From: Sam Joseph (samjoseph747@hotmail.com)
Date: Thu Mar 18 2004 - 23:05:18 GMT-3
Thank you Guys.
Will definitely take a look at the Fiber Patch?.
---Sam.
>From: "Kenneth Wygand" <KWygand@customonline.com>
>Reply-To: "Kenneth Wygand" <KWygand@customonline.com>
>To: "phase90" <phase90@comcast.net>, "Sam Joseph"
><samjoseph747@hotmail.com>, <ccielab@groupstudy.com>
>Subject: RE: 3COM Question
>Date: Thu, 18 Mar 2004 20:42:20 -0500
>
>Jerry & Sam,
>
>Yes I've heard this before too. You should definitely take a look at that
>as well.
>
>Ken
>
> -----Original Message-----
> From: nobody@groupstudy.com on behalf of phase90
> Sent: Thu 3/18/2004 8:13 PM
> To: Sam Joseph; ccielab@groupstudy.com
> Cc:
> Subject: Re: 3COM Question
>
>
>
> Sam,
>
> Is it single-mode fiber runs? If it is, it could be the
> attenuation on the fiber is not
> enough and the TX on port 1 on your Sw 1 is burning out the RX on your Sw
>2.
> This happened to my network 1 time when someone ran a single-mode fiber
>for
> on a 1 meter jumper in between a router
> and a Lightstream 1010. This is way out of spec and yet it ran fine for
>over
> 2 years until the PAM on
> the LS1010 couldn't take it anymore and just burnt out. Worth a look.
>
>
> Jerry
>
>
> ----- Original Message -----
> From: "Sam Joseph" <samjoseph747@hotmail.com>
> To: <ccielab@groupstudy.com>
> Sent: Thursday, March 18, 2004 7:26 PM
> Subject: 3COM Question
>
>
> > Hi Group,
> >
> > Wanted to throw in this and let me know, what you Cisco Experts think
> about
> > this.
> >
> > At my work, We have 3COM 9300 ( 12 port Fiber) switch. This Sw has Layer
>3
> > capabilities. Upart from Default Vlan we created one more VLAN. Thats
>all.
> > No inter VLAN communication. We exhausted all 12 ports on Present Sw.
> >
> > We went ahead and bought another 3COM 9300 Sw. When Hooked the second
> > switch, it was hooked as a cascading chain. Port 1 from Sw1 Connected to
> > Port 1 of Sw2 with Fiber Cross Over cable.
> >
> > It worked for some time. May be 6 --- 8 Months. Then the Port1 on Sw2
> > Failed. We thought Port1 went bad on Sw2. We moved it to Port2. After a
> > Month Port2 on Sw2 Failed. We moved it to Port3 now. It has been working
> > Okay since then.
> >
> > This Morning, Port4 on Sw2 failed. We moved it to Port5 on Sw2.
> >
> > Is this a symptom of switch2 going bad one port at a time?. or there is
>a
> > missing Link.
> >
> > Your Earliest Response will be Appreciated.
> >
> > ---Sam.
> >
> > _________________________________________________________________
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