Stacking lots of IP's on a single box - any 'gotchas'?

[Julian Elischer]

On 7/31/13 5:37 PM, Karl Pielorz wrote:
>
> Hi,
>
> We've got a number of boxes we'd like to consolidate - this could 
> mean upward of 1,500 IP's on a single box (9.1 amd64).
>
> Last time we did anything like this we hit at issue at around 900 
> (ntpd 'binds' by default to all available IP's - I think we had a 
> workaround for that).
>
> But is there any hard limit we're likely to encounter putting so 
> many IP's on a single machine? - Are there any limits that would 
> likely need tuning to support that many IP's?


all on one interface?
do you really need so many addresses?
what are you trying to achieve?
you can make a machine accept work for many addresses without actually 
assigning those addresses to any interface on the machine (see ipfw fwd)

>
> Thanks,
>
> -Karl
> _______________________________________________
> freebsd-hackers at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> To unsubscribe, send any mail to 
> "freebsd-hackers-unsubscribe at freebsd.org"
>