From: wing_lam@jossynergy.com
Date: Tue Jun 24 2003 - 02:25:57 GMT-3
Thx for your reminding Howard,
Actually what I want to do is simple: I have a 16 port giga module in this
65 switch and after three to four month of stable, several ports in this
module will flapping, and at this time I have schedule urgent change to
move to another giga ports. It keeps happen in the recent two years.
The problem is not reproducible, the log only shows port up-down; but I am
very sure the cable is OK otherwise it won't work if I plug it into another
port.
But after a month later, I replug to it from the new port will resumes.
My 65 is 6509 with MSFC 2 SUP 1A. I have opened 4 to 5 cases at before, but
as you know, it's hard for us to solve the case even Cisco for thie
scenario.
Thx,
BBD (Big Black Dog)
"Howard C.
Berkowitz" To: ccielab@groupstudy.com
<hcb@gettcomm.com cc:
> Subject: Re: Engineering mode
Sent by:
nobody@groupstudy
.com
06/22/2003 06:59
AM
Please respond to
"Howard C.
Berkowitz"
At 10:48 AM +0800 6/22/03, wing_lam@jossynergy.com wrote:
>Hi,
>
>I get into the engineering mode just want to test the Giga module, as it's
>so strange that some ports on it keep up and down, but resumes stable for
a
>while. I opened case to Cisco several times about this but cannot solve
the
>problem.
>
>Heard from my friend that this mode can test the module and some other
>diagnostic commands. But the access mode depends on different platform.
Be extremely cautious before using command modes intended for TAC or
developer use. It's bad enough that the ex-Stratacom switches have
privileged mode commands, accessible to users, that can screw up
NVRAM/EPROM to the point that boards have to be returned for factory
service. I can't say that this is the case for L2/L3 switches, but
I'd be very careful unless I was _certain_ I knew all the effects of
a command.
Certain IOS commands, at least, were never really documented in Cisco
outside the IOS code or code specifications. TAC would bring in a
developer, or some senior support person with code access, to use
them in the rare appropriate situations.
If you are having this strange a problem, isn't it time to call TAC
and file a problem report?
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