From: Scott Morris (smorris@ipexpert.com)
Date: Wed Nov 07 2007 - 14:32:25 ART
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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