From: Tarun Pahuja (pahujat@gmail.com)
Date: Wed Nov 07 2007 - 18:06:13 ART
Thanks for correcting me Scott. I knew limitation was not the right word to
describe the difference, so I requested folks to check out your posts in the
archives.
Tarun
On 11/7/07, Scott Morris <smorris@ipexpert.com> wrote:
>
> Correct. It's not a "limitation" just a difference in hardware
> architecture. This has been discussed in detail a number of times
> (archives).
>
> 3550's use interface-based ASICs. 3560's use chassis-based ASICs.
>
> HTH,
>
> Scott
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Gregory Gombas
> Sent: Wednesday, November 07, 2007 10:04 AM
> To: Joseph Brunner
> Cc: Navid; Cisco certification
> Subject: Re: RSPAN makes trunk go down
>
> The reflector port is a limitation of the 3550 only, correct? The 3560's
> don't need a reflector port right?
>
> On Nov 7, 2007 8:36 AM, Joseph Brunner <joe@affirmedsystems.com> wrote:
> > The reflector port should NOT be the active trunk...
> >
> > If you choose a live port (any live port) it will be put down to use
> > its asic for the span copy operation.
> >
> > So you need to choose a port that is NOT being used for the reflector
> port.
> > I usually use goofy G0/1
> >
> > -Joe
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > Of Navid
> > Sent: Wednesday, November 07, 2007 8:13 AM
> > To: Cisco certification
> > Subject: RSPAN makes trunk go down
> >
> > Hi,
> >
> > I am trying to configure the lab RSPAN of IE vol1 part 1 page 163.
> >
> > Before configuring RSPAN, the trunk works :
> >
> > ccieSW1(config)#do sh int tru
> > Port Mode Encapsulation Status Native vlan
> > Fa0/13 desirable n-isl trunking 1
> >
> >
> > But as soon as I type the command "monitor session 1 destination
> > remote vlan 100 reflector-port FA0/13" on SW1 the "show int trunk"
> > becomes empty : no trunk anymore.
> >
> > Does anybody have a clue why it goes down ?
> >
> > Thanks,
> > Navid
> >
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