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Posted by networkzman on June 25, 2008, 5:58 am
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Thanks for your suggestion..I was just trying with available free
ports to configure as a destination port as you said
" ASICs serve every 8 ports (1-8, 9-16, etc). " it seems to be the
same in 6509s as well...seleceted one port, while I was checking the
pvlan capability for the dest ports.. selected from 1-8 range and it
worked.
Thanks for your input!
>
>
>
>
>
> > Hello,
>
> > I am trying to configure SPAN on a cisco 6509 cat switch, we are
> > trying to configure ports based span, with three ports as source
> > (which are configured with pvlans) and a destination port on a normal
> > vlan.
> > When I issue a command:
>
> > set span 3/14,6/7 =A07/20 both inpkts disable learning enable multicast
> > enable create
>
> > I get the following error:
>
> > "Port with a Private Port in the same ASIC can't be made span
> > destination."
>
> > Please could you someone advise/ suggest as to where I am going worng.
>
> > Thanks in Advance
>
> Not sure what the exact issue is, but if you are using say 6148's,
> then ASICs serve every 8 ports (1-8, 9-16, etc). =A0This comes up a lot
> because on lower end blades (like 6148s), the asics are common
> bandwidth bottlenecks (as an example, a 6148 can only handle one gig
> of traffic per asic, so if two ports on the same asic try to push gig
> throughput, they will instead only get 500mbits each. =A0Anyway, the way
> around this is probably to set a span destination port that is not in
> the same asic as any of your source ports. =A0What is your destination
> port? =A0Your other option is of course to use VACLs. =A0I think you can
> do multiple VLANs to a single VACL, but been awhile since I tinkered
> with them.
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