[c-nsp] Cisco 7600/SUP720-3BXL SRD -> SRE => Egress -> Ingress Multicast Replication Mode

John Neiberger jneiberger at gmail.com
Wed Aug 8 10:14:24 EDT 2012

On Wed, Aug 8, 2012 at 5:30 AM, Emanuel Popa <emanuel.popa at gmail.com> wrote:
> After opening a SR for the issue below, Cisco TAC called to tell us
> that SRE defaults to ingress replication without giving us any solid
> reason for it. Also the TAC engineer clearly stated that we will see
> no big difference between ingress and egress replication mode. He also
> advised that if we really want to switch to egress replication it
> would be better to do it inside a maintenance window. All of this on
> the phone and nothing appears within the Service Request tool.

What linecards do you have? If you're doing multicast, the linecard
type is important. In many cases there can be a HUGE difference
between ingress and egress replication mode.


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