Re: Limit on simultaneous NAT sessions?

[Stephen Borrill <netbsd%precedence.co.uk@localhost>]

On Thu, 15 Oct 2015, Edgar Fuß wrote:
> Is there (other than availabe memory) any limit on the number of simultaneous
> sessions that ipnat(4) can handle? Anything configurable?

There's a limit on the size of the state table, but this may be related to 
"keep state" within ipf(4) rather than ipnat. I found they needed bumping 
on a reasonably busy server:

options         IPSTATE_SIZE=30011
options         IPSTATE_MAX=21011

--
Stephen