Re: cam timer tuning

Hmm, go back to the first (rather cryptic) message:

> whenever we bring up a new
> trunk link between Nexus 7K and 4948 we see unicast flooding caused due to
> TCN's.

So in this particular case, we (well, he) knows that a TC has happened,
and that it causes the flooding...

-Carlos

Marko Milivojevic @ 28/12/2012 19:48 -0300 dixit:
> TC and event correlation are not cause and effect. The issue is that a
> host went down and someone was still transmitting to it. And can do so
> for 4 more hours :-)
>
> --
> Marko Milivojevic - CCIE #18427 (SP R&S)
> Senior CCIE Instructor - IPexpert
>
> On Fri, Dec 28, 2012 at 1:43 PM, Carlos G Mendioroz <tron_at_huapi.ba.ar> wrote:
>> That won't cut this, because the event happens *when there is a TC*.
>> No way you will get ARP down to 15 seconds or so.
>> Nah, identify your silent destinations and ping them from the DG :)
>>
>> -Carlos
>>
>> Marko Milivojevic @ 28/12/2012 15:38 -0300 dixit:
>>>
>>> On Fri, Dec 28, 2012 at 10:05 AM, Joseph L. Brunner
>>> <joe_at_affirmedsystems.com> wrote:
>>>>
>>>> You should unify all timers at 600 seconds.
>>>>
>>>> That number is usually good to me.
>>>
>>>
>>> It's hard to change ARp timers in the entire domain. I was thinking
>>> more along the lines of dramatically increasing the aging timers in
>>> CAM tables to match the ARP :-)
>>>
>>> --
>>> Marko Milivojevic - CCIE #18427 (SP R&S)
>>> Senior CCIE Instructor - IPexpert
>>>
>>>
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>>
>> --
>> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
>>
>>
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>>
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net