[c-nsp] Operational impact of switching from ingress to egress replication mode

[John Neiberger]

We're running 12.2(33)SRC2, I believe. It's actually experimental code
and the exact version is overwritten with another code.

On Tue, Sep 21, 2010 at 12:04 PM, Jeffrey Pazahanick <jeffpaz at gmail.com> wrote:
> John,
> Having switched back and forth a few times, I never noticed more than
> a 1-2 second outage.
> What version of code are you on?
>
> On Tue, Sep 21, 2010 at 11:59 AM, John Neiberger <jneiberger at gmail.com> wrote:
>> We're going to be doing a whole bunch of maintenance tonight during a
>> maintenance window. One of the many things on our plate is to switch
>> from ingress replication mode to egress on some 7600s that have a few
>> hundred multicast routes on them. We know there is going to be at
>> least a minor blip while things settle down after making the change,
>> but I wanted to see if anyone on the list has done this and what the
>> operational impact was. I've heard there will be slight interruption
>> in traffic, but what sort of interruption are we talking about? Are we
>> speaking about a second or two?
>>
>> I'm asking because we're trying to decide if we want to split this out
>> to another night. If the disruption is minor and the risk is low then
>> we'll do it tonight. Otherwise, we might choose to do it on a separate
>> night.
>>
>> Any thoughts?
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>