On Thu, Feb 28, 2008 at 09:02:20PM +0700, Pongthep Kulkrisada wrote: > > You're not getting responses back from __any__ of those NTP servers. If > > you have a firewall *in front* of your BSD box (meaning a separate box, > > not ipfw/ipfilter/pf on the same BSD box!), then this is likely the > > cause of the problem. > The question is that two weeks ago, with same machine, same gateway, same NAT > and same firewall config, when I was on FreeBSD 6.2-RELEASE and behind NAT, I > could sync with ALL IPv6 servers (IPv4 is not functioning there) I said that > in my first post. > I'm pretty sure that if I went back to 6.2 even behind NAT, I could get sync > with IPv6. Long writing since my first post I shall summarize my events here > for better understanding, and sorry for redundancy. > 1. FreeBSD 5.4-RELEASE(dial up) - can sync all servers > 2. FreeBSD 6.2-RELEASE(dial up) - can sync all servers > 3. FreeBSD 6.2-RELEASE(NAT) - can sync IPv6 servers > 4. FreeBSD 6.3-STABLE (NAT) - not sync at all > The issue is the different result between 3. and 4. > It seems something different between 6.2-RELEASE and 6.3-STABLE. > But today I hear good news for issuance of 7.0-RELEASE. > I shall go on with the new RELEASE. > My bad news is I've just updated to 6.3 for 2 weeks. :-(
Okay, so this really sounds like something that changed between 6.2 and 6.3. I don't know what kind of NAT you're using; I believe FreeBSD offers a couple different methods. More information is required... 1) What NAT method are you using (ipfw, ipnat, etc.) 2) What does your network topology look like (draw a diagram, referring to each NIC/ethernet device, IPs, and so on) 3) Please post your NAT rules 4) Have you checked /usr/src/UPDATING for relevant changes? Someone else will have to help you from this point on, because I am not familiar with present-day NAT configuration/usage on FreeBSD. But again: on fxp0, you're seeing outbound NTP queries, but you never get responses on fxp0. Something somewhere is blocking that traffic. One final question: > I'm not using BSD box as a router. Then I'm not sure why you're using NAT on the box at all? -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
