[ntp:questions] ntpq -p command query

Charles Swiger cswiger at mac.com
Wed Jul 31 19:22:05 UTC 2013


On Jul 31, 2013, at 10:36 AM, Rick Jones <rick.jones2 at hp.com> wrote:
> Charles Swiger <cswiger at mac.com> wrote:
>> If you have a small # of machines per collision domain, then
>> broadcasting frequently probably won't matter.  If you've got
>> thousands or tens of thousands of machines to deal with, and need to
>> pay attention to the MAC table sizes of your various switches and
>> routers, then excessive broadcast traffic is a much more significant
>> concern.
> 
> We are talking about the server broadcasting right?

Yes.

> Issues of filling the forwarding (what I think you are calling the MAC) table
> on a switch is a matter of how many unique source MAC addresses the switch
> sees, not how many broadcasts a server sends no?

Also yes.  :-)  Folks with lots of unique source addresses in a collision domain
tend to pay attention to frequent broadcast-to-all traffic.

Regards,
-- 
-Chuck



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