[c-nsp] 6500: egress replication mix and match with non-forwarding line cards

[Ian Cox]

At 09:39 AM 3/29/2006 +0100, christian.macnevin at uk.bnpparibas.com wrote:

>er, I do take it ipv4 routing protocols etc are the exception?

Routing protocols are ok, but no user multicast streams ingress or 
egress. The customer this feature was done for has Multicast on 
WS-X6704 modules, and in some systems have OSM modules linking to the 
Internet that don't run multicast so wanted the efficiency of egress 
multicast on the WS-X6704 modules, while preserving the investment in 
OC48 interfaces to the Internet, where in this customer case they 
don't run multicast.


Ian





>Internet
>icox at cisco.com
>
>28/03/2006 18:45
>To
>Christian MACNEVIN
>cc
>cisco-nsp, tstevens
>Subject
>Re: [c-nsp] 6500: egress replication mix and match 
>with   non-forwarding line cards
>
>
>
>
>At 11:39 AM 3/28/2006 +0100, christian.macnevin at uk.bnpparibas.com wrote:
>
>   Cheers Ian! The caveats don't seem to bad here - just so long as 
> I'm not planning on using my 6816 ports as multicast-enabled
>interfaces, I should be safe.
>
>You can also not have multicast ingress on that card either. You are 
>allowed zero multicast on the card.
>
>
>Ian
>
>Cheers
>Christian
>
>
>
>
>Internet
>icox at cisco.com
>
>27/03/2006 19:49
>
>To
>
>tstevens, Christian MACNEVIN, cisco-nsp
>
>cc
>Subject
>
>Re: [c-nsp] 6500: egress replication mix and match 
>with  non-forwarding line cards
>
>
>
>
>
>There was a feature added in 12.2(18)SXF that allows one to force the
>system into egress mode, with the caveat that no multicast is sourced
>or egresses the non-egress capable card.  Please make sure you
>understand what you are doing if you use this feature.
>
><http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_guide_chapter09186a00804356a8.html#wp1076728>http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_guide_chapter09186a00804356a8.html#wp1076728 
>
>
>The Enhanced FlexWAN, 7600-SIP-200, 7600-SIP-400, 7600-SIP-600 are
>also egress capable.
>
>Ian
>
>
>At 09:13 AM 3/27/2006 -0800, Tim Stevenson wrote:
> >At 06:43 AM 3/27/2006, christian.macnevin at uk.bnpparibas.com quipped:
> > >Hello,
> > >
> > >I'm aware that egress multicast replication only works on the 6500 if all
> > >cards are capable. But what if one of the
> > >cards isn't capable, but also isn't forwarding multicast? does this step
> > >around the issue? or do all of my line cards
> > >need to be 67 series, even if they're not intended for multicast?
> >
> >They all need to be 67xx cards.
> >
> >Tim
> >
> >
> > >(I'm guessing yes...)
> > >
> > >Cheers
> > >Christian
> > >
> > >
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> >
> >Tim Stevenson, tstevens at cisco.com
> >Routing & Switching CCIE #5561
> >Technical Marketing Engineer, Catalyst 6500
> >Cisco Systems, <http://www.cisco.com/>http://www.cisco.com
> >IP Phone: 408-526-6759
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