From: Fawaz Habeeb (fawazhabeeb@gmail.com)
Date: Tue Oct 02 2007 - 09:12:46 ART
Hi....
I thinnk it could be a fiber issue, just have a look on CRC error rate on
the interface.
Thanking you,
Regards,
Fawaz
On 10/2/07, Andris Zarins <a.zarins@lattelecom.lv> wrote:
>
> 'access vlan' and 'native vlan' can be different on both ends, as long
> as you understand the consequences ;)
>
>
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Felix Nkansah
> Sent: Monday, October 01, 2007 11:52 AM
> To: Cisco certification
> Subject: Catalyst/Fiber Backbone Connectivity Problem
>
> A client of mine has a fiber backbone between two buildings on their
> campus.
>
>
> The fiber terminates on a Catalyst 6509 (at the data centre) and a
> Catalyst 3750 at the other end. Users at the far-end connect to servers
> located at the data center over this fiber.
>
> This connection has been working fine for the past 2 years, until a
> recent problem came up.
>
> For two weeks now, the usual occurrence is for the fiber link to stop
> passing traffic while working until the 3750 is rebooted or the fiber
> connectors removed from the SFP port and replugged, or the interface is
> administratively shut down n un-shut.
>
> Meanwhile, the interface and line protocol remain UP on both switches
> during this abnormal behaviour. There are also no log messages
> occurring.
> Everything look fine on both switches. They just wouldnt pass traffic.
> The problem occurs about twice each day.
>
> It's difficult diagnosing the problem now. I need help pls.
>
> Regards,
>
> Felix
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Fri Nov 16 2007 - 13:11:11 ART