From: Narbik Kocharians (narbikk@gmail.com)
Date: Tue Nov 18 2008 - 02:03:19 ARST
Scott,
You can do that on 3560s but on 3550s only one destination port is allowed
per SPAN or RSPAN.
On Mon, Nov 17, 2008 at 7:16 PM, Scott M Vermillion <
scott_ccie_list@it-ag.com> wrote:
> Holy cow do I ever need a good vacation! I thought your subject line asked
> how many destination ports there were in Spain! I was thinking of any
> number of beautiful marinas along the Costa Del Sol and the commercial
> ports
> at Algaciras and Barcelona, just for starters...
>
> I believe that everything is platform-dependent: how many active monitor
> sessions a given model will support; how many destination ports are able to
> be assigned to any one given monitor session; etc. In the case of my
> little
> 3560-8PCs, I can select one single source port and then assign every other
> port on the switch as a destination:
>
> SW1(config)#mon sess 1 source int fa0/1 both
> SW1(config)#mon sess 1 dest int fa0/2
> SW1(config)#mon sess 1 dest int fa0/3
> SW1(config)#mon sess 1 dest int fa0/4
> SW1(config)#mon sess 1 dest int fa0/5
> SW1(config)#mon sess 1 dest int fa0/6
> SW1(config)#mon sess 1 dest int fa0/7
> SW1(config)#mon sess 1 dest int fa0/8
> SW1(config)#mon sess 1 dest int gig0/1
> SW1(config)#do sh mon ess 1
> SW1(config)#end
> SW1#sh mon sess 1
>
> Session 1
> ---------
> Type : Local Session
> Source Ports :
> Both : Fa0/1
> Destination Ports : Fa0/2-8,Gi0/1
> Encapsulation : Native
> Ingress : Disabled
>
> I have no idea how current this document is, as I'm off to dinner and
> haven't read it very thoroughly (any time recently), but for what it's
> worth...
>
>
> http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note0918
> 6a008015c612.shtml
>
> And specifically from the above (as it would apply to the hardware listed
> for the R&S lab):
>
>
> http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note0918
> 6a008015c612.shtml#topic5
>
> What I can tell you is that I just did another quick test on one of my
> 3560s
> (I'd post from the CLI but something just this very moment went south in my
> lab and I'm not going to bother bringing it all back up tonight). It
> kicked
> an error when I tried to configure a third monitor session, so the document
> has at least some credence...
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of S
> Malik
> Sent: Monday, November 17, 2008 3:18 PM
> To: Cisco certification
> Subject: Number of destination ports in Span
>
> How many destination ports can we configure on a Cisco switches for SPAN?
>
>
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>
-- Narbik Kocharians CCSI#30832, CCIE# 12410 (R&S, SP, Security) www.MicronicsTraining www.Net-Workbooks.com Sr. Technical InstructorBlogs and organic groups at http://www.ccie.net
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