On 31 July 2013 13:37, Karl Pielorz <kpielorz_...@tdx.co.uk> 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). >
This is because select() has a limit on FD_SETSIZE (1024). If it tries to select > 1024 fds, bad things could happen. Newer ntpd (not in base) has a feature to bind only to the specific interface; this was used to run ntpd on boxes with > 1200 IPs on 1 i/face. > 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? > Unlikely, besides those unrelated things like ntpd+select() et.al. -- wbr, pluknet _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
