the connecting switch

  Input:  1350 input errors, 0 runts, 0 giants,  - throttles, 1153 CRC
          - frame,  - overruns, 197 aborts, - ignored, - parity errors

and

Input:  43301 input errors, 0 runts, 0 giants,  - throttles, 41151 CRC
          - frame,  - overruns, 2150 aborts, - ignored, - parity errors

Thanks


On Thu, Dec 8, 2011 at 12:46 PM, David Rothera<[email protected]>wrote:

I take it you also have the associated down messages as well? If you are
having interface drops then I would look into that rather than just
ignoring it.

Do you get drops on the device that is on the other end of these
connections?

David Rothera



On Thu, Dec 8, 2011 at 9:17 AM, Wakwa Nduati<[email protected]>  wrote:

Hi,

I have a cisco 1841 on my network and though working ok has this messages.

It is connected to a gigabit switch and the ports set to 100Mbps.

What would this mean and how do I clear them?

: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up

Config

global - ip cef is enabled

interface FastEthernet0/0
  ip address x.x.x.x y.y.y.y
  ip ospf message-digest-key zzzzzzzzzzzz
  ip ospf priority 0
  duplex auto
  speed auto
  no cdp enable
  max-reserved-bandwidth 100
!
interface FastEthernet0/1 (connected and supporting dot1q interfaces)
  no ip address
  duplex auto
  speed auto

Thanks.
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