Steve Bertrand wrote:
> Can you please explain in a technical way how polling can benefit me
here in a dual-stacked situation? In all honesty, the last few months,
I've been seeing many mails to the lists saying 'polling' has caused
issues. (I'm not arguing, I'm just looking for reason ;)
I'm not saying you should use polling. I'm saying that not using polling
makes for more context switches. 64bit registers are twice as large as
32bit registers. There will be a bigger penalty on stack/memory usage
and therefore slower transitions from one context to another (read:
handling a packet).
This might be mitigated by having a very large cpu cache.
It may or may not make much of a difference considering stacks are
aligned, i was just theorizing.
But that could imply that you are going to do attempt active load
balancing on those two peer links. If so, you should be aware that such
load balancing must be done manually by some other method (pf? ng?)
No plan on load balancing. It's all based on 100% failover.
Thank you for the input, so if I ever do need to do load balancing, it
has been already planned in a manual configuration as you stated,
however via BGP. I'll break up my aggregate as an absolute LAST resort.
(Essentially, in regards to v4, I will NOT advertise anything smaller
than my allocated block...period).
Just curious: Is there a reason you can't advertise your entire
allocated block and receive two full feeds?
--
Sten Daniel Soersdal
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